CN100531025C - Optronic multiplex interface state indicating device and method and its inferface - Google Patents
Optronic multiplex interface state indicating device and method and its inferface Download PDFInfo
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- CN100531025C CN100531025C CNB2005101318440A CN200510131844A CN100531025C CN 100531025 C CN100531025 C CN 100531025C CN B2005101318440 A CNB2005101318440 A CN B2005101318440A CN 200510131844 A CN200510131844 A CN 200510131844A CN 100531025 C CN100531025 C CN 100531025C
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Abstract
The present invention discloses a status indication device of an optoelectronic multiplex interface, which comprises a switching control module, a first status indicator and a second status indicator, wherein the first status indicator and the second status indicator are used for indicating an electric user port and an optical user port of an optoelectronic multiplex interface chip; the switching control module controls the first status indicator to the second status indicator to output status indication signals according to the connection status of the electric user port and the optical user port of the optoelectronic multiplex interface chip. The present invention also discloses a status indication method with the devices for an optoelectronic multiplex interface and the optoelectronic multiplex interface with the indication device. Because the present invention is used, the optoelectronic multiplex interface can accurately indicate the present status that the electric user port is effective or the optical user port is effective in various connection statuses. The structure and the method which are realized are simple, the resource of logic devices can be saved; the developing progress can be accelerated, and the developing cost is reduced.
Description
Technical field
The present invention relates to the photoelectric multiplexing technology in the communications field, particularly a kind of state indicating device of photoelectric multiplexing interface and state indication method and interface thereof.
Background technology
Usually use gigabit photoelectric multiplexing interface chip to realize the multiplexing of electric user port and light user port on the gigabit ethernet switch.A gigabit photoelectric multiplexing interface chip can be supported a plurality of multiplex interfaces, and each multiplex interface has connected an electric user port (network interface) and a light user port (optical module), and a multiplex interface can only have a user port effective during work.For example: the electric user port of a multiplex interface is effective, and then this light user port of multiplexing mouthful is invalid.At present, LED is not set on the light user port, the state of a multiplex interface can only be indicated by the LED that is arranged on electric user port.
Referring to Fig. 1, Fig. 1 is the rough schematic view of the structure and the annexation of photoelectric multiplexing interface in the prior art.Only show a multiplex interface of a gigabit photoelectric multiplexing interface chip among Fig. 1.Wherein, when having only electric user port 102 with the outside to be arranged when connection, gigabit photoelectric multiplexing interface chip 101 will have the port status of the electric user port of connection to be notified to the main control module 100 of switch; Main control module 100 sends the LED control signal according to port status to gigabit photoelectric multiplexing interface chip 101; Gigabit photoelectric multiplexing interface chip 101 sends the some modulating signal according to the anode of this signal LED in this electricity user port 102, and the negativing ending grounding of the LED of control user port 102, to light this LED.When having only light user port 103 to be arranged when connection,, therefore can't indicate current Interface status owing on the light user port 103 LED is not set with the outside.When electric user port 102 has when connection with the outside respectively with light user port 103, the whichever port is effective port, and the LED of electric user port 102 can light, and in this case, can't correctly indicate which user port effective.
In a word, in the prior art, having only the light user port to have to connect or all having under the situation about being connected at electric user port and light user port, can't correctly indicate current be electric user port effectively or the light user port effective.
Summary of the invention
In view of this, first main purpose of the present invention is to provide a kind of state indicating device of photoelectric multiplexing interface, photoelectric multiplexing interface that make to use this device under various connection status, can both correctly indicate current be electric user port effectively or the light user port effective.
Second main purpose of the present invention is to provide a kind of state indication method of photoelectric multiplexing interface, uses this method, can make the photoelectric multiplexing interface under various connection status, all correct indication is current be electric user port effectively or the light user port effective.
The 3rd main purpose of the present invention is to provide a kind of photoelectric multiplexing interface, this interface under various connection status, can both correctly indicate current be electric user port effectively or the light user port effective.
Be first aspect that achieves the above object, the invention provides a kind of state indicating device of photoelectric multiplexing interface, comprise switch control module, and first positioning indicator and being used to that is used to indicate the state of photoelectric multiplexing interface chip electricity user port is indicated second positioning indicator of the state of photoelectric multiplexing interface chip light user port; Described switch control module is controlled described first positioning indicator or the second positioning indicator output state index signal according to the connection status of photoelectric multiplexing interface chip electricity user port and light user port.
Wherein, described switch control module can comprise main control unit and controllable switch unit;
Described main control unit receives the electric user port of photoelectric multiplexing interface chip output and the connection status signal of light user port, produces control signal according to this signal and sends to controllable switch unit;
Described controllable switch unit receives the control signal that main control unit sends, and the control signal that produces first positioning indicator or second positioning indicator sends to first positioning indicator or second positioning indicator;
Described first positioning indicator or second positioning indicator are according to the control signal output state index signal of controllable switch unit output.
Described main control unit can comprise governor circuit and logic control circuit;
Described governor circuit receives the electric user port of photoelectric multiplexing interface chip output and the connection status signal of light user port, and output validated user port index signal is given logic control circuit;
Described logic control circuit generates control signal and sends to controllable switch unit according to described validated user port index signal.
Described controllable switch unit can comprise the first gate-controlled switch device and the second gate-controlled switch device;
The described first gate-controlled switch device links to each other respectively with logic control circuit with first positioning indicator, and the second gate-controlled switch device links to each other respectively with logic control circuit with second positioning indicator;
Described logic control circuit generates the useful signal of the first gate-controlled switch device or the second gate-controlled switch device according to described validated user port index signal, sends to the first gate-controlled switch device or the second gate-controlled switch device that link to each other with the validated user port;
The described first gate-controlled switch device or the second gate-controlled switch device generate the first positioning indicator control signal or the second positioning indicator control signal according to the useful signal of logic control circuit output, export to first positioning indicator or second positioning indicator.
