CN203276267U - Communication junction box - Google Patents
Communication junction box Download PDFInfo
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- CN203276267U CN203276267U CN 201320239925 CN201320239925U CN203276267U CN 203276267 U CN203276267 U CN 203276267U CN 201320239925 CN201320239925 CN 201320239925 CN 201320239925 U CN201320239925 U CN 201320239925U CN 203276267 U CN203276267 U CN 203276267U
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Abstract
A communication junction box comprises a first serial port male, a second serial port male, a third serial port male, a first serial port female, a second serial port female, a third serial port female, an internet access, a first group of straight-through controllable switches, a first group of crossed controllable switches, a second group of straight-through controllable switches and a second group of crossed controllable switches, wherein pins of the first serial port male and the first serial port female are in straight-off connection with pins of the second serial port male and the second serial port female through the first group of straight-through controllable switches, and are in crossed connection with the pins of the second serial port male and the second serial port female through the first group of crossed controllable switches; pins of the third serial port male and the third serial port female are in straight-off connection with the internet access through the second group of straight-through controllable switches, and are in crossed connection with the internet access through the second group of crossed controllable switches. The communication junction box adopting the technical scheme avoids the line changeover operation effectively, and improves the working efficiency.
Description
Technical field
The utility model relates to electronic communication field, relates in particular to a kind of communication connection box.
Background technology
Fast development along with the communications field, the electronic information communication technology has entered people's life, emerged various communication facilities in society, as mobile phone, computer, IPAD even various monitorings and the communication facilities in power communication field, and carry out the transmission of information between various communication facilities by wired or wireless mode.Yet, for wired data transfer mode, usually this kind communication facilities all has the communication interfaces such as serial ports, USB interface or network interface, between existing communication facilities, serial communication is directly used direct-through line, or directly use cross spider, and the conversion of male serial ports and female serial ports is also directly to use conversion line, does not have to lead directly to and the switching that intersects although serial ports turns network interface, needs direct thread-changing.Wired connection between this communication facilities certainly will cause the situation of connecting line " many " and " unrest ".Owing to there is no special-purpose connecting line connection device, at present for no matter being in installation between the many communication apparatus of communication interface, or in the debugging after using, maintenance process, need frequent thread-changing during interface communication between two communication facilitiess, blocked operation is loaded down with trivial details, affect job schedule, reduced work efficiency.
The utility model content
The utility model needs frequent thread-changing when being intended to solve in prior art between communication facilities communication, and the loaded down with trivial details technical matters of blocked operation because the connecting line multi-band is come provides a kind of communication connection box, has effectively strengthened job schedule, has improved work efficiency.
A kind of communication connection box, described communication connection box are provided with first serial male, second serial male, the 3rd serial ports male, first serial female, second serial female, the 3rd serial ports female and network interface;
Described communication connection box also is provided with first group of straight-through gate-controlled switch and first group of intersection gate-controlled switch, the pin of described first serial male and first serial female is connected with the pin of second serial male and second serial female is straight-through by first group of straight-through gate-controlled switch, and the pin of described first serial male and first serial female is by the pin cross connection of first group of intersection gate-controlled switch and second serial male and second serial female;
Described communication connection box also is provided with second group of straight-through gate-controlled switch and second group of intersection gate-controlled switch, the pin of described the 3rd serial ports male and the 3rd serial ports female is connected with the pin of described network interface is straight-through by second group of straight-through gate-controlled switch, and the pin of described the 3rd serial ports male and the 3rd serial ports female is by the pin cross connection of second group of intersection gate-controlled switch and described network interface.
Preferably, described first serial male accept data pin, send data pin and signal ground pin respectively with the accepting data pin, send data pin and the signal ground pin connects one to one of first serial female; Described second serial male accept data pin, send data pin and signal ground pin respectively with the accepting data pin, send data pin and the signal ground pin connects one to one of second serial female;
The accepting data pin, send data pin and signal ground pin accepting data pin, send data pin and signal ground pin and lead directly to and be connected by described first group of straight-through gate-controlled switch and described second serial male respectively of described first serial male; The accepting data pin and send data pin of described first serial male intersected the accepting data pin and sending the data pin cross connection of gate-controlled switch and described second serial male by described first group respectively.
