CN207266021U - Realize the device and optical line terminal equipment of service signal switching - Google Patents
Realize the device and optical line terminal equipment of service signal switching Download PDFInfo
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- CN207266021U CN207266021U CN201721023541.1U CN201721023541U CN207266021U CN 207266021 U CN207266021 U CN 207266021U CN 201721023541 U CN201721023541 U CN 201721023541U CN 207266021 U CN207266021 U CN 207266021U
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Abstract
A kind of device and optical line terminal equipment for realizing service signal switching is the utility model is related to, realizing the device of service signal switching includes：At least two pieces of master control borads, and the business board being connected respectively with the master control borad, the business board include：The EPLD controllers of the control signal be connected with the master control borad, sent for receiving the master control borad；And connected respectively with the EPLD controllers and the master control borad, the business board is switched to the switch element for being connected to the corresponding master control borad according to the control signal.The disconnection or connection of business board channel and master control board channel are realized by EPLD controller controlling switch units, it ensure that business board Channel Synchronous is switched to be connected with the master control board channel of work at present, and business board channel can automatically switch the master control board channel being connected to work at present when master control borad switches, whole process improves switching efficiency without human intervention.Using switching, the resource of business board is saved.
Description
Technical field
Optical line terminal field is the utility model is related to, more particularly to a kind of device and light for realizing service signal switching
Line terminal equipment.
Background technology
In existing OLT (Optical line terminal, optical line terminal) equipment, it usually needs configuration is at least
Two master control borads, so that when currently used master control borad failure, system can manually communicate in switching main-control board, maintenance
The continuity of business, makes communication service therefore not interrupt.
After master control borad switching, the switching of business board channel must scene implemented, therefore, in handoff procedure,
There are master control borad to have switched, and business board channel without switching situation, it is necessary to be switched over manually to business board channel.And hand
Dynamic service switchover board channel make it that switching time is long, and switching efficiency is low, so as to influence the normal work of system.
Utility model content
Based on this, it is necessary to for OLT device there are business board channel switching efficiency it is low the problem of, there is provided one kind realizes industry
The device and optical line terminal equipment of business signal switching.
A kind of device for realizing service signal switching, including：
At least two pieces of master control borads, and
The business board being connected respectively with each master control borad, the business board include：
EPLD (the Erasable of the control signal be connected with each master control borad, sent for receiving each master control borad
Programmable Logic Device, erasable Programmadle logic device) controller；And
It is connected with the EPLD controllers and each master control borad, is cut the business board respectively according to the control signal
Change the switch element for being connected to the corresponding master control borad.
In one of the embodiments, the master control borad includes the first master control borad and the second master control borad, first master control
Plate is provided with the first master control board channel；Second master control borad is provided with the second master control board channel；The business board be provided with
The first master control board channel or the corresponding business board channel of the second master control board channel；
The EPLD controllers and the switch element on the business board are respectively arranged with corresponding port, described
The port of EPLD controllers receives the control signal that first master control borad or second master control borad are sent；The switch element
Port receive the switching signal of EPLD controllers output, and switch the first of first master control borad according to the switching signal
Master control board channel be connected with the business board channel of the business board or the second master control board channel of second master control borad with it is described
The business board channel connection of business board.
In one of the embodiments, the business board further includes business board chip；The switch element is opened including first
Pass and second switch；First master control board channel of first master control borad includes the first main control board data passage, the first master control borad
Management passage and first control signal passage, the second master control board channel of second master control borad are led to including the second main control board data
Road, the second master control borad management passage and second control signal passage；The input terminal of the EPLD controllers connects described respectively
One control signal passage and the second control signal passage；The output terminals of the EPLD controllers connect the first switch and
The input terminal of the second switch；The output terminal of the first switch connects the first main control board data passage, described second
Main control board data passage and the business board data channel；The output terminal of the second switch connects the first master control board management
Passage, the second master control borad management passage and the business board management passage；The business board data channel and the business
Board management passage is connected with the business board chip.
In one of the embodiments, the input terminal of the EPLD controllers receive the first control signal passage and/
Or the control signal of the second control signal passage, output terminal output the first switching signal and second of the EPLD controllers
Switching signal；The first switch switches the first main control board data passage and the industry according to first switching signal
The connection of business plate data channel or the second main control board data passage are connected with the business board data channel；Described second opens
Close according to second switching signal, switch the first master control borad management passage be connected with the business board management passage or
The second master control borad management passage is connected with the business board management passage.
