CN205693677U - A kind of modularity PCM device - Google Patents
A kind of modularity PCM device Download PDFInfo
- Publication number
- CN205693677U CN205693677U CN201620559492.2U CN201620559492U CN205693677U CN 205693677 U CN205693677 U CN 205693677U CN 201620559492 U CN201620559492 U CN 201620559492U CN 205693677 U CN205693677 U CN 205693677U
- Authority
- CN
- China
- Prior art keywords
- module
- business
- pcm
- interface
- modularity
- 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.)
- Active
Links
Landscapes
- Structure Of Telephone Exchanges (AREA)
Abstract
The utility model discloses a kind of modularity PCM device, local side PCM equipment and far-end PCM equipment including mutual communication, described local side PCM equipment and far-end PCM equipment all include cabinet and the system board being arranged in described cabinet, described system board uses modularized design, described system board is provided with business module slot and the business interface of specified quantity, each described business module slot all connects with corresponding business interface, the business module of the described business module identical or different type of slot grafting.Implement modularity PCM device of the present utility model, have the advantages that small volume, cost are relatively low, ability of meeting demands of multiple service access conveniently, again without configuration, plug and play, dilatation.
Description
Technical field
This utility model relates to communication equipment field, particularly to a kind of modularity PCM device.
Background technology
PCM equipment be a kind of by 30 road analog voice signals respectively through quantifying, after coding, form the number of 30 road 64kb/s
Word signal, then through time division multiplex, form a kind of device of the group signals of 2048kb/s.In actual application, except simulation language
Outside tone signal, other various data services also are intended to access such device, constitute multiple services combining together with analog voice signal
Close multiplexing, it is therefore desirable to PCM equipment needs multiple business access capability.
Current PCM equipment is by various types of business interface plates, and public interconnection logic plate
Realize.The access of business is responsible for by business interface plate, and every kind of business interface plate provides the business interface that multichannel is identical, passes through
Configure multiple different types of business interface plate to meet various different business demand.Public interconnection logic plate is born
Duty selects the service signal of business interface plate and it is associated with the time slot of the group signals of 2048kb/s, it is achieved dividing of business
Auxiliary tone degree.The shortcoming of such scheme is: equipment volume is big, and cost is high, and the quantity of business interface is often beyond being actually needed and making
Becoming waste, equipment needs to carry out the cross-over configuration of complexity, and dilatation is inconvenient, and the technology of operation maintenance personnel is required height.
Utility model content
The technical problems to be solved in the utility model is, cost big for the above-mentioned PCM equipment volume of prior art
Quantity high, business interface often causes waste, equipment to need to carry out the cross-over configuration of complexity, dilatation not beyond being actually needed
Technology convenient, to operation maintenance personnel requires high defect, it is provided that a kind of small volume, cost be relatively low, without configuration, i.e. insert i.e.
Convenient with, dilatation, can meet demands of multiple service access the modularity PCM device of ability again.
This utility model solves its technical problem and be the technical scheme is that a kind of modularity PCM device of structure, including
The local side PCM equipment of mutual communication and far-end PCM equipment, described local side PCM equipment and far-end PCM equipment all include cabinet and set
Putting the system board in described cabinet, described system board uses modularized design, and described system board is provided with appointment number
The business module slot of amount and business interface, each described business module slot all connects with corresponding business interface, described industry
The business module of the business identical or different type of module slot grafting.
In modularity PCM device described in the utility model, described specified quantity is 30.
In modularity PCM device described in the utility model, described system board is additionally provided with public standard bus, public affairs
Logic control module, power module, power interface, on and off switch, LI(link interface) and ringing-current module, described public standard bus altogether
Being connected with each described business module slot, described common logic control module is connected with described public standard bus, is used for producing
Timing needed for raw described business module slot and control wave, described common logic control module connects with link the most respectively
Mouth transmitting terminal and LI(link interface) receiving terminal connect, for being responsible for the framing of 2048kb/s group signals and solving frame.
In modularity PCM device described in the utility model, described business module is phone module, hotline mould
Block, magnetic telephone module, telegraphone module, two/tetra-line audio-frequency modules, two/tetra-line E&M modules, RS232/RS422/RS485
Module, ethernet module, radar data module, very high frequency(VHF) module, meteorological from see module, blind landing module, V.35 module or/and
G.703 same directional 64K data module.
