CN103168427A - E1 signal transmission line, e1 signal sending device and receiving device - Google Patents
E1 signal transmission line, e1 signal sending device and receiving device Download PDFInfo
- Publication number
- CN103168427A CN103168427A CN2011800027371A CN201180002737A CN103168427A CN 103168427 A CN103168427 A CN 103168427A CN 2011800027371 A CN2011800027371 A CN 2011800027371A CN 201180002737 A CN201180002737 A CN 201180002737A CN 103168427 A CN103168427 A CN 103168427A
- Authority
- CN
- China
- Prior art keywords
- signal transmssion
- transmssion lines
- signal
- terminal
- signals
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M19/00—Current supply arrangements for telephone systems
- H04M19/001—Current supply source at the exchanger providing current to substations
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H1/00—Constructional details of impedance networks whose electrical mode of operation is not specified or applicable to more than one type of network
- H03H1/0007—Constructional details of impedance networks whose electrical mode of operation is not specified or applicable to more than one type of network of radio frequency interference filters
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
- Insulated Conductors (AREA)
- Dc Digital Transmission (AREA)
Abstract
Provided in an embodiment of the present invention are an E1 signal transmission line, an E1 signal sending device and a receiving device. The E1 signal transmission line comprises a sending terminal and a receiving terminal; the sending terminal and the receiving terminal respectively comprise a positive wire and a negative wire; and the negative wire of the sending terminal of the E1 signal transmission line is grounded through a capacitor. In the present invention, grounding the central tap of the transformer in the E1 signal transmission line, or the E1 signal sending device, or the E1 signal receiving device can achieve the objective of anti-interference. The grounding treatment mode in the present invention neither distinguishes a 75 ohmic resistance of coaxial cable from a 120 ohmic resistance of twisted-pair cable, nor distinguishes a 75-ohm of veneer from a 120-ohm of veneer. Therefore, the design of the veneers can be unified, the cost for manufacturing and installation is reduced, the normal transmission of signals is ensured, and error code or link disconnection is avoided.
Description
A kind of El signal transmssion lines, El sender units and reception device technical field
The present invention relates to a kind of network equipment of communication technical field, more particularly to a kind of E1 signal transmssion lines, E1 sender units and reception device.Background technology
E1 signals are a kind of communication signal transmissions modes that International Telecommunication Association ITU-T recommends, and are used widely in data communications equipment.The electric interfaces of E1 signals meet synchrodata system electrical interface physical characteristic ITU-T G703 (2001,11)<( Physical/ electrical characterstics of hierarchical digital interfaces》Suggestion, frame structure meets the suggestions of ITU-T G.704.The speed of E1 signals transmission is 2048kbit/s, and a pair of reception lines are included in physical connection（Receiving terminal）With a pair of transmission lines（Transmitting terminal）.E1 signals have two kinds of line impedance matching ways, and one kind is 75 ohmages, and signal transmission is carried out using coaxial cable；One kind is 120 ohmages, and signal transmission is carried out using symmetrical pair cable.
In the prior art, the twisted pair wire of coaxial cable and 120 ohmages both E1 signal transmission forms for 75 ohmages are physically not carried out unification, therefore there are two states in single board design, a kind of is the veneer of 75 ohmages, and a kind of is the veneer of 120 ohmages.Because veneer can not be unified in hardware design, production and in-site installation are complicated, and need two sets of codings to be produced and managed, and add cost；If the cable matched with veneer uses mistake, for example, the veneer of 75 ohmages is matched with the pair cable of 120 ohmages, signal will be caused to transmit abnormal, E1 transmission lines will appear from error code or chain rupture.The content of the invention
Technical problem to be solved of the embodiment of the present invention is：A kind of E1 signal transmssion lines are provided, E1 sender units and reception device, it all uses identical earthing mode to avoid interference for the coaxial cable of 75 ohmages and the twisted pair wire of 120 ohmages, and the design to veneer may not necessarily consider two kinds of different cables, unified design can be carried out, error code or chain rupture occurs to reduce single board design cost and to avoid E1 from transmitting signal.
In order to solve the above-mentioned technical problem, the technical scheme is that this realization：
A kind of E1 signal transmssion lines, it includes transmitting terminal and receiving terminal, and its transmitting terminal and receiving terminal are included just
Polar curve and negative line, the negative line of the transmitting terminal of the El signal transmssion lines pass through capacity earth.