In one of the embodiments, the control signal is low level signal or high level signal.
In one of the embodiments, it is corresponding for low level signal to be connected to control signal for the business board data channel
Main control board data passage, the business board management passage are connected to control signal and lead to for the corresponding master control board management of low level signal
Road, or the business board data channel are connected to control signal as the corresponding main control board data passage of high level signal, the industry
It is the corresponding master control borad management passage of high level signal that business board management passage, which is connected to control signal,.
In one of the embodiments, the business board is EL7500-16 two-port gigabit uplink service plates.
In one of the embodiments, the first switch is two panels NB4N7132 serial link reproducers, described second
Switch as two panels SN74LVC1G3157G monopole double-gate analog switches.
In one of the embodiments, at least two pieces of master control borads are connected by backboard with the business board.
A kind of optical line terminal equipment, including the device for realizing service signal switching described in any of the above-described.
It is above-mentioned realize service signal switching device and optical line terminal equipment, in business board set EPLD controllers and
Switch element.The EPLD controllers are connected with least two pieces of master control borads, when master control borad switches, by EPLD controller roots
According to control signal switching signal is sent to switch element；Switch element is connected with EPLD controllers, and is receiving switching signal
When, business board channel is switched to and is connected with corresponding master control board channel.Industry is realized by EPLD controller controlling switch units
The disconnection or connection of board channel of being engaged in and master control board channel, ensure that business board Channel Synchronous switches to the master control borad with work at present
Passage connects, and business board channel can automatically switch to be connected to and leads to the master control borad of work at present when master control borad switches
Road, whole process improve switching efficiency without human intervention.Also, also solve business board data using switching to lead to
The problem of road and insufficient management passage, save the resource of business board.
Brief description of the drawings
Fig. 1 is the structure diagram of the device for realizing service signal switching of an embodiment；
Fig. 2 is the structure diagram of the device for realizing service signal switching of another embodiment；
Fig. 3 is the structure diagram of the business board of an embodiment.
Embodiment
For the ease of understanding the utility model, the utility model is more fully retouched below with reference to relevant drawings
State.The better embodiment of the utility model is given in attached drawing.But the utility model can come in many different forms
Realize, however it is not limited to embodiments described herein.On the contrary, the purpose for providing these embodiments is to make to this practicality newly
The more thorough and comprehensive that the disclosure of type understands.
A kind of device for realizing service signal switching, as shown in Figure 1, including：At least two pieces of master control borads 10, and respectively with
The business board 300 that each master control borad 10 connects, business board 300 include：It is connected with each master control borad 10, is sent out for receiving each master control borad 10
EPLD (Erasable Programmable Logic Device, the erasable Programmadle logic device) controls for the control signal sent
Device 310 processed；And it is connected respectively with EPLD controllers 310 and each master control borad 10, business board 300 is switched by company according to control signal
The switch element 320 of corresponding master control borad is connected to, is realized in switching main-control board, the master of business board synchronism switching and work at present
Control plate connection.
When the master control borad of work at present interrupts connection with business board 300, it is necessary to switch because of abnormal work or other reasons
When continuing vocational work to another master control borad, the master control borad of work at present can send a control signal to the EPLD controllers of business board
310, EPLD controllers 310 receive the control signal, and disconnect work at present according to the control signal come controlling switch unit 320
Master control borad and business board 300 connection, and the master control borad of work at present is connected to another master control borad.
The disconnection or connection of business board channel and master control board channel are realized by EPLD controller controlling switch units, is ensured
Business board Channel Synchronous is switched to be connected with the master control board channel of work at present, and business board channel can occur in master control borad
Automatically and rapidly switch the master control board channel being connected to work at present during switching, whole process is improved without human intervention
Switching efficiency.Also, the problem of also solving business board data channel and insufficient management passage using switching, saves
The resource of business board.
In another embodiment, as shown in Fig. 2, realizing the device of service signal switching includes two master control borads, in Fig. 2
Example in be denoted as the first master control borad 100 and the second master control borad 200 respectively, the first master control borad 100 is provided with the first master control borad and leads to
Road, i.e. the first master control borad 100 are connected the passage carried out data transmission with business board 300；Second master control borad 200 is provided with the second master
Board channel is controlled, i.e. the second master control borad 200 is connected the passage carried out data transmission with business board 300；Business board 300 is provided with and the
One master control board channel or the corresponding business board channel of the second master control board channel, business board channel are used for realization connecing for different business
Enter.