Described first positioning indicator can be for being arranged on first indicator light of electric user port, and described second positioning indicator can be for being arranged on second indicator light of light user port; The first gate-controlled switch device can be first digit driver, and the described second gate-controlled switch device can be second digit driver;
Described governor circuit further exports lamp anode control signal and lamp negative terminal control signal is given the photoelectric multiplexing interface chip;
Described photoelectric multiplexing interface chip generates the input that the some modulating signal is exported to first digit driver and second digit driver respectively according to lamp anode control signal; And, generate the negative terminal that the negative terminal low level signal is exported to second indicator light on the negative terminal of first indicator light on the electric user port and the light user port respectively according to lamp negative terminal control signal;
The control end of described first digit driver or second digit driver receives the useful signal of described logic control circuit output, whether effective according to the some modulating signal and the control end signal that receive, the output point modulating signal is given the anode of first indicator light on the electric user port; Whether described second digit driver is effective according to the some modulating signal and the control end signal that receive, and the output point modulating signal is given the anode of second indicator light on the light user port;
Second indicator light on first indicator light and the light user port on the described electric user port, whether effective according to anode separately and negative terminal signal respectively, bright lamp or turn off the light.
Described first indicator light is identical with second indicator light, and each indicator light can comprise the LED lamp of two colors;
Two lamp negative terminal control signals that described photoelectric multiplexing interface chip sends according to governor circuit, generate two negative terminal low level signals, first via negative terminal low level signal is exported to first look LED lamp negative terminal of first indicator light and the first look LED lamp negative terminal of second indicator light, and the second road negative terminal low level signal is exported to second look LED lamp negative terminal of first indicator light and the second look LED lamp negative terminal of second indicator light;
The anode of the LED lamp of two colors in first indicator light receives the some modulating signal of the output of first digit driver respectively; The anode of the LED lamp of two colors in second indicator light receives the some modulating signal that second digit driver is exported respectively;
The LED lamp of two colors in described first indicator light and second indicator light, whether effective according to anode separately and negative terminal signal respectively, bright lamp or turn off the light.
Described first positioning indicator can be for being arranged on first indicator light of electric user port, and described second positioning indicator can be for being arranged on second indicator light of light user port; The first gate-controlled switch device can be first digit driver, and the described second gate-controlled switch device can be second digit driver;
Described governor circuit further exports lamp anode control signal and two lamp negative terminal control signals are given the photoelectric multiplexing interface chip;
Described photoelectric multiplexing interface chip is according to lamp anode control signal, generates the anode that the some modulating signal is exported to second indicator light on the anode of first indicator light on the user port and the light user port respectively; And, generate the negative terminal low level signal respectively and load output respectively to first digit driver and second digit driver according to two lamp negative terminal control signals;
The control end of described first digit driver or second digit driver receives the useful signal of described logic control circuit output, whether effective according to the negative terminal low level signal and the control end signal that load, output negative terminal low level signal is given the negative terminal of first indicator light on the electric user port; Whether described second digit driver is effective according to the negative terminal low level signal and the control end signal that load, and output negative terminal low level signal is given the negative terminal of second indicator light on the light user port;
Second indicator light on first indicator light and the light user port on the described electric user port, whether effective according to anode separately and negative terminal signal respectively, bright lamp or turn off the light.
Described first indicator light is identical with second indicator light, and each indicator light can comprise the LED lamp of two colors; The first gate-controlled switch device comprises two first digit drivers, and the described second gate-controlled switch device comprises two second digit drivers;
Four lamp negative terminal control signals that described photoelectric multiplexing interface chip sends according to governor circuit, generate four negative terminal low level signals and load output respectively to two first digit drivers and two second digit drivers, and, generate the some modulating signal and export to two LED lamp anodes of first indicator light and two LED lamp anodes of second indicator light respectively according to the lamp anode control signal that governor circuit sends;
The output of described two first digit drivers has loaded the two-way negative terminal low level signal that the photoelectric multiplexing interface chip generates respectively; The input of two first digit drivers links to each other with dichromatism LED lamp two negative terminals of first indicator light respectively; The control end of two first digit drivers links to each other with logic control circuit respectively, receives the useful signal of its output;
The output of described two second digit drivers loads the two-way negative terminal low level signal in addition that the photoelectric multiplexing interface chip generates respectively, the input of two second digit drivers links to each other with dichromatism LED lamp two negative terminals of second indicator light respectively, the control end of two second digit drivers links to each other with logic control circuit respectively, receives the useful signal of its output.
Described logic control circuit can comprise decoding logic and latch; Described decoding logic links to each other with governor circuit by address wire;
Described decoding logic receives the address information that described governor circuit sends, decipher, output validated user port address is given latch, latch generates the first or second digit driver useful signal that links to each other with the validated user port according to this address, exports to the control end of first or second digit driver.
Be second aspect that achieves the above object, the invention provides a kind of state indication method of photoelectric multiplexing interface, adopt above-mentioned state indicating device, its state indication process may further comprise the steps:
A, photoelectric multiplexing interface chip send the connection status signal of electric user port and light user port to switch control module;
B, switch control module are controlled described first positioning indicator or the second positioning indicator output state index signal according to the connection status that steps A receives.
Wherein, described switch control module can comprise governor circuit, logic control circuit and controllable switch unit; Described step B comprises:
B1, governor circuit receive the electric user port of photoelectric multiplexing interface chip output and the connection status signal of light user port, and the validated user port index signal of output is given logic control circuit;
B2, logic control circuit generate useful signal and send to controllable switch unit according to described validated user port index signal;
The useful signal that B3, controllable switch unit receive logic control circuit send, the control signal that produces first positioning indicator or second positioning indicator sends to first positioning indicator or second positioning indicator;
B4, first positioning indicator or second positioning indicator are according to the control signal output state index signal of controllable switch unit output.
