CN101662116A - Jumper component of multi-pin serial port communication line and use method thereof - Google Patents
Jumper component of multi-pin serial port communication line and use method thereof Download PDFInfo
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- CN101662116A CN101662116A CN200910196447A CN200910196447A CN101662116A CN 101662116 A CN101662116 A CN 101662116A CN 200910196447 A CN200910196447 A CN 200910196447A CN 200910196447 A CN200910196447 A CN 200910196447A CN 101662116 A CN101662116 A CN 101662116A
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- jumper
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Abstract
The invention discloses a jumper component of a 9-pin serial port communication line and a use method thereof. The component comprises a main 9-core shielding line, a replaceable shielding line and ajumper connecting line, wherein two ends of the main 9-core shielding line are respectively connected with a 9-pin serial port female and a jumper holder for a computer; two 9-pin serial port femalesfor jumping lines, a flexible conductor of a male with a pin-shaped line connecting terminal and a serial port female for connecting the replaceable 9-core shielding line are respectively arranged onthe jumper holder; two ends of the replaceable 9-core shielding line are respectively connected with a 9-pin serial port male for the main 9-core shielding line and a 9-pin serial port male or femalefor equipment; and two ends of the flexible conductor of the jumper connecting line are respectively connected with the male with the pin-shaped line connecting terminal. The method comprises the following steps: selecting the replaceable shielding line; connecting the 9-pin serial port for connecting the replaceable 9-core shielding line on the jumper holder with the 9-pin serial port male of thereplaceable shielding line for connecting the main 9-core shielding line; jumping lines according to a jumper list for the jumper holder; and respectively connecting the lines to the computer and theequipment.
Description
Technical field
The present invention relates to Serial Port Line assembly and using method thereof, particularly a kind of jumper assemblies and using method thereof that is used for the spininess serial port communication line.
Background technology
At present, the wire jumper mode of one 9 needle serial port connection is fixed, and promptly a serial communication line can only carry out communication with the equipment of corresponding wire jumper mode.Need be with the commissioning device that comes of serial communication if having in the factory a lot, and the wire jumper mode is all different, so just needs many 9 needle serial port connections, can cause a lot of inconvenient parts like this., the serial port communication line of wire jumper arbitrarily is so just can only need just can connect the equipment of debugging with 9 needle serial port lines with one group of line.
Chinese patent publication number CN2773948 has disclosed a kind of nine needles serial port connection line socket, the both sides of socket respectively connect a connection that has the nine needles serial port interface, there is respectively the corresponding jack of connection with contiguous nine needles serial port interface the socket both sides, metal holder in the jack connects with corresponding connection, jack is other to indicate the figure notation corresponding with connection, and socket is furnished with the connecting line of two ends band plug.But in actual use, the modified line of this device is still loaded down with trivial details, can not reduce the processing time to equipment fault, influences operating efficiency.
In view of this, this area inventor has researched and developed a kind of jumper assemblies and using method thereof that is used for 9 needle serial port connections.
Summary of the invention
The objective of the invention is to, a kind of jumper component of multi-pin serial port communication line and using method thereof are provided, overcome the difficulty of prior art, make things convenient for wire jumper and be connected, reduce processing time, the purpose of increasing work efficiency equipment fault to reach.
The present invention adopts following technical scheme:
A kind of jumper component of multi-pin serial port communication line of the present invention comprises:
Main 9 core shielding conductors: 9 core shielding conductors, the one end is to connect computer with 9 needle serial port head females, other end jumper holders, on jumper holders, have respectively two wire jumpers with the flexible conductor of the male of 9 needle serial port head females, band aciculiform binding post be connected replaceable 9 core shielding conductors with serial ports head female.Wherein each wire jumper with each pins of 9 needle serial port head females respectively with the flexible conductor of its homonymy short circuit successively, and the wire size label is corresponding one by one on jumper holders.
Replaceable shielding conductor: 9 core shielding conductors, one end are to connect main 9 core shielding conductors with 9 needle serial port head males, and an end is a connection device with 9 needle serial port head male or females.
The wire jumper connecting line: the flexible conductor two ends connect aciculiform binding post male respectively.Aciculiform binding post male can be inserted wire jumper with 9 needle serial port head females.