Preferably, described first group of straight-through gate-controlled switch comprises the second gate-controlled switch, the 3rd gate-controlled switch and the 5th gate-controlled switch; Described first group of intersection gate-controlled switch comprises a gate-controlled switch and No. two gate-controlled switches;
The data pin of accepting of first serial male is connected with the data pin of accepting of second serial male by the second gate-controlled switch, the data pin of sending of first serial male is connected with the data pin of sending of second serial male by the 3rd gate-controlled switch, and the signal ground pin of first serial male is connected with the signal ground pin of second serial male by the 5th gate-controlled switch;
The data pin of accepting of described first serial male also is connected with the data pin of sending of second serial male by a gate-controlled switch, and the data pin of sending of first serial male also is connected with the data pin of accepting of second serial male by No. two gate-controlled switches.
Preferably, the DTR pin of described first serial male and clear to send pin connect one to one with DTR pin and the clear to send pin of first serial female respectively; The DTR pin of described second serial male and clear to send pin connect one to one with DTR pin and the clear to send pin of second serial female respectively;
The DTR pin of described first serial male and clear to send pin the DTR pin by described first group of straight-through gate-controlled switch and described second serial male and clear to send pin respectively lead directly to and are connected.
Preferably, described first group of straight-through gate-controlled switch comprises the 4th gate-controlled switch and the 8th gate-controlled switch, the DTR pin of first serial male is connected with the DTR pin of second serial male by the 4th gate-controlled switch, and the clear to send pin of first serial male sends pin by the 8th gate-controlled switch with clearing data of second serial male and is connected.
Preferably, the carrier detect pin of described first serial male, DSR pin, request send that pin and ringring prompting pin send pin with carrier detect pin, DSR pin, the request of first serial female respectively and the ringring prompting pin connects one to one; The carrier detect pin of described second serial male, DSR pin, request send that pin and ringring prompting pin send pin with carrier detect pin, DSR pin, the request of second serial female respectively and the ringring prompting pin connects one to one;
The carrier detect pin of described first serial male, DSR pin, carrier detect pin, DSR pin, request transmission pin and the ringring prompting pin of asking transmission pin and ringring prompting pin to pass through respectively first group of straight-through gate-controlled switch and first serial female lead directly to and are connected.
preferably, described first group of straight-through gate-controlled switch also comprises the first gate-controlled switch, the 6th gate-controlled switch, the 7th gate-controlled switch and the 9th gate-controlled switch, the carrier detect pin of described first serial male is connected with the carrier detect pin of second serial male by the first gate-controlled switch, the DSR pin of first serial male is connected with the DSR pin of second serial male by the 6th gate-controlled switch, the request of first serial male sends pin and is connected with the request transmission pin of second serial male by the 7th gate-controlled switch, the ringring prompting pin of first serial male is connected with the ringring prompting pin of second serial male by the 9th gate-controlled switch.
Preferably, the carrier detect pin of the 3rd serial ports male, accept data pin, send data pin, DTR pin, signal ground pin, DSR pin, request send pin, clear to send pin and ringring prompting pin respectively with the carrier detect pin of the 3rd serial ports female, accept data pin, send data pin, DTR pin, signal ground pin, DSR pin, request send pin, clear to send pin and ringring prompting pin and connect one to one;
The 2nd pin of described network interface, the 3rd pin be respectively by the accepting data pin, send data pin and lead directly to and be connected of second group of straight-through gate-controlled switch and the 3rd serial ports male,
The 2nd pin of described network interface, the 3rd pin intersect the accepting data pin, send the data pin cross connection of gate-controlled switch and the 3rd serial ports male by second group respectively.
Preferably, described second group of straight-through gate-controlled switch comprises the tenth gate-controlled switch and the 11 gate-controlled switch, and described second group of intersection gate-controlled switch comprises No. three gate-controlled switches and No. four gate-controlled switches;
The 2nd pin of described network interface is connected by the receive data pin of the tenth gate-controlled switch with the 3rd serial ports male, and the 3rd pin of described network interface is connected by the data pin of sending of the 11 gate-controlled switch with the 3rd serial ports male;
The 3rd pin of described network interface is connected with the data pin of accepting of the 3rd serial ports male by No. three gate-controlled switches, and the 2nd pin of described network interface is connected with the data pin of sending of the 3rd serial ports male by No. four gate-controlled switches.