In modularity PCM device described in the utility model, the adapter of described business interface uses RJ45 socket, institute
State RJ45 socket and be directly connected to RJ11 plug or RJ45 connector, or by conversion cable and DB9, DB25, DB62 or M34 type
Adapter carry out grafting.
In modularity PCM device described in the utility model, described LI(link interface) be single electricity port, Shuan electricity Kou, Si electricity Kou,
Monochromatic light mouth, double light mouth or light one electrical interface.
In modularity PCM device described in the utility model, described LI(link interface) is 2M LI(link interface), described local side
PCM equipment and far-end PCM equipment all use 2M cable as transmission line.
In modularity PCM device described in the utility model, described LI(link interface) is optical fiber link interface, described local side
PCM equipment and far-end PCM equipment all use optical fiber as transmission line.
In modularity PCM device described in the utility model, described cabinet uses 19 inch standard cabinets, described cabinet
Two ends be equipped with ground terminal.
Implement modularity PCM device of the present utility model, have the advantages that owing to system board uses modularity
Design, thus can reduce volume, and system board is provided with business module slot and the business interface of specified quantity, each business
Module slot all connects with corresponding business interface, the business module of the identical or different type of business module slot grafting, so
Just can set the business interface of respective numbers as required, the business that can require fully according to user and quantity assembly equipment,
Just as a exclusively for the product of user's custom-made by size, can effectively support that user's current business demand and future services expand
Exhibition, provides economy and efficient solution for client, does not results in waste simultaneously, so its small volume, cost are relatively low,
Convenient without configuration, plug and play, dilatation, can meet demands of multiple service access ability again.
Accompanying drawing explanation
In order to be illustrated more clearly that this utility model embodiment or technical scheme of the prior art, below will be to embodiment
Or the required accompanying drawing used is briefly described in description of the prior art, it should be apparent that, the accompanying drawing in describing below is only
It is embodiments more of the present utility model, for those of ordinary skill in the art, before not paying creative work
Put, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the structural representation in one embodiment of this utility model modularity PCM device；
Fig. 2 is local side PCM equipment or the Facad structure schematic diagram of far-end PCM equipment in described embodiment；
Fig. 3 is local side PCM equipment or the structure schematic diagram of far-end PCM equipment in described embodiment；
Fig. 4 is the structural representation of the system board of local side PCM equipment or far-end PCM equipment in described embodiment.
Detailed description of the invention
Below in conjunction with the accompanying drawing in this utility model embodiment, the technical scheme in this utility model embodiment is carried out
Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of this utility model rather than whole
Embodiment.Based on the embodiment in this utility model, those of ordinary skill in the art are not under making creative work premise
The every other embodiment obtained, broadly falls into the scope of this utility model protection.
In the present embodiment, this modularity PCM device includes local side PCM equipment and far-end PCM equipment, local side PCM equipment and
The mutual communication of far-end PCM equipment.Local side PCM equipment and far-end PCM equipment are case structure, the box knot of specially 1U height
Structure, local side PCM equipment and the PCM equipment that far-end PCM equipment is that structure is identical.The structural representation of this modularity PCM device is such as
Shown in Fig. 1.Local side PCM equipment and far-end PCM equipment all include cabinet 110 and system board 120 (seeing Fig. 2 to Fig. 4), its
In, system board 1 is arranged in cabinet 110, and system board 1 uses modularized design, system board 1 to be provided with specified quantity
Business module slot 121 and business interface 122, each business module slot 121 all connects with corresponding business interface 122, industry
The business module 1211 of the business module slot 121 identical or different type of grafting.
It is noted that in the present embodiment, above-mentioned specified quantity is 30.Concrete, system board 1 is provided with 30
Business module slot 121 and 122,30 business module slots 121 of 30 business interfaces are with corresponding 30 business interfaces 122 even
Connect, the business module 1211 of 30 pluggable 1～30 identical or different types of business module slot 121.In the present embodiment,
One small-sized cabinet 110 at most can provide 30 kinds of identical or different business interfaces 122, meet various to greatest extent
Different business demands.Can the type of configuration service interface 122 and quantity according to actual needs, it is to avoid waste, reduce
Power consumption and cost.
This utility model can be fully according to the business of user's requirement and quantity assembly equipment (local side PCM equipment or far-end PCM
Equipment), just as a exclusively for the product of user's custom-made by size, can effectively support user's current business demand and following industry
Business extension, provides economy and efficient solution for client, does not results in waste simultaneously, so its small volume, cost
Relatively low, ability of meeting demands of multiple service access conveniently, again without configuration, plug and play, dilatation.