EPLD controllers 310 and switch element 320 on business board 300 are respectively arranged with corresponding port, EPLD controls
The port of device 310 receives the control signal that the first master control borad 100 or the second master control borad 200 are sent, and is obtained according to the control signal
Obtain switching signal；The port of switch element 320 receives the switching signal of the output of EPLD controllers 310, and is cut according to switching signal
The the first master control board channel for changing the first master control borad 100 is connected or second master control borad 200 with the business board channel of business board 300
Second master control board channel is connected with the business board channel of business board 300.When the first master control borad 100 breaks down and switch to second
During master control borad 200, EPLD controllers 310 are cut accordingly according to the control signal of the first master control borad 100 transmission received
Change signal, business board channel can be switched to the second master control borad with the second master control borad 100 by switch element 320 according to switching signal
Passage connects, so that business board and master control borad can continue to work normally, avoids the interruption of business.
Further, business board 300 further includes business board chip 330, and business board chip 330 is used for realization to external business
The reception and forwarding of data, business board may include uplink interface board PHY chip, lower andante PON chips etc..The of first master control borad 100
One master control board channel includes the first main control board data passage, the first master control borad management passage and first control signal passage, and second
Second master control board channel of master control borad includes the second main control board data passage, the second master control borad management passage and second control signal
Passage.The input terminal of EPLD controllers 310 connects first control signal passage and second control signal passage respectively, to receive
The control signal of one master control borad or the second master control borad.Switch element 320 includes first switch 321 and second switch 322, EPLD controls
The output terminal connection first switch 321 of device 310 processed and the input terminal of second switch 322, first switch are used to be controlled according to EPLD
The switching signal service switchover plate data channel data channel connection corresponding with the first master control borad or the second master control borad of device, second
Switch is used for according to the switching signal service switchover board management passage of EPLD controllers and the first master control borad or the second master control borad pair
The management passage connection answered.
Specifically, first switch 321 output terminal connect the first main control board data passage, the second main control board data passage and
Business board data channel；The output terminal of second switch 322 connect the first master control borad management passage, the second master control borad management passage and
Business board management passage.First switch business board data channel and business board management passage are connected with business board chip 330.Having
In the embodiment of body, first switch 321 can be two panels NB4N7132 serial link reproducers, and second switch 322 can be two
Piece SN74LVC1G3157G monopole double-gate analog switches.
Specifically, the input terminal of EPLD controllers 310 receives first control signal passage and/or second control signal passage
Control signal, the output terminals of EPLD controllers 310 exports the first switching signal and the second switching signal；First switch 321
According to the first switching signal, the first main control board data passage of switching is connected with business board data channel or the second main control board data leads to
Road is connected with business board data channel；Second switch 322 switches the first master control borad management passage and industry according to the second switching signal
The connection of business board management passage or the second master control borad management passage are connected with business board management passage, when simplifying master control borad switching,
The process of business board synchronism switching data channel and management passage, business board is simple in structure, reduces equipment cost.
In one embodiment, control signal can be low level signal or high level signal.
In one embodiment, EPLD controllers 310 can send corresponding switching according to the low level signal received
Signal, makes business board data channel be connected to control signal as the corresponding main control board data passage of low level signal, business board pipe
It is the corresponding master control borad management passage of low level signal that reason passage, which is connected to control signal,.
In another specific embodiment, EPLD controllers 310 can send corresponding cut according to the high level signal received
Signal is changed, business board data channel is connected to control signal as the corresponding main control board data passage of high level signal, business board
It is the corresponding master control borad management passage of high level signal that management passage, which is connected to control signal,.
In a wherein embodiment, the first master control borad 100 and the second master control borad 200 are connected by backboard 400 and business board 300
Connect.