Preferably, the 5th pin of described network interface is connected with the signal ground pin of the 3rd serial ports male.
in above technical scheme, the communication connection box that provides at the utility model arranges the first serial male, the second serial male, the 3rd serial ports male, the first serial female, the second serial female, the 3rd serial ports female and network interface, pin between serial ports is connected by through swtich and cross bar switch, also be connected by through swtich and cross bar switch between serial ports pin and network interface pin, efficiently solve the wired connection between communication facilities and cause the situation of connecting line " many " and " unrest ", in installation, in debugging or maintenance process after use, the communication connection box that adopts the utility model to provide, do not need frequent thread-changing during interface communication between two communication facilitiess, effectively simplified blocked operation, strengthened job schedule, improved work efficiency.
Description of drawings
Fig. 1 is the back panel wiring structural representation of the communication connection box of the utility model the first embodiment;
Fig. 2 is the back panel wiring structural representation of the communication connection box of the utility model the second embodiment;
Fig. 3 is the back panel wiring structural representation of the communication connection box of the third embodiment of the utility model;
Fig. 4 is the back panel wiring structural representation of the communication connection box of the 4th kind of embodiment of the utility model;
Fig. 5 is the back panel wiring structural representation of the communication connection box of the 5th kind of embodiment of the utility model.
Embodiment
Clearer for technical matters, technical scheme and beneficial effect that the utility model is solved, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein only in order to explaining the utility model, and be not used in restriction the utility model.
by reference to the accompanying drawings, the utility model provides a kind of communication connection box, described communication connection box is provided with serial ports, network interface or USB interface, pin between serial ports can be connected by through swtich and cross bar switch, also can be connected by through swtich and cross bar switch between serial ports pin and network interface pin, turn between the USB module by serial ports between serial ports and USB interface and be connected, the technical solution of the utility model is installed at communication apparatus, in debugging or maintenance process after use, frequent thread-changing operation in the time of can simplifying communication apparatus communication, strengthened job schedule, improved work efficiency.
for all embodiment of the utility model are effectively described, here first introduce serial ports, each pin of network interface, in general, serial ports male or serial ports female all have nine pins, it is male when the serial ports head is nine kinds of needles, it is female when the serial ports head is nine holes, nine pins are respectively: pin 1-carrier detect pin (DCD), pin 2-accepts data pin (RXD), pin 3-sends data pin (TXD), pin 4-DTR pin (DTR), pin 5-signal ground pin (SG), pin 6-DSR pin (DSR), the 7-request sends pin (RTS), 8-clear to send pin (CTS), 9, ring indication pin (RI), network interface has 8 pin, and the 1st pin is that to send anode pin (TX+), the 2nd pin be that to send negative terminal pin (TX-), the 3rd pin be that data receiver anode (RX+), the 4th pin are not that data receiver negative terminal (RX-), the 7th pin are not used with, the 8th pin with, the 6th pin with, the 5th pin to data to data.
The first embodiment
In conjunction with shown in Figure 1, the communication connection box in the present embodiment has first serial male, first serial female, second serial male and second serial female.Described communication connection box also is provided with first group of straight-through gate-controlled switch and first group of intersection gate-controlled switch, the pin of described first serial male and first serial female is connected with the pin of second serial male and second serial female is straight-through by first group of straight-through gate-controlled switch, and the pin of described first serial male and first serial female is by the pin cross connection of first group of intersection gate-controlled switch and second serial male and second serial female.
Further, described first serial male accept data pin, send data pin and signal ground pin respectively with the accepting data pin, send data pin and the signal ground pin connects one to one of first serial female; Described second serial male accept data pin, send data pin and signal ground pin respectively with the accepting data pin, send data pin and the signal ground pin connects one to one of second serial female; The accepting data pin, send data pin and signal ground pin accepting data pin, send data pin and signal ground pin and lead directly to and be connected by described first group of straight-through gate-controlled switch and described second serial male respectively of described first serial male; The accepting data pin and send data pin of described first serial male intersected the accepting data pin and sending the data pin cross connection of gate-controlled switch and described second serial male by described first group respectively.