Described first positioning indicator can be for being arranged on first indicator light of electric user port, and described second positioning indicator can be for being arranged on second indicator light of light user port; Described controllable switch unit can comprise first digit driver and second digit driver;
Among the described step B1, governor circuit further exports lamp anode control signal and lamp negative terminal control signal is given the photoelectric multiplexing interface chip; The photoelectric multiplexing interface chip generates the input that the some modulating signal is exported to first digit driver and second digit driver respectively according to lamp anode control signal; And, generate the negative terminal that the negative terminal low level signal is exported to second indicator light on the negative terminal of first indicator light on the electric user port and the light user port respectively according to lamp negative terminal control signal;
Among the described step B2, the useful signal of logic control circuit output sends to the control end of first digit driver or second digit driver;
Among the described step B3, whether first digit driver or second digit driver be effective according to the some modulating signal and the control end signal that receive, and the output point modulating signal is given the anode of first indicator light on the electric user port; Whether described second digit driver is effective according to the some modulating signal and the control end signal that receive, and the output point modulating signal is given the anode of second indicator light on the light user port;
Described step B4 is: second indicator light on first indicator light and the light user port on the electric user port, and whether effective according to anode separately and negative terminal signal respectively, bright lamp or turn off the light.
Described first positioning indicator can be for being arranged on first indicator light of electric user port, and described second positioning indicator can be for being arranged on second indicator light of light user port; Described controllable switch unit can comprise first digit driver and second digit driver;
Among the described step B1, governor circuit further exports lamp anode control signal and two lamp negative terminal control signals are given the photoelectric multiplexing interface chip; Described photoelectric multiplexing interface chip is according to lamp anode control signal, generates the anode that the some modulating signal is exported to second indicator light on the anode of first indicator light on the user port and the light user port respectively; And, generate the negative terminal low level signal respectively and load output respectively to first digit driver and second digit driver according to two lamp negative terminal control signals;
Among the described step B2, the useful signal of logic control circuit output sends to the control end of first digit driver or second digit driver;
Among the described step B3, whether first digit driver or second digit driver be effective according to the negative terminal low level signal and the control end signal that load, and output negative terminal low level signal is given the negative terminal of first indicator light on the electric user port; Whether described second digit driver is effective according to the negative terminal low level signal and the control end signal that load, and output negative terminal low level signal is given the negative terminal of second indicator light on the light user port;
Described step B4 is: second indicator light on first indicator light and the light user port on the electric user port, and whether effective according to anode separately and negative terminal signal respectively, bright lamp or turn off the light.
Be the 3rd aspect that achieves the above object, the invention provides a kind of photoelectric multiplexing interface, comprise photoelectric multiplexing interface chip, electric user port and light user port, described photoelectric multiplexing interface chip links to each other with the external piloting control circuit, the electricity user port links to each other with the photoelectric multiplexing interface chip respectively with the light user port, it is characterized in that: first positioning indicator and second positioning indicator, logic control circuit and the controllable switch unit that also comprise the state that is used to indicate described electric user port and light user port;
Described governor circuit receives the electric user port of photoelectric multiplexing interface chip output and the connection status signal of light user port, and output validated user port index signal is given logic control circuit;
Described logic control circuit generates control signal and sends to controllable switch unit according to described validated user port index signal;
The control signal that described controllable switch unit receive logic control circuit sends, the control signal that produces first positioning indicator or second positioning indicator sends to first positioning indicator or second positioning indicator;
Described first positioning indicator or second positioning indicator are according to the control signal output state index signal of controllable switch unit output.
This photoelectric multiplexing interface can comprise the light user port of a photoelectric multiplexing interface chip, four electric user ports and four correspondences; Four corresponding four first positioning indicators of electric user port, four corresponding four second positioning indicators of light user port; Described controllable switch unit comprises four first gate-controlled switch devices and four second gate-controlled switch devices;
Described governor circuit receives four the electric user ports of photoelectric multiplexing interface chip output and the connection status signal of four light user ports, and output validated user port index signal is given logic control circuit;
Described logic control circuit generates control signal and sends to four first gate-controlled switch devices and four second gate-controlled switch devices according to described validated user port index signal;
Four the first validated user port index signals that gate-controlled switch device receive logic control circuit sends, the control signal that produces first positioning indicator sends to one first positioning indicator of effective electric user port correspondence; Four the second validated user port index signals that gate-controlled switch device receive logic control circuit sends, the control signal that produces second positioning indicator sends to one second positioning indicator of effective light user port correspondence;
Described first positioning indicator is according to the control signal output state index signal of first gate-controlled switch device output; Described second positioning indicator is according to the control signal output state index signal of second gate-controlled switch device output.
As seen from the above technical solutions, the state indicating device of this photoelectric multiplexing interface of the present invention and state indication method and interface thereof, by the state of a switch control module according to each user port of photoelectric multiplexing interface chip, control is used to indicate first positioning indicator of electric user port state and second positioning indicator of user's pilot light user port state respectively.
Because the present invention is the state of switch control module according to each user port of photoelectric multiplexing interface chip, difference state of a control indicating device, the different user port is indicated by the different indicating device of correspondence respectively.Therefore, use photoelectric multiplexing interface of the present invention under various connection status, can both correctly indicate current be electric user port effectively or the light user port effective, and the structure and the method that realize are all very simple, the resource of logical device can be saved, and development progress, reduction development cost can be accelerated.
Description of drawings
Fig. 1 is the rough schematic view of the structure and the annexation of photoelectric multiplexing interface in the prior art;
Fig. 2 is the structure of photoelectric multiplexing interface in the present invention's first preferred embodiment and the rough schematic view of annexation;
Fig. 3 is the realization flow figure of middle photoelectric multiplexing Interface status indication embodiment illustrated in fig. 2;
Fig. 4 is the structure of photoelectric multiplexing interface in the present invention's second preferred embodiment and the rough schematic view of annexation;
Fig. 5 is the realization flow figure of middle photoelectric multiplexing Interface status indication embodiment illustrated in fig. 4;
Fig. 6 is the structure of photoelectric multiplexing interface in the present invention's the 3rd preferred embodiment and the rough schematic view of annexation;
Fig. 7 is the structure of photoelectric multiplexing interface in the present invention's the 4th preferred embodiment and the rough schematic view of annexation.
Embodiment
For making purpose of the present invention, technical scheme and advantage clearer, below with reference to accompanying drawing two preferred embodiments that develop simultaneously, the present invention is described in more detail.