A kind of E1 sender units, including：E1 veneers and the E1 signal transmssion lines for transmitting E1 signals between E1 signal receiving devices；
The transmitting terminal of the E1 signal transmssion lines is connected with the E1 sender units, and including electrode line and negative line；The negative line of the transmitting terminal of the E1 signal transmssion lines passes through capacity earth.
A kind of E1 signal receiving devices, including：E1 veneers and the E1 signal transmssion lines for transmitting E1 signals between E1 sender units；
The receiving terminal of the E1 signal transmssion lines is connected with the E1 signal receiving devices, and including electrode line and negative line；The negative line of the receiving terminal of the E1 signal transmssion lines passes through capacity earth.
Another E1 sender unit, transmits E1 signals, it includes between the E1 sender units and E1 signal receiving devices by E1 signal transmssion lines：E1 veneers and transformer, the E1 signal transmssion lines are wound primary coil and secondary coil on the magnetic core of the transformer, the centre cap of the primary coil of the transformer connects an electric capacity, the earth terminal that the centre cap passes through the capacitance connection to the E1 veneers.
Another E1 signal receiving device, transmits E1 signals, it includes between the E1 signal receiving devices and E1 sender units by E1 signal transmssion lines：E1 veneers and transformer, the E1 signal transmssion lines are wound primary coil and secondary coil on the magnetic core of the transformer, the centre cap of the primary coil of the transformer connects an electric capacity, the earth terminal that the centre cap passes through the capacitance connection to the E1 veneers.
Implement the present invention, have the advantages that：
In the present invention, to the centre tapped grounding of the transformer in E1 signal transmssion lines or E1 sender units or E1 signal receiving devices,（Grounding only can be carried out to transmitting terminal, can also all carry out grounding to transmitting terminal and receiving terminal) jamproof purpose can be reached.
Grounding mode in the present invention does not differentiate between the coaxial cable of 75 ohmages and the pair cable of 120 ohmages, 75 ohm of veneer and 120 ohm of veneer is not differentiated between yet, therefore the design for veneer can unitize, reduce production and installation cost, and it can ensure that signal transmission is normal, error code or chain rupture can be avoided.Brief description of the drawings
The accompanying drawing used required in example or description of the prior art is made cylinder and singly introduced, apparently, drawings in the following description are only some embodiments of the present invention, for those of ordinary skill in the art, without having to pay creative labor, other accompanying drawings can also be obtained according to these accompanying drawings.
A kind of composition schematic diagram for E1 signal transmssion lines embodiment one that Fig. 1 provides for the present invention；
The electrode line and a schematic diagram of negative line for the E1 signal transmssion lines that Fig. 2 provides for the present invention；The electrode line and the another schematic diagram of negative line for the E1 signal transmssion lines that Fig. 3 provides for the present invention；A kind of composition schematic diagram for E1 signal transmssion lines embodiment two that Fig. 4 provides for the present invention；
A kind of composition schematic diagram for E1 signal transmssion lines embodiment three that Fig. 5 provides for the present invention；
A kind of composition schematic diagram for E1 signal transmssion lines example IV that Fig. 6 provides for the present invention；
A kind of composition schematic diagram for E1 signal transmssion lines embodiment five that Fig. 7 provides for the present invention；
A kind of composition schematic diagram for E1 signal transmssion lines embodiment six that Fig. 8 provides for the present invention；
A kind of composition schematic diagram for E1 signal transmssion lines embodiment seven that Fig. 9 provides for the present invention；
A kind of composition schematic diagram for E1 signal transmssion lines embodiment eight that Figure 10 provides for the present invention；A kind of composition schematic diagram for E1 sender units embodiment one that Figure 11 provides for the present invention；A kind of composition schematic diagram for E1 signal receiving devices embodiment one that Figure 12 provides for the present invention；A kind of composition schematic diagram for E1 sender units embodiment two that Figure 13 provides for the present invention；A kind of composition schematic diagram for E1 signal receiving devices embodiment two that Figure 14 provides for the present invention.Embodiment
The embodiment to the present invention is illustrated below in conjunction with the accompanying drawings.