Further, described first group of straight-through gate-controlled switch comprises the second gate-controlled switch K2, the 3rd gate-controlled switch K3 and the 5th gate-controlled switch K5; Described first group of intersection gate-controlled switch comprises a gate-controlled switch K2 ' and No. two gate-controlled switch K3 '.The data pin of accepting of first serial male is connected with the data pin of accepting of second serial male by the second gate-controlled switch K2, the data pin of sending of first serial male is connected with the data pin of sending of second serial male by the 3rd gate-controlled switch K3, and the signal ground pin of first serial male is connected with the signal ground pin of second serial male by the 5th gate-controlled switch K5.
The data pin of accepting of described first serial male also is connected with the data pin of sending of second serial male by a gate-controlled switch K2 ', and the data pin of sending of first serial male also is connected with the data pin of accepting of second serial male by No. two gate-controlled switch K3 '.
Above-described set-up mode is that 232 between serial ports connects, and intersects gate-controlled switch and can realize serial ports straight-through or cross connection each other by operating first group of straight-through gate-controlled switch and first group.as the second gate-controlled switch K2, the 3rd gate-controlled switch K3 and the 5th gate-controlled switch K5 are in closure state, when a gate-controlled switch K2 ' and No. two gate-controlled switch K3 ' are in off-state, in described serial ports, 2 pin of 2 pin of first serial male and first serial female and second serial male and second serial female are logical, 3 pin of 3 pin of first serial male and first serial female and second serial male and second serial female are logical, 5 pin of first serial male and first serial female 5 pin and second serial male and second serial female are logical, for straight-through connect between serial ports this moment, as the second gate-controlled switch K2, the 3rd gate-controlled switch K3 is in off-state, a gate-controlled switch K2 ', when No. two gate-controlled switch K3 ' and the 5th gate-controlled switch K5 are in closure state, in described serial ports, 3 pin of 2 pin of first serial male and first serial female and second serial male and second serial female are logical, 2 pin of 3 pin of first serial male and first serial female and second serial male and second serial female are logical, 5 pin of 5 pin of first serial male and first serial female and second serial male and second serial female are logical, realize cross connection between serial ports this moment, certainly, the serial ports pin of other except these three pins can connect each other, also can not connect.
Further preferably, the DTR pin of described first serial male and clear to send pin connect one to one with DTR pin and the clear to send pin of first serial female respectively; The DTR pin of described second serial male and clear to send pin connect one to one with DTR pin and the clear to send pin of second serial female respectively; The DTR pin of described first serial male and clear to send pin the DTR pin by described first group of straight-through gate-controlled switch and described second serial male and clear to send pin respectively lead directly to and are connected.
Described first group of straight-through gate-controlled switch also comprises the 4th gate-controlled switch K4 and the 8th gate-controlled switch K8, the DTR pin of first serial male is connected with the DTR pin of second serial male by the 4th gate-controlled switch K4, and the clear to send pin of first serial male sends pin by the 8th gate-controlled switch K8 with clearing data of second serial male and is connected.
This kind set-up mode can realize that 485 between serial ports connects, when the 4th gate-controlled switch K4 and the 8th gate-controlled switch K8 are in closure state, in described serial ports, 4 pin of 4 pin of first serial male and first serial female and second serial male and second serial female are logical, 8 pin of first serial male and first serial female lead to 8 pin of second serial male and second serial female, be 485 straight-through connections this moment between serial ports, this moment, the pin of the serial ports except this two pins did not connect each other, and there is not cross connection in 485 connections.