Further, on the jumper holders short circuit with flexible conductor, wire jumper with 9 needle serial port head females, connect the wire size label of replaceable 9 core shielding conductors with 9 needle serial port head females and correspondence.
Further, short circuit is followed successively by 1 to 9 with flexible conductor and wire jumper with the numbering of 9 needle serial port head female pins number on jumper holders.
Further, 2.5 meters of described main multicore shielding line lengths, described short circuit is grown 7 centimetres with flexible conductor, and described wire jumper connects 10 centimetres of line lengths, 0.5 meter of described replaceable shielding line length.
Further, described short circuit flexible conductor is a flexible conductor.
The using method of a kind of jumper component of multi-pin serial port communication line of the present invention adopts above-mentioned jumper component of multi-pin serial port communication line, is used to connect computer and equipment, may further comprise the steps:
1) selects replaceable shielding conductor;
2) interconnect with 9 needle serial port head males with the master's 9 core shielding conductors that are connected of described replaceable shielding conductor with 9 needle serial port heads connecting replaceable 9 core shielding conductors on the jumper holders of described master's 9 core shielding conductors;
3) with end family expenses flexible conductor and wire jumper connecting line jumper holders is carried out wire jumper according to jumper list.
4) two ends with described jumper component of multi-pin serial port communication line are connected on described computer and the equipment.
Further, described step 1) comprises that selecting two ends on request all is that a male or an end are that male one end is the replaceable shielding conductor of female, and the master's 9 core shielding conductors that are connected that are used on the jumper holders with described master's 9 core shielding conductors connect with 9 needle serial port head males.
Further, described step 2) comprise requirement according to jumper list, and wire jumper on the jumper holders is carried out wire jumper with 9 needle serial port head females with reference to wire size label on the described jumper holders.
Owing to adopted above technology, the present invention has compared with prior art saved operation expense.If there are a variety of equipment that need communicate with 9 needle serial port connections in factory, just need many lines so now, if and, only need to reduce at the cost of buying on the Serial Port Line with once overlapping the needs that this line can satisfy all devices with multi-hop line mode 9 needle serial port connections.
Improved operating efficiency, now in the maintenance process of equipment, the attendant can put a lot of root 9 needle serial port connections together, and the outward appearance of 9 needle serial port lines is very similar, obscure easily, sometimes just need on equipment, try every Serial Port Line, reduce operating efficiency like this, prolong the accident processing time.
Also can deal with some burst devices troubleshootings, the plant maintenance personnel are during in the face of various and complex apparatus, and ignoring some sometimes need be with the equipment of serial communication, and do not remove to prepare the connection of these equipment.But in a single day these equipment break down, and in the time of need connecting with connection, the attendant just goes to buy or ew line of oneself welding, can spend long time like this.
Further specify the present invention below in conjunction with drawings and Examples.
Description of drawings
Fig. 1 is the structure chart of main multicore shielding line among the present invention;
Fig. 2 is the structure chart of replaceable shielding conductor among the present invention;
Fig. 3 is the structure chart of wire jumper connecting line among the present invention;
Fig. 4 is the man-machine interface OP77B of Siemens in the embodiment of the invention 1 and the connection layout that computer carries out serial communication;
Fig. 5 carries out the connection layout of serial communication for Schneider XBTGT series touch screen and PC serial port data line in the embodiment of the invention 2;
Fig. 6 carries out the connection layout of serial communication for Siemens OSM switch in the embodiment of the invention 3 and PC serial port data line;
Fig. 7 is the flow chart of the using method of jumper component of multi-pin serial port communication line of the present invention.
Reference numeral
A master's multicore shielding line
A1 connects computer with 9 needle serial port head females
The A3 jumper holders
A4 short circuit flexible conductor
A5 aciculiform binding post male
The A6 wire jumper is with 9 needle serial port head females
A7 connects replaceable 9 core shielding conductors with 9 needle serial port head females
A8 wire size label
The replaceable multicore shielding line of B
B1 connects main 9 core shielding conductors with 9 needle serial port head females
The B3 connection device is with 9 needle serial port head males
The B4 connection device is with 9 needle serial port head females
C wire jumper connecting line
The C1 flexible conductor
C2 aciculiform binding post male
Embodiment
Below by Fig. 1 to 7, introduce three kinds of specific embodiments of the present invention.