In the embodiment of the present invention, in order to avoid E1 signal transmssion lines produce interference, a kind of mode is for E1 signal transmssion lines（The twisted pair wire of the coaxial cable of 75 ohmages or 120 ohmages）Unified processing mode is all taken, the negative line of E1 signal transmssion line transmitting terminals is also passed through into capacity earth.Another way is that the negative line of the transmitting terminal of E1 signal transmssion lines and receiving terminal is passed through into capacity earth.In E1 sender units and/or E1 signal receiving devices, by the negative line of E1 signal transmssion lines by electric capacity and the earth terminal of veneer, either the earth terminal of frame or the earth terminal of subrack are attached, you can realize that negative line is grounded.
Another sunset is foretold, for E1 sender units and E1 signal receiving devices, grounding can not also be carried out to E1 signal transmssion lines, but by E1 sender units, or E1 sender units can also be reached E1 sender units or E1 sender units together with E1 signal receiving devices together with an electric capacity is connected between the centre cap of the primary coil of the transformer in E1 signal receiving devices and the earth terminal of veneer
It is grounded.
Above two mode provided in an embodiment of the present invention, the design of veneer is all without the concern for different types of
E1 signal transmssion lines, take the mode of Uniting, can reach jamproof purpose, signal transmission errors are avoided that again, error code or chain rupture occur.
The implementation process of the embodiment of the present invention will be described in detail below.
Referring to Fig. 1, a kind of composition schematic diagram of the E1 signal transmssion lines embodiment one provided for the present invention.A kind of E1 signal transmssion lines that this implementation is provided, it includes transmitting terminal Tx and receiving terminal Rx, its transmitting terminal Tx and receiving terminal Rx include electrode line A and negative line B, and the transmitting terminal Tx of E1 signal transmssion lines negative line B is grounded by electric capacity 10.
E1 signal transmssion lines in the present embodiment are the coaxial cable of 75 ohmages of transmission E1 signals；Or the pair cable of 120 ohmages for transmission E1 signals.
Fig. 2 and Fig. 3 are referred to, what Fig. 2 was represented is the electrode line and the schematic diagram of negative line for the coaxial cable that E1 signal transmssion lines are 75 ohmages.What Fig. 3 was represented is the electrode line and the schematic diagram of negative line for the pair cable that E1 signal transmssion lines are 120 ohmages.
Generally represented in the receiving terminal Rx of E1 signal transmssion lines, electrode line A with TIP or tip or Tip, it represents the cored wire or anode of E1 signal transmssion lines, can also use symbol "+, represent；Negative line B generally represents that it represents the outer layer or negative terminal of E1 signal transmssion lines with RING or ring or Ring, can also be represented with symbol "-".Conversely, generally being represented in transmitting terminal Tx, electrode line A with RING or ring or Ring, it represents the cored wire or anode of E1 signal transmssion lines, can also use symbol "+, represent；Negative line B generally represents that it represents the outer layer or negative terminal of E1 signal transmssion lines with TIP or tip or Tip, can also be represented with symbol "-".
Referring to Fig. 4, a kind of composition schematic diagram of the E1 signal transmssion lines embodiment two provided for the present invention.A kind of E1 signal transmssion lines that this implementation is provided, it includes transmitting terminal Tx and receiving terminal Rx, its transmitting terminal Tx and receiving terminal Rx include electrode line A and negative line B, the transmitting terminal Tx of E1 signal transmssion lines negative line B (tip) is grounded by electric capacity 10, meanwhile, the receiving terminal Rx of E1 signal transmssion lines negative line B (ring) is grounded by electric capacity 20.
Referring to Fig. 5, a kind of composition schematic diagram of the E1 signal transmssion lines embodiment three provided for the present invention.A kind of E1 signal transmssion lines that this implementation is provided, it includes transmitting terminal Tx and receiving terminal Rx, and its transmitting terminal Tx and receiving terminal Rx include electrode line A and negative line B.
In the present embodiment, in transmitting terminal Tx, the El signal transmssion lines enter at the metal decking of El veneers,
The negative line B (tip) of the El signal transmssion lines is connected by electric capacity 10 with the earth terminal of E1 veneers.Referring to Fig. 6, a kind of composition schematic diagram of the E1 signal transmssion lines example IV provided for the present invention.A kind of E1 signal transmssion lines that this implementation is provided, it includes transmitting terminal Tx and receiving terminal Rx, and its transmitting terminal Tx and receiving terminal Rx include electrode line A and negative line B.