Preferably, control the annexation between other pins between serial ports for convenient, the carrier detect pin of described first serial male, DSR pin, request send that pin and ringring prompting pin send pin with carrier detect pin, DSR pin, the request of first serial female respectively and the ringring prompting pin connects one to one; The carrier detect pin of described second serial male, DSR pin, request send that pin and ringring prompting pin send pin with carrier detect pin, DSR pin, the request of second serial female respectively and the ringring prompting pin connects one to one.The carrier detect pin of described first serial male, DSR pin, carrier detect pin, DSR pin, request transmission pin and the ringring prompting pin of asking transmission pin and ringring prompting pin to pass through respectively first group of straight-through gate-controlled switch and first serial female lead directly to and are connected.
described first group of straight-through gate-controlled switch also comprises the first gate-controlled switch K1, the 6th gate-controlled switch K6, the 7th gate-controlled switch K7 and the 9th gate-controlled switch K9, the carrier detect pin of described first serial male is connected with the carrier detect pin of second serial male by the first gate-controlled switch K1, the DSR pin of first serial male is connected with the DSR pin of second serial male by the 6th gate-controlled switch K6, the request of first serial male sends pin and is connected with the request transmission pin of second serial male by the 7th gate-controlled switch K7, the ringring prompting pin of first serial male is connected with the ringring prompting pin of second serial male by the 9th gate-controlled switch K9.
In the present embodiment, by operating first group of straight-through gate-controlled switch and first group of intersection gate-controlled switch, can realize straight-through between two serial ports (male and male or male and female) or cross connection, the operation of having saved frequent thread-changing and having switched serial ports has improved work efficiency.
The second embodiment
As shown in Figure 2, the communication connection box in this enforcement comprises the 3rd a serial ports male, the 3rd a serial ports female, a network interface.Described communication connection box also is provided with second group of straight-through gate-controlled switch and second group of intersection gate-controlled switch, the pin of described the 3rd serial ports male and the 3rd serial ports female is connected with the pin of described network interface is straight-through by second group of straight-through gate-controlled switch, and the pin of described the 3rd serial ports male and the 3rd serial ports female is by the pin cross connection of second group of intersection gate-controlled switch and described network interface.Described communication connection box also is provided with serial ports and turns the USB module, and the pin of described the 3rd serial ports male and the 3rd serial ports female turns the USB module by serial ports and is connected with the pin of described USB.
Preferably, the carrier detect pin of the 3rd serial ports male, accept data pin, send data pin, DTR pin, signal ground pin, DSR pin, request send pin, clear to send pin and ringring prompting pin respectively with the carrier detect pin of the 3rd serial ports female, accept data pin, send data pin, DTR pin, signal ground pin, DSR pin, request send pin, clear to send pin and ringring prompting pin and connect one to one.
The 2nd pin of described network interface, the 3rd pin be accepting data pin, send data pin and lead directly to and be connected by second group of straight-through gate-controlled switch and the 3rd serial ports male respectively; The 2nd pin of described network interface, the 3rd pin intersect the accepting data pin, send the data pin cross connection of gate-controlled switch and the 3rd serial ports male by second group respectively.
A nearlyer step ground, described second group of straight-through gate-controlled switch comprises the tenth gate-controlled switch K10 and the 11 gate-controlled switch K11, described second group of intersection gate-controlled switch comprises No. three gate-controlled switch K10 ' and No. four gate-controlled switch K11 '.The 2nd pin of described network interface is connected with the data pin of accepting of the 3rd serial ports male by the tenth gate-controlled switch K10, and the 3rd pin of described network interface is connected with the data pin of sending of the 3rd serial ports male by the 11 gate-controlled switch K11; The 2nd pin of described network interface is connected with the data pin of sending of the 3rd serial ports male by No. three gate-controlled switches, and the 3rd pin of described network interface is connected with the data pin of accepting of the 3rd serial ports male by No. four gate-controlled switches.