It is two master control institutes to select EL7500-16 two-port gigabit uplink services plate, groove position 8 and groove position 9 below with business board
Two panels NB4N7132 serial links reproducer, second switch is selected to select two panels SN74LVC1G3157G in groove position, first switch
The device for realizing service signal switching of the utility model is illustrated exemplified by monopole double-gate analog switch, as shown in Figure 3：
First switch selects two panels NB4N7132 serial link reproducers, two panels NB4N7132 serial link reproducers
IN0+, IN0-, OUT0+, OUT0-, IN1+, IN1-, OUT1+, OUT1- share the seders signals that 4 tunnels connect two master control borads respectively
Passage, be used for transmission Slot8_seders receive signal, Slot8_seders send signal, Slot9_seders receive signal,
Slot9_seders sends signal, the IN+, IN-, OUT+ of two panels NB4N7132 serial link reproducers, and OUT- shares 2 tunnels difference
Meet 1 road seders of business board and receive signal and 1 road seders of business board transmission signals, switching signal MUX, MUX0, MUX1 difference
It is connected to EPLD controllers.
Second switch selects two panels SN74LVC1G3157G monopole double-gate analog switches, the B1 of a piece of SN74LVC1G3157
Terminate first master control borad management passage Slot8_MDC, B2 termination the second master control borad management passage Slot9_MDC, A termination uplink interface board
Management passage MDC, S the end Slot_MDC of PHY is connected to EPLD controllers.The first master of B1 terminations of another SN74LVC1G3157
Control board management passage passage Slot8_MDIO, B2 termination the second master control borad management passage Slot9_MDIO, A termination uplink interface board PHY
Management passage MDIO, S end Slot_MDIO be connected to EPLD controllers.
First control signal Slot8_ACT_OUT, second control signal Slot9_ACT_OUT are connected to business board by backboard
EPLD controllers on, wherein, control signal is major state for 0 expression this master control, and control signal represents that this master control is standby for 1
Use state.
If Slot8_ACT_OUT is low level " 0 ", i.e., groove position 8 is major state, and business board data channel, management are logical
Road is connected with data channel, the management passage of groove position 8；When pulling up 8 board of groove position, Slot8_ACT_OUT is low level " 1 ",
I.e. groove position 8 is stand-by state, and groove position 9 is major state, and business board data channel, the data channel of management passage and groove position 9, manage
Reason passage is connected.It is achieved thereby that business board data communication, the synchronism switching of management communication during frame OLT master switchings.
The utility model also provides a kind of optical line terminal equipment, which includes the reality of any of the above-described
The device of existing service signal switching.
As shown in Figure 1 and Figure 2, EPLD controllers 310 and switch element 320, EPLD controllers 310 are set in business board
It is connected with least two pieces of master control borads, such as the first control panel 100 and the second control panel 200, when the first control panel 100 and the second control
When plate 200 switches, switching signal is sent to switch element 320 according to control signal from EPLD controllers 310；Switch element
320 are connected with EPLD controllers 310, and when receiving switching signal, business board channel is switched to and corresponding master control borad
Passage connects.Disconnection or the company of business board channel and master control board channel are realized by 310 controlling switch unit 320 of EPLD controllers
Connect, ensure that business board Channel Synchronous is switched to and be connected with the master control board channel of work at present, and business board channel can be in master
Automatic switchover is connected to the master control board channel with work at present when control plate switches, and whole process is improved without human intervention
Switching efficiency, and ensure that the continuity that business performs.Also, using switching also solve business board data channel and
The problem of management passage is insufficient, saves the resource of business board.
Each technical characteristic of embodiment described above can be combined arbitrarily, to make description succinct, not to above-mentioned reality
Apply all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, the scope that this specification is recorded all is considered to be.
Embodiment described above only expresses the several embodiments of the utility model, its description is more specific and detailed,
But therefore it can not be interpreted as the limitation to utility model patent scope.It should be pointed out that the common skill for this area
For art personnel, without departing from the concept of the premise utility, various modifications and improvements can be made, these are belonged to
The scope of protection of the utility model.Therefore, the protection domain of the utility model patent should be determined by the appended claims.
Claims (10)
1. a kind of device for realizing service signal switching, including：
At least two pieces of master control borads, and
The business board being connected respectively with each master control borad, the business board include：
The EPLD controllers of the control signal be connected with each master control borad, sent for receiving each master control borad；And
It is connected respectively with the EPLD controllers and each master control borad, the business board is switched by company according to the control signal
It is connected to the switch element of the corresponding master control borad.