In the present embodiment, in transmitting terminal Tx, the El signal transmssion lines enter at the metal decking of El veneers, and the negative line B (tip) of the E1 signal transmssion lines is connected by electric capacity 10 with the earth terminal of E1 veneers；Meanwhile, in receiving terminal Rx, the El signal transmssion lines enter at the metal decking of El veneers, and the negative line B (ring) of the E1 signal transmssion lines is connected by electric capacity 20 with the earth terminal of E1 veneers.
Referring to Fig. 7, a kind of composition schematic diagram of the E1 signal transmssion lines embodiment five provided for the present invention.A kind of E1 signal transmssion lines that this implementation is provided, it includes transmitting terminal Tx and receiving terminal Rx, and its transmitting terminal Tx and receiving terminal Rx include electrode line A and negative line B.
In the present embodiment, in transmitting terminal Tx, the El signal transmssion lines enter at frame, and the negative line B (tip) of the E1 signal transmssion lines is connected by electric capacity 10 with the earth terminal of frame.
Referring to Fig. 8, a kind of composition schematic diagram of the E1 signal transmssion lines embodiment six provided for the present invention.A kind of E1 signal transmssion lines that this implementation is provided, it includes transmitting terminal Tx and receiving terminal Rx, and its transmitting terminal Tx and receiving terminal Rx include electrode line A and negative line B.
In the present embodiment, in transmitting terminal Tx, the El signal transmssion lines enter at frame, and the negative line B (tip) of the E1 signal transmssion lines is connected by electric capacity 10 with the earth terminal of frame.
Meanwhile, in receiving terminal Rx, the El signal transmssion lines enter at subrack, and the negative line B (ring) of the E1 signal transmssion lines is connected by electric capacity 20 with the earth terminal of frame.
Referring to Fig. 9, a kind of composition schematic diagram of the E1 signal transmssion lines embodiment seven provided for the present invention.A kind of E1 signal transmssion lines that this implementation is provided, it includes transmitting terminal Tx and receiving terminal Rx, and its transmitting terminal Tx and receiving terminal Rx include electrode line A and negative line B.
In the present embodiment, in transmitting terminal Tx, the El signal transmssion lines enter at frame, and the negative line B (tip) of the E1 signal transmssion lines is connected by electric capacity 10 with the earth terminal of subrack.
Referring to Figure 10, a kind of composition schematic diagram of the E1 signal transmssion lines embodiment eight provided for the present invention.A kind of E1 signal transmssion lines that this implementation is provided, it includes transmitting terminal Tx and receiving terminal Rx, and its transmitting terminal Tx and receiving terminal Rx include electrode line A and negative line B.
In the present embodiment, in transmitting terminal Tx, the El signal transmssion lines enter at frame, and the negative line B (tip) of the E1 signal transmssion lines is connected by electric capacity 10 with the earth terminal of subrack.
Meanwhile, in receiving terminal Rx, the El signal transmssion lines enter at subrack, and the negative line B (ring) of the E1 signal transmssion lines is connected by electric capacity 20 with the earth terminal of subrack.
Referring to Figure 11, a kind of composition schematic diagram of the E1 sender units embodiment one provided for the present invention.The E1 sender units 1 that this implementation is provided, including：
E1 veneers 11, and for E1 signal receiving devices（It is not shown）Between transmit E1 signal E1 signal transmssion lines；Alternatively, the E1 sender units 1 also include transformer 12.
The transmitting terminal Tx of the E1 signal transmssion lines is connected with the E1 sender units 1, and including electrode line Α and negative line B;The transmitting terminal Tx of E1 signal transmssion lines negative line B (tip) is connected by electric capacity 10 with the earth terminal of E1 veneers 11.
E1 signal transmssion lines in the present embodiment are the coaxial cable of 75 ohmages of transmission E1 signals；Or the pair cable of 120 ohmages for transmission E1 signals.
Referring to Figure 12, a kind of composition schematic diagram of the E1 signal receiving devices embodiment one provided for the present invention.The E1 sender units 2 that this implementation is provided, including：
E1 veneers 21, and for transmitting E1 signal E1 signal transmssion lines between E1 signal receiving devices 1；Alternatively, the E1 sender units 1 also include transformer 12.