In above technical scheme, when the tenth gate-controlled switch K10 and the 11 gate-controlled switch K11 are in closure state, when No. three gate-controlled switch K10 ' and No. four gate-controlled switch K11 ' are in off-state, the 2nd pin of the 3rd serial ports male and the 3rd serial ports female 2 pin and network interface is logical, the 3rd pin of the 3rd serial ports male and the 3rd serial ports female 3 pin and network interface is logical, this moment serial ports with network interface between be connected for leading directly to; When the tenth gate-controlled switch K10 and the 11 gate-controlled switch K11 are in off-state, when No. three gate-controlled switch K10 ' and No. four gate-controlled switch K11 ' are in closure state, the 3rd pin of the 3rd serial ports male and the 3rd serial ports female 2 pin and network interface is logical, the 2nd pin of the 3rd serial ports male and the 3rd serial ports female 3 pin and network interface is logical, and be cross connection this moment between serial ports and network interface; This moment, the 5th pin of described network interface also was in the signal ground pin of the 3rd serial ports male the state that is connected except this two pins.
Further, the pin of described USB interface by serial ports turn the USB module respectively with the carrier detect pin of the 3rd serial ports male, accept data pin, send data pin, DTR pin, signal ground pin, DSR pin, request send pin, clear to send pin and ringring prompting pin and be connected, and realizes communicating by letter of serial ports and USB interface.
In the present embodiment, by operating second group of straight-through gate-controlled switch and second group of intersection gate-controlled switch, can realize straight-through between serial ports and network interface or cross connection, this scheme also provides the communication path of serial ports and USB interface simultaneously, the operation of having saved frequent thread-changing and having switched serial ports has improved work efficiency.
The third embodiment
As shown in Figure 3, the present embodiment has increased again serial ports and has communicated by letter with the straight-through or cross connection of network interface on the basis of the communication connection box of the first embodiment, particularly, described communication connection box also has the 3rd serial ports male, the 3rd serial ports female and network interface except having first serial male, second serial male, first serial female and second serial female.
Communication connection mode between network interface and the 3rd serial ports male and the 3rd serial ports female adopts the connected mode in the second embodiment, can realize leading directly to or cross connection between network interface and the 3rd serial ports male and the 3rd serial ports female by operating the tenth gate-controlled switch K10, the 11 gate-controlled switch K11, No. three gate-controlled switch K10 ' and No. four gate-controlled switch K11 '.
In the present embodiment, by operating first group of straight-through gate-controlled switch, first group of intersection gate-controlled switch, second group of straight-through gate-controlled switch and second group of intersection gate-controlled switch, can realize straight-through between serial ports (male and male or male and female) or cross connection, straight-through or cross connection between serial ports and network interface, communication facilities is installed, in debugging and maintenance process, the operation of having saved frequent thread-changing and having switched serial ports has improved work efficiency.
The 4th kind of embodiment
As shown in Figure 4, the present embodiment is connected communication having increased again on the basis of the communication connection box of the first embodiment between serial ports and USB interface, particularly, described communication connection box also has the 3rd serial ports male, the 3rd serial ports female, USB interface and serial ports and turns the USB module except having first serial male, second serial male, first serial female and second serial female.
Communication connection mode between USB interface and the 3rd serial ports male and the 3rd serial ports female adopts the connected mode in the second embodiment, can realize communicating by letter between USB interface and the 3rd serial ports male and the 3rd serial ports female
In the present embodiment, by operate first group of straight-through gate-controlled switch, first group intersect gate-controlled switch, can realize leading directly to or cross connection between serial ports (male and male or male and female), can realize again simultaneously the communication that is connected between serial ports and USB interface, communication facilities is installed, in debugging and maintenance process, the operation of having saved frequent thread-changing and having switched serial ports has improved work efficiency.
The 5th kind of embodiment
As shown in Figure 5, the communication connection box that provides of the present embodiment is provided with first serial male, second serial male, the 3rd serial ports male, first serial female, second serial female, the 3rd serial ports female, network interface and USB interface;
Described communication connection box also is provided with first group of straight-through gate-controlled switch and first group of intersection gate-controlled switch, the pin of described first serial male and first serial female is connected with the pin of second serial male and second serial female is straight-through by first group of straight-through gate-controlled switch, and the pin of described first serial male and first serial female is by the pin cross connection of first group of intersection gate-controlled switch and second serial male and second serial female;
Described communication connection box also is provided with second group of straight-through gate-controlled switch and second group of intersection gate-controlled switch, the pin of described the 3rd serial ports male and the 3rd serial ports female is connected with the pin of described network interface is straight-through by second group of straight-through gate-controlled switch, and the pin of described the 3rd serial ports male and the 3rd serial ports female is by the pin cross connection of second group of intersection gate-controlled switch and described network interface;
Described communication connection box also is provided with serial ports and turns the USB module, and the pin of described the 3rd serial ports male and the 3rd serial ports female turns the USB module by serial ports and is connected with the pin of described USB.