The state indicating device of this photoelectric multiplexing interface of the present invention and state indication method and interface thereof, by the state of a switch control module according to each user port of photoelectric multiplexing interface chip, control is used to indicate first positioning indicator of electric user port state and second positioning indicator of user's pilot light user port state to realize respectively.
Referring to Fig. 2, Fig. 2 is the structure of photoelectric multiplexing interface in the present invention's first preferred embodiment and the rough schematic view of annexation.The photoelectric multiplexing interface of present embodiment comprises gigabit photoelectric multiplexing interface chip 201, comprise the electric user port 202 of first indicator light and comprise the light user port 203 of second indicator light, logic control circuit 230, the first digit driver 210BUFFER GATE identical with electric user port quantity are with second digit driver 220 identical with light user port quantity.
Wherein, gigabit photoelectric multiplexing interface chip 201 links to each other respectively with the input of the external piloting control circuit 200 and first digit driver 210, the input of second digit driver 220, the first indicator light negative terminal of electric user port 202, the second indicator light negative terminal of light user port 203.The input of logic control circuit 230 links to each other with external piloting control circuit 200, and the control end of its output and first digit driver 210, the control end of second digit driver 220 link to each other respectively.The output of first digit driver 210 links to each other with the anode of first indicator light of electric user port 202; The output of second digit driver 220 links to each other with the anode of second indicator light of light user port 203.First indicator light in the present embodiment and second indicator light only comprise a LED lamp respectively.
Specifically, gigabit photoelectric multiplexing interface chip 201 is to governor circuit 200 output port status signals, and the LED anode control signal and the LED negative terminal control signal of 200 transmissions of reception governor circuit; According to LED anode control signal, generate the input that the some modulating signal is exported to first digit driver 210 and second digit driver 220 respectively; And, generate the negative terminal that the negative terminal low level signal is exported to second indicator light on the negative terminal of first indicator light on the electric user port 202 and the light user port 203 respectively according to LED negative terminal control signal.
Whether first digit driver 210 is effective according to the some modulating signal and the control end signal that receive, and the output point modulating signal is given the anode of first indicator light on the electric user port 202; Whether second digit driver 220 is effective according to the some modulating signal and the control end signal that receive, and the output point modulating signal is given the anode of second indicator light on the light user port 203.
Second indicator light on first indicator light and the light user port 203 on the electricity user port 202, respectively according to whether anode and negative terminal signal be effective separately, bright lamp or turn off the light.
As shown in Figure 2, first digit driver 210 is identical with second digit driver 220, comprises a not gate and a triple gate respectively.The control signal of latch 232 outputs of not gate receive logic control circuit 230 will be exported to the control end of triple gate after its negate; Whether the input of triple gate receives the some modulating signal that gigabit photoelectric multiplexing interface chip 201 sends, effective according to the some modulating signal and the control end signal that receive, and the output point modulating signal is given electric user port 202 or light user port 203.
Among Fig. 2, comprise an electric user port and a light user port is an example with a photoelectric multiplexing interface.Actual photoelectric multiplexing interface can comprise a plurality of electric user ports and a plurality of smooth user port.
For example: the photoelectric multiplexing interface can comprise the light user port 203 of four electric user ports 202 and four correspondences, four first digit drivers 210, four second digit drivers 220.
In this case, gigabit photoelectric multiplexing interface chip 201 is to governor circuit 200 four electric user ports of output and four light user port status signals, and four lamp anode control signals and four lamp negative terminal control signals of 200 transmissions of reception governor circuit; According to lamp anode control signal, generate the input that four some modulating signals are exported to four first digit drivers 210 and second digit driver 220 respectively; And, generate the negative terminal that four negative terminal low level signals are exported to second indicator light on the negative terminal of first indicator light on four electric user ports 202 and four the light user ports 203 respectively according to four lamp negative terminal control signals.
As seen from Figure 2, by the cooperating between external control circuit 200, first indicator light that is arranged on electric user port 202, second indicator light that is arranged on light user port 203, logic control circuit 230, the first digit driver 210BUFFER GATE identical and second digit driver identical, can realize the state indication of photoelectric multiplexing interface with light user port 220 quantity with electric user port quantity.Wherein, outside governor circuit 200, the main control unit that logic control circuit 203 has constituted state indicating device, first digit driver and second digit driver have constituted controllable switch unit, main control unit and controllable switch unit have constituted switch control module, first indicator light of electricity user port 202 is first positioning indicator, and second indicator light that is arranged on light user port 203 is second positioning indicator.Generally speaking, by the connection status of switch control module according to photoelectric multiplexing interface chip electricity user port and light user port, control described first positioning indicator or the second positioning indicator output state index signal, realized the indication of user port state, therefore, the control circuit among Fig. 2 200, first indicator light, second indicator light, logic control circuit 230, first digit driver 210 and second digit driver have constituted the state indicating device of a photoelectric multiplexing interface.
Adopt the state indicating device of present embodiment photoelectric multiplexing interface, the flow process of carrying out the state indication is referring to Fig. 3, and Fig. 3 is the realization flow figure of middle photoelectric multiplexing Interface status indication embodiment illustrated in fig. 2.This flow process may further comprise the steps:
Step 301, governor circuit is according to the port status signal of gigabit photoelectric multiplexing interface chip output, generate lamp anode control signal and lamp negative terminal control signal and export to gigabit photoelectric multiplexing interface chip, and send validated user port index signal to logic control circuit according to port status and work at present pattern.
Step 302, gigabit photoelectric multiplexing interface chip generate the input that the some modulating signal is exported to first digit driver and second digit driver respectively according to lamp anode control signal; And, generate the negative terminal that the negative terminal low level signal is exported to second indicator light on the negative terminal of first indicator light on the electric user port and the light user port respectively according to lamp negative terminal control signal.
Step 303, logic control circuit generate the first or second digit driver useful signal that links to each other with the validated user port according to the validated user port index signal of governor circuit output, export to the control end of first or second digit driver.