The receiving terminal Rx of the E1 signal transmssion lines is connected with the E1 signal receiving devices 2, and including electrode line A and negative line B;The receiving terminal Rx of E1 signal transmssion lines negative line B (ring) is connected by electric capacity 20 with the earth terminal of E1 veneers 21.
It should be noted that, in the case that the transmitting terminal Rx of the E1 signal transmssion lines of the E1 sender units 1 only connected is by capacity earth, the E1 signal transmssion lines receiving terminal that the E1 signal receiving devices 2 that the present embodiment is provided are connected can carry out grounding simultaneously.
E1 signal transmssion lines in the present embodiment are the coaxial cable of 75 ohmages of transmission E1 signals；Or the pair cable of 120 ohmages for transmission E1 signals.
Referring to Figure 13, a kind of composition schematic diagram of the E1 sender units embodiment two provided for the present invention.The E1 sender units 1 that the present embodiment is provided, with E1 signal receiving devices（It is not shown）Between by E1 signal transmssion lines transmit E1 signals, it includes：E1 veneers 11 and transformer 12, the E1 signal transmssion lines are wound primary coil and secondary coil on the magnetic core of the transformer 12, the centre cap 120 of the primary coil of the transformer 12 connects an electric capacity 10, and the centre cap 120 is connected to the earth terminal of the E1 veneers 11 by the electric capacity 10.
In the present embodiment, the E1 signal transmssion lines are the coaxial cable of 75 ohmages of transmission E1 signals；
Or the pair cable of 120 ohmages for transmission El signals.
Referring to Figure 14, a kind of composition schematic diagram of the E1 signal receiving devices embodiment two provided for the present invention.E1 signals are transmitted by E1 signal transmssion lines between E1 signal receiving devices 2 and E1 sender units 1 that the present embodiment is provided, it includes：E1 veneers 21 and transformer 22, the E1 signal transmssion lines are wound primary coil and secondary coil on the magnetic core of the transformer 22, the centre cap 220 of the primary coil of the transformer 22 connects an electric capacity 20, and the centre cap 220 is connected to the earth terminal of the E1 veneers by the electric capacity 20.
It should be noted that, in the case that the centre cap of the transformer 12 of the E1 sender units 1 only connected is by capacity earth, the centre cap 220 of the transformer 22 for the E1 signal receiving devices 2 that the present embodiment is provided can carry out grounding by electric capacity.
E1 signal transmssion lines in the present embodiment are the coaxial cable of 75 ohmages of transmission E1 signals；Or the pair cable of 120 ohmages for transmission E1 signals.
In the present invention, to the centre tapped grounding of the transformer in E1 signal transmssion lines or E1 sender units or E1 signal receiving devices,（Grounding only can be carried out to transmitting terminal, can also all carry out grounding to transmitting terminal and receiving terminal) jamproof purpose can be reached.
Grounding mode in the present invention does not differentiate between the coaxial cable of 75 ohmages and the pair cable of 120 ohmages, 75 ohm of veneer and 120 ohm of veneer is not differentiated between yet, therefore the design for veneer can unitize, reduce production and installation cost, and it can ensure that signal transmission is normal, error code or chain rupture can be avoided.
Through the above description of the embodiments, those skilled in the art can be understood that the embodiment of the present invention can add the mode of required general hardware platform to realize by software, naturally it is also possible to be implemented by hardware.Understood based on such, the part that the technical scheme of the embodiment of the present invention substantially contributes to prior art in other words can be embodied in the form of software product, the computer software product is stored in a storage medium, including some instructions are to cause a computer equipment（Can be personal computer, server, or network equipment etc.）Perform the method described in each embodiment of the invention.
Disclosed above is only presently preferred embodiments of the present invention, can not limit the interest field of the present invention, therefore the equivalent variations made according to the claims in the present invention with this certainly, still belongs to the scope that the present invention is covered.