In the present embodiment, the connection communication mode of communication connection box inside is the stack of the first embodiment and the second embodiment, specifically with reference to the first embodiment and the second embodiment.
In the present embodiment, not only can realize the communication that is connected between serial ports and USB interface, and intersect gate-controlled switch, second group of straight-through gate-controlled switch and second group by first group of straight-through gate-controlled switch of operation, first group and intersect gate-controlled switch, can realize straight-through between serial ports (male and male or male and female) or cross connection, straight-through or cross connection between serial ports and network interface, communication facilities is installed, in debugging and maintenance process, the operation of having saved frequent thread-changing and having switched serial ports has improved work efficiency.
The above is only preferred embodiment of the present utility model; not in order to limit the utility model; all any modifications of doing within spirit of the present utility model and principle, be equal to and replace and improvement etc., within all should being included in protection domain of the present utility model.
Claims (10)
1. communication connection box, it is characterized in that: described communication connection box is provided with first serial male, second serial male, the 3rd serial ports male, first serial female, second serial female, the 3rd serial ports female and network interface;
Described communication connection box also is provided with first group of straight-through gate-controlled switch and first group of intersection gate-controlled switch, the pin of described first serial male and first serial female is connected with the pin of second serial male and second serial female is straight-through by first group of straight-through gate-controlled switch, and the pin of described first serial male and first serial female is by the pin cross connection of first group of intersection gate-controlled switch and second serial male and second serial female;
Described communication connection box also is provided with second group of straight-through gate-controlled switch and second group of intersection gate-controlled switch, the pin of described the 3rd serial ports male and the 3rd serial ports female is connected with the pin of described network interface is straight-through by second group of straight-through gate-controlled switch, and the pin of described the 3rd serial ports male and the 3rd serial ports female is by the pin cross connection of second group of intersection gate-controlled switch and described network interface.
2. communication connection box according to claim 1 is characterized in that: described first serial male accept data pin, send data pin and signal ground pin respectively with the accepting data pin, send data pin and the signal ground pin connects one to one of first serial female; Described second serial male accept data pin, send data pin and signal ground pin respectively with the accepting data pin, send data pin and the signal ground pin connects one to one of second serial female;
The accepting data pin, send data pin and signal ground pin accepting data pin, send data pin and signal ground pin and lead directly to and be connected by described first group of straight-through gate-controlled switch and described second serial male respectively of described first serial male; The accepting data pin and send data pin of described first serial male intersected the accepting data pin and sending the data pin cross connection of gate-controlled switch and described second serial male by described first group respectively.
3. communication connection box according to claim 2 is characterized in that: described first group of straight-through gate-controlled switch comprises the second gate-controlled switch, the 3rd gate-controlled switch and the 5th gate-controlled switch; Described first group of intersection gate-controlled switch comprises a gate-controlled switch and No. two gate-controlled switches;
The data pin of accepting of first serial male is connected with the data pin of accepting of second serial male by the second gate-controlled switch, the data pin of sending of first serial male is connected with the data pin of sending of second serial male by the 3rd gate-controlled switch, and the signal ground pin of first serial male is connected with the signal ground pin of second serial male by the 5th gate-controlled switch;
The data pin of accepting of described first serial male also is connected with the data pin of sending of second serial male by a gate-controlled switch, and the data pin of sending of first serial male also is connected with the data pin of accepting of second serial male by No. two gate-controlled switches.
4. according to claim 2 or 3 described communication connection boxes is characterized in that: the DTR pin of described first serial male and clear to send pin connect one to one with DTR pin and the clear to send pin of first serial female respectively; The DTR pin of described second serial male and clear to send pin connect one to one with DTR pin and the clear to send pin of second serial female respectively;
The DTR pin of described first serial male and clear to send pin the DTR pin by described first group of straight-through gate-controlled switch and described second serial male and clear to send pin respectively lead directly to and are connected.