Shown in Fig. 1,2,3,4,7, a kind of jumper component of multi-pin serial port communication line of the present invention comprises:
Main 9 core shielding conductor A: referring to shown in Figure 1,9 core shielding conductor A2, the one end is to connect computer with 9 needle serial port head female A1, other end jumper holders A3, on jumper holders A3, have respectively two wire jumpers with the flexible conductor A4 of the male A5 of 9 needle serial port head female A6, band aciculiform binding post be connected replaceable 9 core shielding conductors with serial ports head female A7.Wherein each wire jumper with each pin of 9 needle serial port head female A6 respectively with the flexible conductor A4 of its homonymy short circuit successively, and wire size label A 8 is corresponding one by one on jumper holders.Aciculiform binding post male A5 can insert wire jumper with 9 needle serial port head female A6.
Replaceable shielding conductor B: referring to shown in Figure 2,9 core shielding conductor B2, one end connect main 9 core shielding conductors with 9 needle serial port head male B1, and an end is a connection device with 9 needle serial port head male B3 or female B4.
The wire jumper connecting line: referring to shown in Figure 3, flexible conductor C1 two ends meet aciculiform binding post male C2 respectively.Aciculiform binding post male C2 can insert wire jumper with 9 needle serial port head female A6.
Every described flexible conductor A4 is provided with corresponding wire size label A 8, so that the user looks for line, has saved the time of looking for line.
The wire size label A 8 of the flexible conductor of A3 is identical with the pin number of 9 needle serial port head female A6 correspondences with wire jumper on the described jumper holders, significantly reduces the time of the wire jumper of knowing clearly so in actual use, has improved operating efficiency.
Long 2.5 meters of the 9 core shielding conductor A2 of described master 9 core shielding conductor A, long 7 centimetres of described flexible conductor A4, long 0.5 meter of the 9 core shielding conductor B2 of described replaceable shielding conductor B use these group length data in the actual use of present embodiment, also can change the wherein length of free-throw line by actual needs.
Described flexible conductor A4 has prolonged useful life, and the also easier attended operation of flexible cord.
It is as follows that the man-machine interface OP77B of the Siemens in the present embodiment and computer carry out the jumper list of serial communication:
So the jumper holders A3 of the master 9 core shielding conductor A of present embodiment goes up wire jumper such as Fig. 4 state connects.
As shown in Figure 7, the using method of a kind of jumper component of multi-pin serial port communication line of the present invention adopts above-mentioned jumper component of multi-pin serial port communication line, is used to connect computer and equipment, may further comprise the steps:
1) selecting two all is the replaceable shielding conductor B of male;
2) the connection master 9 core shielding conductors of replaceable shielding conductor B are inserted in jumper holders A3 with 9 needle serial port head male B1 and connect replaceable 9 core shielding conductors with on the 9 needle serial port head female A7;
3) man-machine interface OP77B and the computer according to Siemens carries out the requirement of the jumper list of serial communication, and the pin of described wire jumper with 9 needle serial port head female A6 correspondences connected successively with wire jumper connecting line C with reference to the wire size of the last wire jumper of described jumper holders A3 with 9 needle serial port head female A6;
4) two ends with described jumper component of multi-pin serial port communication line are connected on the communication serial ports of described computer and equipment, and the software of opening on the computer can carry out communication.
Shown in Fig. 1,2,3,5,7, a kind of jumper component of multi-pin serial port communication line of the present invention comprises:
Main 9 core shielding conductor A: referring to shown in Figure 1,9 core shielding conductor A2, the one end is to connect computer with 9 needle serial port head female A1, other end jumper holders A3, on jumper holders A3, have respectively two wire jumpers with the flexible conductor A4 of the male A5 of 9 needle serial port head female A6, band aciculiform binding post be connected replaceable 9 core shielding conductors with serial ports head female A7.Wherein each wire jumper with each pin of 9 needle serial port head female A6 respectively with the flexible conductor A4 of its homonymy short circuit successively, and wire size label A 8 is corresponding one by one on jumper holders.Aciculiform binding post male A5 can insert wire jumper with 9 needle serial port head female A6.