Claims (11)
- Claim1st, a kind of E1 signal transmssion lines, it includes transmitting terminal and receiving terminal, and its transmitting terminal and receiving terminal include electrode line and negative line, it is characterised in that including：The negative line of the transmitting terminal of the E1 signal transmssion lines passes through capacity earth.2nd, E1 signal transmssion lines as claimed in claim 1, it is characterised in that the negative line of the receiving terminal of the E1 signal transmssion lines passes through capacity earth.3rd, the E1 signal transmssion lines as described in claim 1 or 2, it is characterised in that the E1 signal transmssion lines are the coaxial cable of 75 ohmages of transmission E1 signals；Or the pair cable of 120 ohmages for transmission E1 signals.4th, a kind of E1 sender units, it is characterised in that including：Veneer and the E1 signal transmssion lines for transmitting E1 signals between E1 signal receiving devices；The transmitting terminal of the E1 signal transmssion lines is connected with the E1 sender units, and including electrode line and negative line；The negative line of the transmitting terminal of the E1 signal transmssion lines is connected by the earth terminal of electric capacity and veneer.5th, E1 sender units as claimed in claim 4, it is characterised in that the E1 signal transmssion lines are the coaxial cable of 75 ohmages of transmission E1 signals；Or the pair cable of 120 ohmages for transmission E1 signals.6th, a kind of E1 signal receiving devices, it is characterised in that including：E1 veneers and the E1 signal transmssion lines for transmitting E1 signals between E1 sender units；The receiving terminal of the E1 signal transmssion lines is connected with the E1 signal receiving devices, and including electrode line and negative line；The negative line of the receiving terminal of the E1 signal transmssion lines is connected by electric capacity with the earth terminal of E1 veneers.7th, E1 signal receiving devices as claimed in claim 6, it is characterised in that the E1 signal transmssion lines are the coaxial cable of 75 ohmages of transmission E1 signals；Or be 120 ohm of resistances of transmission E1 signals Anti- pair cable.8th, a kind of El sender units, it is characterised in that E1 signals are transmitted by E1 signal transmssion lines between the E1 sender units and E1 signal receiving devices, it includes：E1 veneers and transformer, the E1 signal transmssion lines are wound primary coil and secondary coil on the magnetic core of the transformer, the centre cap of the primary coil of the transformer connects an electric capacity, the earth terminal that the centre cap passes through the capacitance connection to the E1 veneers.9th, E1 sender units as claimed in claim 8, it is characterised in that the E1 signal transmssion lines are the coaxial cable of 75 ohmages of transmission E1 signals；Or the pair cable of 120 ohmages for transmission E1 signals.10th, a kind of E1 signal receiving devices, it is characterised in that E1 signals are transmitted by E1 signal transmssion lines between the E1 signal receiving devices and E1 sender units, it includes：E1 veneers and transformer, the E1 signal transmssion lines are wound primary coil and secondary coil on the magnetic core of the transformer, the centre cap of the primary coil of the transformer connects an electric capacity, the earth terminal that the centre cap passes through the capacitance connection to the E1 veneers.11st, E1 signal receiving devices as claimed in claim 10, it is characterised in that the E1 signal transmssion lines are the coaxial cable of 75 ohmages of transmission E1 signals；Or the pair cable of 120 ohmages for transmission E1 signals.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/CN2011/080631 WO2012162999A1 (en) | 2011-10-11 | 2011-10-11 | E1 signal transmission line, e1 signal sending device and receiving device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103168427A true CN103168427A (en) | 2013-06-19 |
| CN103168427B CN103168427B (en) | 2014-12-03 |
Family
ID=47258324
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201180002737.1A Expired - Fee Related CN103168427B (en) | 2011-10-11 | 2011-10-11 | E1 signal sending device and receiving device |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN103168427B (en) |
| WO (1) | WO2012162999A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109378566A (en) * | 2013-12-31 | 2019-02-22 | 四零四科技股份有限公司 | Wireless communication line protects structure |
| CN113013617A (en) * | 2021-03-03 | 2021-06-22 | 深圳市锐尔觅移动通信有限公司 | Antenna assembly and electronic equipment |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08172442A (en) * | 1994-12-19 | 1996-07-02 | Yokogawa Electric Corp | Two-wire system pulse signal transmitter |
| CN1707968A (en) * | 2004-06-08 | 2005-12-14 | 华为技术有限公司 | Transmission impedance distribution cable |