5. communication connection box according to claim 4, it is characterized in that: described first group of straight-through gate-controlled switch comprises the 4th gate-controlled switch and the 8th gate-controlled switch, the DTR pin of first serial male is connected with the DTR pin of second serial male by the 4th gate-controlled switch, and the clear to send pin of first serial male sends pin by the 8th gate-controlled switch with clearing data of second serial male and is connected.
6. communication connection box according to claim 5 is characterized in that: the carrier detect pin of described first serial male, DSR pin, request send that pin and ringring prompting pin send pin with carrier detect pin, DSR pin, the request of first serial female respectively and the ringring prompting pin connects one to one; The carrier detect pin of described second serial male, DSR pin, request send that pin and ringring prompting pin send pin with carrier detect pin, DSR pin, the request of second serial female respectively and the ringring prompting pin connects one to one;
The carrier detect pin of described first serial male, DSR pin, carrier detect pin, DSR pin, request transmission pin and the ringring prompting pin of asking transmission pin and ringring prompting pin to pass through respectively first group of straight-through gate-controlled switch and first serial female lead directly to and are connected.
7. communication connection box according to claim 6, it is characterized in that: described first group of straight-through gate-controlled switch also comprises the first gate-controlled switch, the 6th gate-controlled switch, the 7th gate-controlled switch and the 9th gate-controlled switch, the carrier detect pin of described first serial male is connected with the carrier detect pin of second serial male by the first gate-controlled switch, the DSR pin of first serial male is connected with the DSR pin of second serial male by the 6th gate-controlled switch, the request of first serial male sends pin and is connected with the request transmission pin of second serial male by the 7th gate-controlled switch, the ringring prompting pin of first serial male is connected with the ringring prompting pin of second serial male by the 9th gate-controlled switch.
8. communication connection box according to claim 7, it is characterized in that: the carrier detect pin of the 3rd serial ports male, accept data pin, send data pin, the DTR pin, the signal ground pin, the DSR pin, request sends pin, clear to send pin and ringring prompting pin respectively with the carrier detect pin of the 3rd serial ports female, accept data pin, send data pin, the DTR pin, the signal ground pin, the DSR pin, request sends pin, clear to send pin and ringring prompting pin connect one to one,
The 2nd pin of described network interface, the 3rd pin be accepting data pin, send data pin and lead directly to and be connected by second group of straight-through gate-controlled switch and the 3rd serial ports male respectively;
The 2nd pin of described network interface, the 3rd pin intersect the accepting data pin, send the data pin cross connection of gate-controlled switch and the 3rd serial ports male by second group respectively.
9. communication connection box according to claim 8 is characterized in that: described second group of straight-through gate-controlled switch comprises the tenth gate-controlled switch and the 11 gate-controlled switch, and described second group intersects gate-controlled switch and comprise No. three gate-controlled switches and No. four gate-controlled switches;
The 2nd pin of described network interface is connected by the data pin of accepting of the tenth gate-controlled switch with the 3rd serial ports male, and the 3rd pin of described network interface is connected by the data pin of sending of the 11 gate-controlled switch with the 3rd serial ports male;
The 3rd pin of described network interface is connected with the data pin of accepting of the 3rd serial ports male by No. three gate-controlled switches, and the 2nd pin of described network interface is connected with the data pin of sending of the 3rd serial ports male by No. four gate-controlled switches.
10. communication connection box according to claim 9, it is characterized in that: the 5th pin of described network interface is connected with the signal ground pin of the 3rd serial ports male.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320239925 CN203276267U (en) | 2013-05-06 | 2013-05-06 | Communication junction box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320239925 CN203276267U (en) | 2013-05-06 | 2013-05-06 | Communication junction box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203276267U true CN203276267U (en) | 2013-11-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320239925 Expired - Fee Related CN203276267U (en) | 2013-05-06 | 2013-05-06 | Communication junction box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203276267U (en) |
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2013
- 2013-05-06 CN CN 201320239925 patent/CN203276267U/en not_active Expired - Fee Related
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