Step 304, whether first digit driver is effective according to the some modulating signal and the control end signal that receive, and the output point modulating signal is given the anode of first indicator light on the electric user port; Whether second digit driver is effective according to the some modulating signal and the control end signal that receive, and the output point modulating signal is given the anode of second indicator light on the light user port.
Step 305, second indicator light on first indicator light and the light user port on the electric user port, whether effective according to anode separately and negative terminal signal respectively, bright lamp or turn off the light.
For example: suppose current for electric user port 202 effective, then governor circuit 200 control gigabit photoelectric multiplexing interface chips 201 go out the available point modulating signal and give first, second digit driver, and send the negative terminal 203 of negative terminal low level signal to the LED of the LED of electric user port 202 and light user port.Simultaneously, governor circuit 200 sends address information to logic control circuit 230, indicates electric user port effective, and logic control circuit 230 is according to address information, to the control end transmission useful signal of first digit driver 210.Like this, 210 conductings of first digit driver are exported to the anode of LED on the electric user port 202 with the some modulating signal of input.At this moment, the LED anode and the negative terminal of electric user port 202 all have useful signal, this LED conducting, and bright lamp indicates current electric user port 202 effective; The LED anode of light user port 203 does not have useful signal, though negative terminal has useful signal, this LED still ends, and light on and off indicate current smooth user port 203 invalid.
Referring to Fig. 4, Fig. 4 is the structure of photoelectric multiplexing interface in the present invention's second preferred embodiment and the rough schematic view of annexation.The photoelectric multiplexing interface of present embodiment comprises gigabit photoelectric multiplexing interface chip 201, comprise the electric user port 202 of first indicator light and comprise the light user port 203 of second indicator light, logic control circuit 230, the first digit driver 210BUFFER GATE identical with electric user port quantity are with second digit driver 220 identical with light user port quantity.
Wherein, gigabit photoelectric multiplexing interface chip 201 links to each other respectively with the output of the external piloting control circuit 200 and first digit driver 210, the output of second digit driver 220, the first indicator light anode of electric user port 202, the second indicator light anode of light user port 203.The input of logic control circuit 230 links to each other with external piloting control circuit 200, and the control end of its output and first digit driver 210, the control end of second digit driver 220 link to each other respectively.The input of first digit driver 210 links to each other with the negative terminal of first indicator light of electric user port 202; The input of second digit driver 220 links to each other with the negative terminal of second indicator light of light user port 203.First indicator light in the present embodiment and second indicator light only comprise a LED lamp respectively.
Specifically, gigabit photoelectric multiplexing interface chip 201 is to governor circuit 200 output port status signals, and the LED anode control signal and the LED negative terminal control signal of 200 transmissions of reception governor circuit; According to LED anode control signal, generate the anode that the some modulating signal is exported to second indicator light on the anode of first indicator light on the electric user port 202 and the light user port 203 respectively; And, generate the output that two negative terminal low level signals are exported to first digit driver 210 and second digit driver 220 respectively according to LED negative terminal control signal.
Whether first digit driver 210 is effective according to the some modulating signal and the control end signal that receive, and output negative terminal low level signal is given the negative terminal of first indicator light on the electric user port 202; Whether second digit driver 220 is effective according to the negative terminal low level signal and the control end signal that receive, and output negative terminal low level signal is given the negative terminal of second indicator light on the light user port 203.
Second indicator light on first indicator light and the light user port 203 on the electricity user port 202, respectively according to whether anode and negative terminal signal be effective separately, bright lamp or turn off the light.
Adopt the state indicating device of present embodiment photoelectric multiplexing interface, the flow process of carrying out the state indication is referring to Fig. 5, and Fig. 5 is the realization flow figure of middle photoelectric multiplexing Interface status indication embodiment illustrated in fig. 4.This flow process may further comprise the steps:
Step 501, governor circuit is according to the port status signal of optic electric interface chip output, generate lamp anode control signal and lamp negative terminal control signal and export to the optic electric interface chip, and send validated user port index signal to logic control circuit according to port status and work at present pattern.
Step 502, optic electric interface chip be according to lamp anode control signal, generates the anode that the some modulating signal is exported to second indicator light on the anode of first indicator light on the electric user port and the light user port respectively; And, generate the output that the negative terminal low level signal is exported to first digit driver and second digit driver respectively according to lamp negative terminal control signal.
Step 503, logic control circuit generate the first or second digit driver useful signal that links to each other with the validated user port according to the validated user port index signal of governor circuit output, export to the control end of first or second digit driver.
Step 504, whether first digit driver is effective according to the negative terminal low level signal and the control end signal that receive, and output negative terminal low level signal is given the negative terminal of first indicator light on the electric user port; Whether second digit driver is effective according to the negative terminal low level signal and the control end signal that receive, and output negative terminal level signal is given the negative terminal of second indicator light on the light user port.
Step 505, second indicator light on first indicator light and the light user port on the electric user port, whether effective according to anode separately and negative terminal signal respectively, bright lamp or turn off the light.
Photoelectric multiplexing interface in the present embodiment can comprise the light user port 203 of four electric user ports 202 and four correspondences, four first digit drivers 210, four second digit drivers 220 equally.
In the practical application, can two color lamps of planting be set at electric user port and light user port, except indicating which user port effective, can also further indicate the validated user port current by the normal bright or flashing lamp state of control bi-colour light be to be in multiple operating states such as connection (LINK), transfer of data.
Referring to Fig. 6, Fig. 6 is the structure of photoelectric multiplexing interface in the present invention's the 3rd preferred embodiment and the rough schematic view of annexation.As shown in Figure 6, present embodiment and embodiment illustrated in fig. 2 basic identical, just the indicator light in the port 203 that electric user port 202 and light are used is a bi-colour light, and two negative terminals of bi-colour light provide two ground connection control ends to link to each other respectively with gigabit photoelectric multiplexing interface chip 201.
Specifically, two lamp negative terminal control signals that gigabit photoelectric multiplexing interface chip 201 sends according to governor circuit 200, generate two negative terminal low level signals, first via negative terminal low level signal is exported to first look LED lamp negative terminal of electric user port 202 and the first look LED lamp negative terminal of light user port 203, and the second road negative terminal low level signal is exported to second look LED lamp negative terminal of electric user port 202 and the second look LED lamp negative terminal of light user port 203.