| CN1863178A (en) * | 2006-04-06 | 2006-11-15 | 华为技术有限公司 | Impedance regulating device and communication system containing same |
| CN101227032A (en) * | 2007-11-28 | 2008-07-23 | 华为技术有限公司 | Single board and cable connector for connecting single board and cable |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10114504A1 (en) * | 2001-03-23 | 2002-10-02 | Bosch Gmbh Robert | Method for transmitting data from sensor to control device e.g. in motor vehicle, involves control device checking line and/or power uptake of at least one sensor, before sensor identification |
-
2011
- 2011-10-11 CN CN201180002737.1A patent/CN103168427B/en not_active Expired - Fee Related
- 2011-10-11 WO PCT/CN2011/080631 patent/WO2012162999A1/en active Application Filing
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08172442A (en) * | 1994-12-19 | 1996-07-02 | Yokogawa Electric Corp | Two-wire system pulse signal transmitter |
| CN1707968A (en) * | 2004-06-08 | 2005-12-14 | 华为技术有限公司 | Transmission impedance distribution cable |
| CN1863178A (en) * | 2006-04-06 | 2006-11-15 | 华为技术有限公司 | Impedance regulating device and communication system containing same |
| CN101227032A (en) * | 2007-11-28 | 2008-07-23 | 华为技术有限公司 | Single board and cable connector for connecting single board and cable |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109378566A (en) * | 2013-12-31 | 2019-02-22 | 四零四科技股份有限公司 | Wireless communication line protects structure |
| CN113013617A (en) * | 2021-03-03 | 2021-06-22 | 深圳市锐尔觅移动通信有限公司 | Antenna assembly and electronic equipment |
| CN113013617B (en) * | 2021-03-03 | 2023-09-19 | 深圳市锐尔觅移动通信有限公司 | Antenna assembly and electronic equipment |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2012162999A1 (en) | 2012-12-06 |
| CN103168427B (en) | 2014-12-03 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203085207U (en) | Signal transmission cable and data line | |
| CN113346928B (en) | Echo cancellation circuit | |
| CN203313213U (en) | Power line carrier multi-media high-speed broadband Internet terminal device | |
| CN103168427A (en) | E1 signal transmission line, e1 signal sending device and receiving device | |
| US5747893A (en) | Termination scheme for twisted-wire pairs | |
| EP2477339B1 (en) | Extended digital subscriber line system, signal transmission method, transmission apparatus and receiving apparatus | |
| CN103973520A (en) | Power line carrier multi-medium high-speed broadband interconnection terminal device | |
| CN104409926B (en) | A kind of method and Mini SAS connectors for improving SAS connector crosstalk | |
| CN201440467U (en) | Serial port line | |
| CN102082886B (en) | Circuit and equipment of digital subscriber line | |
| CN103730800A (en) | Conversion connector | |
| CN105791850A (en) | Encoder and coding method thereof, and decoder and decoding method thereof | |
| CN203026202U (en) | Flat cable | |
| CN101458979B (en) | Communication electric cable, system, cabinet and twisted pair matching method in communication electric cable | |
| CN108682989A (en) | A kind of communications connector of electromagnetism interference | |
| CN101799973A (en) | Signal transmission circuit and method | |
| CN208739307U (en) | Video signal transmission system, transmitting terminal and receiving end | |
| CN211860387U (en) | Impedance converter | |
| JP4292274B2 (en) | Circuit for small amplitude operation signal | |
| CN109039659A (en) | G.fast reverse power supply system, terminal device and local side apparatus | |
| CN211959420U (en) | Network port butt-joint circuit inside set top box and intelligent set top box | |
| CN209844155U (en) | Passive network converter and Ethernet power supply system | |
| CN103119801B (en) | Modular interface systems and methods | |
| CN217214242U (en) | Corrosion-resistant communication cable | |
| EP1973272A1 (en) | Combiner with active balun for providing broadband internet access on catv networks |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20171206 Address after: 510640 Guangdong City, Tianhe District Province, No. five, road, public education building, unit 371-1, unit 2401 Patentee after: Guangdong Gaohang Intellectual Property Operation Co., Ltd. Address before: 518129 Bantian HUAWEI headquarters office building, Longgang District, Guangdong, Shenzhen Patentee before: Huawei Technologies Co., Ltd. |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20171220 Address after: 221000 Suzhou Avenue, Xuzhou Industrial Park, Jiangsu Province, north side Patentee after: Jiangsu Jinding energy saving technology Limited by Share Ltd Address before: 510640 Guangdong City, Tianhe District Province, No. five, road, public education building, unit 371-1, unit 2401 Patentee before: Guangdong Gaohang Intellectual Property Operation Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141203 Termination date: 20181011 |