2. the device according to claim 1 for realizing service signal switching, it is characterised in that the master control borad includes first
Master control borad and the second master control borad, first master control borad are provided with the first master control board channel；Second master control borad is provided with
Two master control board channels；The business board is provided with industry corresponding with the first master control board channel or the second master control board channel
Business board channel；
The EPLD controllers and the switch element on the business board are respectively arranged with corresponding port, the EPLD controls
The port of device processed receives the control signal that first master control borad or second master control borad are sent；The port of the switch element
The switching signal of EPLD controllers output is received, and switches the first master control borad of first master control borad according to the switching signal
Passage is connected with the business board channel of the business board or the second master control board channel of second master control borad and the business board
Business board channel connection.
3. the device according to claim 2 for realizing service signal switching, it is characterised in that the business board further includes industry
Business board chip；The switch element includes first switch and second switch；First master control board channel bag of first master control borad
Include the first main control board data passage, the first master control borad management passage and first control signal passage, the of second master control borad
Two master control board channels include the second main control board data passage, the second master control borad management passage and second control signal passage；It is described
The input terminal of EPLD controllers connects the first control signal passage and the second control signal passage respectively；The EPLD
The output terminal of controller connects the input terminal of the first switch and the second switch；The output terminal connection of the first switch
The first main control board data passage, the second main control board data passage and the business board data channel；Described second opens
The output terminal of pass connects the first master control borad management passage, the second master control borad management passage and the business board management and leads to
Road；The business board data channel and the business board management passage are connected with the business board chip.
4. it is according to claim 3 realize service signal switching device, it is characterised in that the EPLD controllers it is defeated
Enter the control signal that end receives the first control signal passage and/or the second control signal passage, the EPLD controls
The output terminal of device exports the first switching signal and the second switching signal；The first switch is cut according to first switching signal
The first main control board data passage is changed to be connected with the business board data channel or the second main control board data passage and institute
State the connection of business board data channel；The second switch switches the first master control board management according to second switching signal
Passage is connected with the business board management passage or the second master control borad management passage connects with the business board management passage
Connect.
5. the device according to claim 4 for realizing service signal switching, it is characterised in that the control signal is low electricity
Ordinary mail number or high level signal.
6. the device according to claim 5 for realizing service signal switching, it is characterised in that the business board data channel
It is connected to control signal and is connected to control letter for the corresponding main control board data passage of low level signal, the business board management passage
Number it is the corresponding master control borad management passage of low level signal, or it is high level that the business board data channel, which is connected to control signal,
It is the corresponding master of high level signal that the corresponding main control board data passage of signal, the business board management passage, which are connected to control signal,
Control board management passage.
7. the device according to claim 3 for realizing service signal switching, it is characterised in that the business board is
EL7500-16 two-port gigabit uplink service plates.
8. the device according to claim 3 for realizing service signal switching, it is characterised in that the first switch is two panels
NB4N7132 serial link reproducers, the second switch are two panels SN74LVC1G3157G monopole double-gate analog switches.
9. the device according to claim 1 for realizing service signal switching, it is characterised in that at least two pieces of master control borads
It is connected by backboard with the business board.
10. a kind of optical line terminal equipment, it is characterised in that business is believed including realizing any one of claim 1-9
Number switching device.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201721023541.1U CN207266021U (en) | 2017-08-15 | 2017-08-15 | Realize the device and optical line terminal equipment of service signal switching |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721023541.1U CN207266021U (en) | 2017-08-15 | 2017-08-15 | Realize the device and optical line terminal equipment of service signal switching |
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| CN207266021U true CN207266021U (en) | 2018-04-20 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110543390A (en) * | 2019-09-19 | 2019-12-06 | 深圳市友华通信技术有限公司 | Method and device for quickly responding to interrupt reconnection and communication equipment |
| CN111158961A (en) * | 2019-12-28 | 2020-05-15 | 浪潮商用机器有限公司 | Cable redundancy device and cable redundancy method |
-
2017
- 2017-08-15 CN CN201721023541.1U patent/CN207266021U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110543390A (en) * | 2019-09-19 | 2019-12-06 | 深圳市友华通信技术有限公司 | Method and device for quickly responding to interrupt reconnection and communication equipment |
| CN111158961A (en) * | 2019-12-28 | 2020-05-15 | 浪潮商用机器有限公司 | Cable redundancy device and cable redundancy method |
| CN111158961B (en) * | 2019-12-28 | 2023-06-23 | 浪潮商用机器有限公司 | Cable redundancy device and cable redundancy method |
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