The anode of LED lamp of two colors of electricity user port 202 receives the some modulating signal of the output of first digit driver 210 respectively; The anode of the LED lamp of two colors of light user port 203 receives the some modulating signal that second digit driver 220 is exported respectively;
The LED lamp of two colors of electricity user port 202 and light user port 203, respectively according to whether anode and negative terminal signal be effective separately, bright lamp or turn off the light.
In the present embodiment, governor circuit 200 can be further according to the operating state of current effective port, send two lamp negative terminal control signals to the photoelectric multiplexing interface chip, control states such as the normal bright or flicker of the LED lamp of two colors of effective port, indicating the validated user port current is to be in multiple operating states such as connection (LINK), transfer of data.
For example: the LED that adopts green and yellow two colors.Suppose that current smooth user port is effective, and be in the LINK state, then the green light Chang Liang of light user port; If this light user port not only effectively but also transmits data with gigabit speed, the then green light of light user port flicker; If this light user port is not only effectively but also with the 10M/100M speed transmission data, the then amber light of light user port flicker.Certainly, governor circuit 200 can also be indicated the message transmission rate of validated user port by the multiple combination flicker pattern of control dual-colored LED, specifically can make up according to actual needs, provides no longer one by one here.
Among Fig. 6, also be to comprise an electric user port and a light user port is an example with a photoelectric multiplexing interface.Same, actual photoelectric multiplexing interface can comprise a plurality of electric user ports and a plurality of smooth user port, the concrete course of work and embodiment illustrated in fig. 2 basic identical, and just gigabit photoelectric multiplexing interface chip will be controlled two negative terminals of bi-colour light.
Referring to Fig. 7, Fig. 7 is the structure of photoelectric multiplexing interface in the present invention's the 4th preferred embodiment and the rough schematic view of annexation.As shown in Figure 7, present embodiment is to improve on the basis embodiment illustrated in fig. 4: the indicator light in the port 203 that electric user port 202 and light are used is a bi-colour light, and two anodes of bi-colour light link to each other respectively with two control ends of lighting a lamp that gigabit photoelectric multiplexing interface chip 201 provides, and adopt two negative terminals of bicolored light on 210 pairs of electric user ports 202 of 2 first digit drivers to control respectively simultaneously; Adopt two negative terminals of bicolored light on 220 pairs of light user ports 203 of 2 second digit drivers to control respectively.
Specifically, four lamp negative terminal control signals that photoelectric multiplexing interface chip 201 sends according to governor circuit 200, generate four negative terminal low level signals and export to the output of two first digit drivers 210 and two second digit drivers 220 respectively, and, generate a some modulating signal and export on the electric user port 202 two LED lamp anodes on two LED lamp anodes and the light user port respectively according to the lamp anode control signal that governor circuit 200 sends.
The output of two first digit drivers 210 receives the two-way negative terminal low level signal of photoelectric multiplexing interface chip 201 outputs respectively; The input of two first digit drivers 210 links to each other with dichromatism LED lamp two negative terminals on the electric user port 202 respectively; The control end of two first digit drivers 210 links to each other with latch 232 in the logic control circuit 230 respectively, receives the useful signal of its output.Whether two first digit drivers 210 are effective according to negative terminal low level signal and control end signal respectively, the negative terminal low level signal exported to the negative terminal of a LED in the dichromatism LED lamp.
The output of two second digit drivers 220 receives the two-way negative terminal low level signal in addition of photoelectric multiplexing interface chip 201 outputs respectively, the input of two second digit drivers 220 links to each other with dichromatism LED lamp two negative terminals on the light user port 203 respectively, the control end of two second digit drivers 220 links to each other with the latch 232 of logic control circuit 230 respectively, receives the useful signal of its output.Whether two second digit drivers 220 are effective according to negative terminal low level signal and control end signal respectively, the negative terminal low level signal exported to the negative terminal of a LED in the dichromatism LED lamp.
Electricity on the user port 202 dichromatism LED lamp and light user port 203 on dichromatism LED lamp, respectively according to whether anode and negative terminal signal effective separately, bright lamp or turn off the light.
Among above-mentioned four embodiment, Logic control module can adopt CPLD (CPLD) to realize.Because present existing gigabit photoelectric multiplexing interface chip 201 all provides corresponding pin, therefore do not need the photoelectric multiplexing interface chip is improved among above-mentioned four embodiment, only need utilize original pin, increase Logic control module and digit driver to realize, realize fairly simple.
By the above embodiments as seen, use this photoelectric multiplexing interface of the present invention and state indicating device and state indication method, make the photoelectric multiplexing interface under various connection status, can both correctly indicate current be electric user port effectively or the light user port effective, and the structure and the method that realize are all very simple, the resource of logical device can be saved, and development progress, reduction development cost can be accelerated.
Claims (15)
1, a kind of state indicating device of photoelectric multiplexing interface, it is characterized in that: comprise switch control module, and first positioning indicator and being used to that is used to indicate the state of photoelectric multiplexing interface chip electricity user port is indicated second positioning indicator of the state of photoelectric multiplexing interface chip light user port; Described switch control module is controlled described first positioning indicator or the second positioning indicator output state index signal according to the connection status of photoelectric multiplexing interface chip electricity user port and light user port.
2, state indicating device as claimed in claim 1 is characterized in that: described switch control module comprises main control unit and controllable switch unit;
Described main control unit receives the electric user port of photoelectric multiplexing interface chip output and the connection status signal of light user port, produces control signal according to this signal and sends to controllable switch unit;
Described controllable switch unit receives the control signal that main control unit sends, and the control signal that produces first positioning indicator or second positioning indicator sends to first positioning indicator or second positioning indicator;
Described first positioning indicator or second positioning indicator are according to the control signal output state index signal of controllable switch unit output.
3, state indicating device as claimed in claim 2 is characterized in that: described main control unit comprises governor circuit and logic control circuit;
Described governor circuit receives the electric user port of photoelectric multiplexing interface chip output and the connection status signal of light user port, and output validated user port index signal is given logic control circuit;
Described logic control circuit generates control signal and sends to controllable switch unit according to described validated user port index signal.