Replaceable shielding conductor B: referring to shown in Figure 2,9 core shielding conductor B2, one end connect main 9 core shielding conductors with 9 needle serial port head male B1, and an end is a connection device with 9 needle serial port head male B3 or female B4.
The wire jumper connecting line: referring to shown in Figure 3, flexible conductor C1 two ends meet aciculiform binding post male C2 respectively.Aciculiform binding post male C2 can insert wire jumper with 9 needle serial port head female A6.
Every described flexible conductor A4 is provided with corresponding wire size label A 8, so that the user looks for line, has saved the time of looking for line.
The wire size label A 8 of the flexible conductor of A3 is identical with the pin number of 9 needle serial port head female A6 correspondences with wire jumper on the described jumper holders, significantly reduces the time of the wire jumper of knowing clearly so in actual use, has improved operating efficiency.
Long 2.5 meters of the 9 core shielding conductor A2 of described master 9 core shielding conductor A, long 7 centimetres of described flexible conductor A4, long 0.5 meter of the 9 core shielding conductor B2 of described replaceable shielding conductor B use these group length data in the actual use of present embodiment, also can change the wherein length of free-throw line by actual needs.
Described flexible conductor A4 has prolonged useful life, and the also easier attended operation of flexible cord.
Schneider XBTGT series touch screen and PC serial port data line jumper list in the present embodiment are as follows:
So the jumper holders A3 of the master 9 core shielding conductor A of present embodiment goes up wire jumper such as Fig. 5 state connects.
As shown in Figure 7, the using method of a kind of jumper component of multi-pin serial port communication line of the present invention adopts above-mentioned jumper component of multi-pin serial port communication line, is used to connect computer and equipment, may further comprise the steps:
1) selecting two all is the replaceable shielding conductor B of male;
2) the connection master 9 core shielding conductors of replaceable shielding conductor B are inserted in jumper holders A3 with 9 needle serial port head male B1 and connect replaceable 9 core shielding conductors with on the 9 needle serial port head female A7;
3) carry out corresponding be connected with wire jumper connecting line C with flexible conductor A4 with the wire size of 9 needle serial port head female A6 according to of the requirement of Schneider XBTGT series touch screen, and with reference to wire jumper on the described jumper holders A3 with PC serial port data line jumper list;
Its method of operation is identical with a last example substantially, difference is in Schneider XBTGT series touch screen and the PC serial port data line jumper list shorting stub to be arranged, to lead 6,7,9 core short circuits of 9 core shielding conductors of 9 core shielding conductors with flexible conductor A4 with short circuit, with 6,7,9 core short circuits of 9 core shielding conductors of replaceable 9 core shielding conductors;
4) two ends with described jumper component of multi-pin serial port communication line are connected on the communication serial ports of described computer and equipment, and the software of opening on the computer can carry out communication.
Shown in Fig. 1,2,3,6,7, a kind of jumper component of multi-pin serial port communication line of the present invention comprises:
Main 9 core shielding conductor A: referring to shown in Figure 1,9 core shielding conductor A2, the one end is to connect computer with 9 needle serial port head female A1, other end jumper holders A3, on jumper holders A3, have respectively two wire jumpers with the flexible conductor A4 of the male A5 of 9 needle serial port head female A6, band aciculiform binding post be connected replaceable 9 core shielding conductors with serial ports head female A7.Wherein each wire jumper with each pin of 9 needle serial port head female A6 respectively with the flexible conductor A4 of its homonymy short circuit successively, and wire size label A 8 is corresponding one by one on jumper holders.Aciculiform binding post male A5 can insert wire jumper with 9 needle serial port head female A6.
Replaceable shielding conductor B: referring to shown in Figure 2,9 core shielding conductor B2, one end connect main 9 core shielding conductors with 9 needle serial port head male B1, and an end is a connection device with 9 needle serial port head male B3 or female B4.
The wire jumper connecting line: referring to shown in Figure 3, flexible conductor C1 two ends meet aciculiform binding post male C2 respectively.Aciculiform binding post male C2 can insert wire jumper with 9 needle serial port head female A6.
Every described flexible conductor A4 is provided with corresponding wire size label A 8, so that the user looks for line, has saved the time of looking for line.