4, state indicating device as claimed in claim 3 is characterized in that: described controllable switch unit comprises the first gate-controlled switch device and the second gate-controlled switch device;
The described first gate-controlled switch device links to each other respectively with logic control circuit with first positioning indicator, and the second gate-controlled switch device links to each other respectively with logic control circuit with second positioning indicator;
Described logic control circuit generates the useful signal of the first gate-controlled switch device or the second gate-controlled switch device according to described validated user port index signal, sends to the first gate-controlled switch device or the second gate-controlled switch device that link to each other with the validated user port;
The described first gate-controlled switch device or the second gate-controlled switch device generate the first positioning indicator control signal or the second positioning indicator control signal according to the useful signal of logic control circuit output, export to first positioning indicator or second positioning indicator.
5, state indicating device as claimed in claim 4 is characterized in that: described first positioning indicator is first indicator light that is arranged on electric user port, and described second positioning indicator is second indicator light that is arranged on the light user port; The first gate-controlled switch device is first digit driver, and the described second gate-controlled switch device is second digit driver;
Described governor circuit further exports lamp anode control signal and lamp negative terminal control signal is given the photoelectric multiplexing interface chip;
Described photoelectric multiplexing interface chip generates the input that the some modulating signal is exported to first digit driver and second digit driver respectively according to lamp anode control signal; And, generate the negative terminal that the negative terminal low level signal is exported to second indicator light on the negative terminal of first indicator light on the electric user port and the light user port respectively according to lamp negative terminal control signal;
The control end of described first digit driver or second digit driver receives the useful signal of described logic control circuit output, whether effective according to the some modulating signal and the control end signal that receive, the output point modulating signal is given the anode of first indicator light on the electric user port; Whether described second digit driver is effective according to the some modulating signal and the control end signal that receive, and the output point modulating signal is given the anode of second indicator light on the light user port;
Second indicator light on first indicator light and the light user port on the described electric user port, whether effective according to anode separately and negative terminal signal respectively, bright lamp or turn off the light.
6, state indicating device as claimed in claim 5 is characterized in that: described first indicator light is identical with second indicator light, and each indicator light comprises the LED lamp of two colors;
Two lamp negative terminal control signals that described photoelectric multiplexing interface chip sends according to governor circuit, generate two negative terminal low level signals, first via negative terminal low level signal is exported to first look LED lamp negative terminal of first indicator light and the first look LED lamp negative terminal of second indicator light, and the second road negative terminal low level signal is exported to second look LED lamp negative terminal of first indicator light and the second look LED lamp negative terminal of second indicator light;
The anode of the LED lamp of two colors in first indicator light receives the some modulating signal of the output of first digit driver respectively; The anode of the LED lamp of two colors in second indicator light receives the some modulating signal that second digit driver is exported respectively;
The LED lamp of two colors in described first indicator light and second indicator light, whether effective according to anode separately and negative terminal signal respectively, bright lamp or turn off the light.
7, state indicating device as claimed in claim 4 is characterized in that: described first positioning indicator is first indicator light that is arranged on electric user port, and described second positioning indicator is second indicator light that is arranged on the light user port; The first gate-controlled switch device is first digit driver, and the described second gate-controlled switch device is second digit driver;
Described governor circuit further exports lamp anode control signal and two lamp negative terminal control signals are given the photoelectric multiplexing interface chip;
Described photoelectric multiplexing interface chip is according to lamp anode control signal, generates the anode that the some modulating signal is exported to second indicator light on the anode of first indicator light on the user port and the light user port respectively; And, generate the negative terminal low level signal respectively and load output respectively to first digit driver and second digit driver according to two lamp negative terminal control signals;
The control end of described first digit driver or second digit driver receives the useful signal of described logic control circuit output, whether effective according to the negative terminal low level signal and the control end signal that load, output negative terminal low level signal is given the negative terminal of first indicator light on the electric user port; Whether described second digit driver is effective according to the negative terminal low level signal and the control end signal that load, and output negative terminal low level signal is given the negative terminal of second indicator light on the light user port;
Second indicator light on first indicator light and the light user port on the described electric user port, whether effective according to anode separately and negative terminal signal respectively, bright lamp or turn off the light.
8, state indicating device as claimed in claim 4 is characterized in that: described first indicator light is identical with second indicator light, and each indicator light comprises the LED lamp of two colors; The first gate-controlled switch device comprises two first digit drivers, and the described second gate-controlled switch device comprises two second digit drivers;
Four lamp negative terminal control signals that described photoelectric multiplexing interface chip sends according to governor circuit, generate four negative terminal low level signals and load output respectively to two first digit drivers and two second digit drivers, and, generate the some modulating signal and export to two LED lamp anodes of first indicator light and two LED lamp anodes of second indicator light respectively according to the lamp anode control signal that governor circuit sends;
The output of described two first digit drivers has loaded the two-way negative terminal low level signal that the photoelectric multiplexing interface chip generates respectively; The input of two first digit drivers links to each other with dichromatism LED lamp two negative terminals of first indicator light respectively; The control end of two first digit drivers links to each other with logic control circuit respectively, receives the useful signal of its output;
The output of described two second digit drivers has loaded the two-way negative terminal low level signal in addition that the photoelectric multiplexing interface chip generates respectively, the input of two second digit drivers links to each other with dichromatism LED lamp two negative terminals of second indicator light respectively, the control end of two second digit drivers links to each other with logic control circuit respectively, receives the useful signal of its output.
9, as claim 4,5,6,7 or 8 described state indicating devices, it is characterized in that: described logic control circuit comprises decoding logic and latch; Described decoding logic links to each other with governor circuit by address wire;
Described decoding logic receives the address information that described governor circuit sends, decipher, output validated user port address is given latch, latch generates the first or second digit driver useful signal that links to each other with the validated user port according to this address, exports to the control end of first or second digit driver.
10, a kind of state indication method of photoelectric multiplexing interface is characterized in that: adopt the described state indicating device of claim 1, its state indication process may further comprise the steps:
A, photoelectric multiplexing interface chip send the connection status signal of electric user port and light user port to switch control module;
B, switch control module are controlled described first positioning indicator or the second positioning indicator output state index signal according to the connection status that steps A receives.
11, state indication method as claimed in claim 10 is characterized in that: described switch control module comprises governor circuit, logic control circuit and controllable switch unit; Described step B comprises:
B1, governor circuit receive the electric user port of photoelectric multiplexing interface chip output and the connection status signal of light user port, and the validated user port index signal of output is given logic control circuit;
B2, logic control circuit generate useful signal and send to controllable switch unit according to described validated user port index signal;
The useful signal that B3, controllable switch unit receive logic control circuit send, the control signal that produces first positioning indicator or second positioning indicator sends to first positioning indicator or second positioning indicator;
B4, first positioning indicator or second positioning indicator are according to the control signal output state index signal of controllable switch unit output.
12, state indication method as claimed in claim 11 is characterized in that: described first positioning indicator is first indicator light that is arranged on electric user port, and described second positioning indicator is second indicator light that is arranged on the light user port; Described controllable switch unit comprises first digit driver and second digit driver;
Among the described step B1, governor circuit further exports lamp anode control signal and lamp negative terminal control signal is given the photoelectric multiplexing interface chip; The photoelectric multiplexing interface chip generates the input that the some modulating signal is exported to first digit driver and second digit driver respectively according to lamp anode control signal; And, generate the negative terminal that the negative terminal low level signal is exported to second indicator light on the negative terminal of first indicator light on the electric user port and the light user port respectively according to lamp negative terminal control signal;
Among the described step B2, the useful signal of logic control circuit output sends to the control end of first digit driver or second digit driver;
Among the described step B3, whether first digit driver or second digit driver be effective according to the some modulating signal and the control end signal that receive, and the output point modulating signal is given the anode of first indicator light on the electric user port; Whether described second digit driver is effective according to the some modulating signal and the control end signal that receive, and the output point modulating signal is given the anode of second indicator light on the light user port;
Described step B4 is: second indicator light on first indicator light and the light user port on the electric user port, and whether effective according to anode separately and negative terminal signal respectively, bright lamp or turn off the light.
13, state indication method as claimed in claim 11 is characterized in that: described first positioning indicator is first indicator light that is arranged on electric user port, and described second positioning indicator is second indicator light that is arranged on the light user port; Described controllable switch unit comprises first digit driver and second digit driver;
Among the described step B1, governor circuit further exports lamp anode control signal and two lamp negative terminal control signals are given the photoelectric multiplexing interface chip; Described photoelectric multiplexing interface chip is according to lamp anode control signal, generates the anode that the some modulating signal is exported to second indicator light on the anode of first indicator light on the user port and the light user port respectively; And, generate the negative terminal low level signal respectively and load output respectively to first digit driver and second digit driver according to two lamp negative terminal control signals;
Among the described step B2, the useful signal of logic control circuit output sends to the control end of first digit driver or second digit driver;
Among the described step B3, whether first digit driver or second digit driver be effective according to the negative terminal low level signal and the control end signal that load, and output negative terminal low level signal is given the negative terminal of first indicator light on the electric user port; Whether described second digit driver is effective according to the negative terminal low level signal and the control end signal that load, and output negative terminal low level signal is given the negative terminal of second indicator light on the light user port;
Described step B4 is: second indicator light on first indicator light and the light user port on the electric user port, and whether effective according to anode separately and negative terminal signal respectively, bright lamp or turn off the light.
14, a kind of photoelectric multiplexing interface, comprise photoelectric multiplexing interface chip, electric user port and light user port, described photoelectric multiplexing interface chip links to each other with the external piloting control circuit, the electricity user port links to each other with the photoelectric multiplexing interface chip respectively with the light user port, it is characterized in that: first positioning indicator and second positioning indicator, logic control circuit and the controllable switch unit that also comprise the state that is used to indicate described electric user port and light user port;
Described governor circuit receives the electric user port of photoelectric multiplexing interface chip output and the connection status signal of light user port, and output validated user port index signal is given logic control circuit;
Described logic control circuit generates control signal and sends to controllable switch unit according to described validated user port index signal;
The control signal that described controllable switch unit receive logic control circuit sends, the control signal that produces first positioning indicator or second positioning indicator sends to first positioning indicator or second positioning indicator;
Described first positioning indicator or second positioning indicator are according to the control signal output state index signal of controllable switch unit output.
15, photoelectric multiplexing interface as claimed in claim 14 is characterized in that: the light user port that comprises a photoelectric multiplexing interface chip, four electric user ports and four correspondences; Four corresponding four first positioning indicators of electric user port, four corresponding four second positioning indicators of light user port; Described controllable switch unit comprises four first gate-controlled switch devices and four second gate-controlled switch devices;
Described governor circuit receives four the electric user ports of photoelectric multiplexing interface chip output and the connection status signal of four light user ports, and output validated user port index signal is given logic control circuit;
Described logic control circuit generates control signal and sends to four first gate-controlled switch devices and four second gate-controlled switch devices according to described validated user port index signal;
Four the first validated user port index signals that gate-controlled switch device receive logic control circuit sends, the control signal that produces first positioning indicator sends to one first positioning indicator of effective electric user port correspondence; Four the second validated user port index signals that gate-controlled switch device receive logic control circuit sends, the control signal that produces second positioning indicator sends to one second positioning indicator of effective light user port correspondence;
Described first positioning indicator is according to the control signal output state index signal of first gate-controlled switch device output; Described second positioning indicator is according to the control signal output state index signal of second gate-controlled switch device output.
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| CN104378314A (en) * | 2014-11-05 | 2015-02-25 | 上海斐讯数据通信技术有限公司 | Method for correcting state of photoelectric multiplex port of switchboard |
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| CN104378314A (en) * | 2014-11-05 | 2015-02-25 | 上海斐讯数据通信技术有限公司 | Method for correcting state of photoelectric multiplex port of switchboard |
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