The wire size label A 8 of the flexible conductor of A3 is identical with the pin number of 9 needle serial port head female A6 correspondences with wire jumper on the described jumper holders, significantly reduces the time of the wire jumper of knowing clearly so in actual use, has improved operating efficiency.
Long 2.5 meters of the 9 core shielding conductor A2 of described master 9 core shielding conductor A, long 7 centimetres of described flexible conductor A4, long 0.5 meter of the 9 core shielding conductor B2 of described replaceable shielding conductor B use these group length data in the actual use of present embodiment, also can change the wherein length of free-throw line by actual needs.
Described flexible conductor A4 has prolonged useful life, and the also easier attended operation of flexible cord.
Siemens OSM switch and PC serial port data line jumper list in the present embodiment are as follows:
So the multicore shielding line 5 of present embodiment is connected as Fig. 6 state with replaceable shielding conductor 6.
As shown in Figure 7, the using method of a kind of jumper component of multi-pin serial port communication line of the present invention adopts above-mentioned jumper component of multi-pin serial port communication line, is used to connect computer and equipment, may further comprise the steps:
1) selecting an end is that male one end is the replaceable shielding conductor B of female, and difference from Example 1 is to be in the selection of replaceable shielding conductor B;
2) the connection master 9 core shielding conductors of replaceable shielding conductor B are inserted in jumper holders A3 with 9 needle serial port head male B1 and connect replaceable 9 core shielding conductors with on the 9 needle serial port head female A7;
3), and go up wire jumper with reference to described jumper holders A3 and with wire jumper connecting line C the pin of described wire jumper with 9 needle serial port head female A6 correspondences connected successively with the wire size of 9 needle serial port head female A6 according to the requirement of Siemens OSM switch and PC serial port data line jumper list;
4) two ends with described jumper component of multi-pin serial port communication line are connected on the communication serial ports of described computer and equipment, and the software of opening on the computer can carry out communication.
In summary, the present invention compared with prior art, saved operation expense, if there are a variety of equipment that need communicate with 9 needle serial port connections in factory, just need many lines so now, if and, only need to reduce at the cost of buying on the Serial Port Line with once overlapping the needs that this line can satisfy all devices with multi-hop line mode 9 needle serial port connections.Improved operating efficiency, now in the maintenance process of equipment, the attendant can put a lot of root 9 needle serial port connections together, and the outward appearance of 9 needle serial port lines is very similar, obscure easily, sometimes just need on equipment, try every Serial Port Line, reduce operating efficiency like this, prolong the accident processing time.Also can deal with some burst devices troubleshootings, the plant maintenance personnel are during in the face of various and complex apparatus, and ignoring some sometimes need be with the equipment of serial communication, and do not remove to prepare the connection of these equipment.But in a single day these equipment break down, and in the time of need connecting with connection, the attendant just goes to buy or ew line of oneself welding, can spend long time like this.
Above-described embodiment only is used to illustrate technological thought of the present invention and characteristics, its purpose is to make those skilled in the art can understand content of the present invention and implements according to this, can not only limit claim of the present invention with present embodiment, be all equal variation or modifications of doing according to disclosed spirit, still drop in the claim of the present invention.
Claims (8)
1, a kind of jumper component of multi-pin serial port communication line is characterized in that comprising:
Main 9 core shielding conductors (A): 9 core shielding conductors (A2), the one end is to connect computer with 9 needle serial port head females (A1), other end jumper holders (A3) has two wire jumpers respectively with the flexible conductor (A4) of the male (A5) of 9 needle serial port head females (A6), band aciculiform binding post be connected replaceable 9 core shielding conductors usefulness serial ports head female (A7) on jumper holders (A3).Wherein each wire jumper with each pins of 9 needle serial port head females (A6) respectively with the flexible conductor (A4) of its homonymy short circuit successively, and wire size label (A8) is corresponding one by one on jumper holders.
Replaceable shielding conductor (B): 9 core shielding conductors (B2), one end are to connect main 9 core shielding conductors with 9 needle serial port head males (B1), and an end is a connection device with 9 needle serial port head males (B3) or female (B4).
The wire jumper connecting line: flexible conductor (C1) two ends connect aciculiform binding post male (C2) respectively.Aciculiform binding post male (C2) can be inserted wire jumper with 9 needle serial port head females (A6).
2, jumper component of multi-pin serial port communication line jumper holders according to claim 1 is characterized in that: on the jumper holders short circuit with flexible conductor (A4), wire jumper with 9 needle serial port head females (A6), connect the wire size label (A8) of replaceable 9 core shielding conductors with 9 needle serial port head females (A7) and correspondence.
3,9 needle serial port connection jumper assemblies according to claim 2 is characterized in that: go up short circuit at jumper holders (A3) and be followed successively by 1 to 9 with flexible conductor (A4) and wire jumper with the numbering of 9 needle serial port head female (A6) pins number.
4, jumper component of multi-pin serial port communication line according to claim 3, it is characterized in that: long 2.5 meters of described main multicore shielding line (A), long 7 centimetres of flexible conductor (A4) of described short circuit, long 10 centimetres of described wire jumper connecting line (C), long 0.5 meter of described replaceable shielding conductor (B).
5, jumper component of multi-pin serial port communication line according to claim 4 is characterized in that: described short circuit is a flexible conductor with flexible conductor (A4).
6, a kind of using method of jumper component of multi-pin serial port communication line adopts as arbitrary described jumper component of multi-pin serial port communication line in the claim 1 to 5, is used to connect computer and equipment, it is characterized in that may further comprise the steps:
1) selects replaceable shielding conductor (B);
2) jumper holders (A3) of described master's 9 core shielding conductors being gone up the replaceable 9 core shielding conductors of connection interconnects with 9 needle serial port head males (B1) with the master's 9 core shielding conductors that are connected of described replaceable shielding conductor (B) with 9 needle serial port heads (A7);
3) with end family expenses flexible conductors (A4) and wire jumper connecting line (C) jumper holders (A3) is carried out wire jumper according to jumper list.
4) two ends with described jumper component of multi-pin serial port communication line are connected on described computer and the equipment.
7, the using method of jumper component of multi-pin serial port communication line according to claim 6, it is characterized in that: described step 1) comprises that selecting two ends on request all is that a male or an end are that male one end is the replaceable shielding conductor (B) of female, and the master's 9 core shielding conductors that are connected that are used on the jumper holders (A3) with described master's 9 core shielding conductors connect with 9 needle serial port head males (A7).
8, the using method of jumper component of multi-pin serial port communication line according to claim 7, it is characterized in that: described step 2) comprise requirement, and wire jumper on the jumper holders is carried out wire jumper with 9 needle serial port head females (A6) with reference to wire size label (A8) on the described jumper holders according to jumper list.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910196447.XA CN101662116B (en) | 2009-09-25 | 2009-09-25 | Jumper component of multi-pin serial port communication line and use method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910196447.XA CN101662116B (en) | 2009-09-25 | 2009-09-25 | Jumper component of multi-pin serial port communication line and use method thereof |
Publications (2)
| Publication Number | Publication Date |
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| CN101662116A true CN101662116A (en) | 2010-03-03 |
| CN101662116B CN101662116B (en) | 2015-01-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200910196447.XA Active CN101662116B (en) | 2009-09-25 | 2009-09-25 | Jumper component of multi-pin serial port communication line and use method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104218413A (en) * | 2014-07-16 | 2014-12-17 | 浙江万马股份有限公司 | Universal PLC (programmable logic controller) communication cable assembly with jumper adapter |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2562447Y (en) * | 2002-04-26 | 2003-07-23 | 华为技术有限公司 | Elongated cable wire |
| CN2773948Y (en) * | 2005-03-16 | 2006-04-19 | 长春供电公司电气安装试验中心 | Series connecting socket with 9 needles for communication line |
| CN201256233Y (en) * | 2008-06-27 | 2009-06-10 | 研祥智能科技股份有限公司 | Serial port test connector |
-
2009
- 2009-09-25 CN CN200910196447.XA patent/CN101662116B/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104218413A (en) * | 2014-07-16 | 2014-12-17 | 浙江万马股份有限公司 | Universal PLC (programmable logic controller) communication cable assembly with jumper adapter |
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| CN101662116B (en) | 2015-01-21 |
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