Fig. 2 is local side PCM equipment or the Facad structure schematic diagram of far-end PCM equipment in the present embodiment；Fig. 3 is the present embodiment
Middle local side PCM equipment or the structure schematic diagram of far-end PCM equipment；Fig. 4 is local side PCM equipment or far-end in the present embodiment
The structural representation of the system board of PCM equipment.
In the present embodiment, system board 120 is additionally provided with public standard bus 131, common logic control module 132, electricity
Source module 123, power interface 124, on and off switch 125, LI(link interface) 126 and 127,30 business modules 1211 of ringing-current module carry
For business function corresponding with its type, and it is plugged into 30 business module slots 121, by service signal and public standard bus
131 connect.Public standard bus 131 is connected with each business module slot 121, common logic control module 132 and public mark
Quasi-bus 131 connects, for producing the timing needed for 30 business module slots 121 and control wave, common logic control
Molding block 132 is connected with LI(link interface) transmitting terminal 1261 and LI(link interface) receiving terminal 1262, the most respectively for being responsible for 2048kb/s
The framing of group signals and solution frame.
In the present embodiment, business module 1211 can be phone module, hotline module, magnetic telephone module, recording
Phone module, two/tetra-line audio-frequency modules, two/tetra-line E&M modules, RS232/RS422/RS485 module, ethernet module, radar
Data module, very high frequency(VHF) module, meteorological from seeing module, blind landing module, V.35 module or/and G.703 same directional 64K data module.
It is noted that business module 1211 can include other kinds of interface or port, it is not limited to above-mentioned cited type
Interface or port.
In the present embodiment, 30 business module slots 121 are respectively provided with numbering, and the business module of numbered 1～30 is inserted
The corresponding local side PCM equipment of groove 121 and the RJ45 socket that back side lettering is 1～30 of far-end PCM equipment.Certainly, at the present embodiment
Certain situation under, the number of business module slot 121 can also be other quantity, if business module slot 121 can be with grafting
The business module 1211 of dry identical or different type.
In the present embodiment, the adapter of business interface uses RJ45 socket, this RJ45 socket be directly connected to RJ11 plug or
RJ45 connector, or carry out grafting by the adapter of conversion cable Yu DB9, DB25, DB62 or M34 (F) type.
In the present embodiment, LI(link interface) 126 can be single electricity port, Shuan electricity Kou, Si electricity Kou, monochromatic light mouth, double light mouth or a light
One electrical interface.Local side PCM equipment and far-end PCM equipment can all use 2M cable as transmission line, and at this moment LI(link interface) 126 is
2M LI(link interface).The bit rate of 2M LI(link interface) is 2048Kbps ± 50ppm, and pattern is HDB3, and interface impedance is that 75 Ω are non-flat
Weighing apparatus or 120 Ω balance, adapter is CC4 or RJ45.
It is noted that local side PCM equipment and far-end PCM equipment can also all use optical fiber as transmission line, at this moment
LI(link interface) 126 is optical fiber link interface.The bit rate of optical fiber link interface is 16.384Mb/s ± 50ppm；Pattern is NRZ+
Scrambler；Transmitting optical power >-5dB (distance) or >-12dB (short distance)；Receiving sensitivity >-36dB；Adapter is that FC is (optional
Join SC adapter or single-fiber optical interface).
In the present embodiment, cabinet 110 uses 19 inch standard cabinets, the size of this cabinet 110 be 210mm (degree of depth) ×
480mm (width) × 44mm (highly).The two ends of this cabinet 110 are equipped with ground terminal 111, specifically at the back of the body of cabinet 110
Two ends, left and right, face are respectively arranged with a ground terminal 111, for being connected with system chassis earthed system by equipment.Office in the present embodiment
End PCM equipment and far-end PCM equipment are all mountable to 19 inches of full open frames, it is possible to be positioned over flat as desktop device
Surely, it is dried or safe place uses.
In the present embodiment, the working environment of this modularity PCM device is: operating temperature is 0 DEG C～40 DEG C, and relative humidity is
≤ 90% (25 DEG C), the input voltage of its working power is-48V, it is allowed to voltage pulsation is-36V～-72V, business interface 122
Including user and loop interface, two/tetra-line audio interface (two/tetra-line E&M interfaces), RS232 (asynchronous) interface, RS232 (with
Step) interface, V.35 interface and 10Base_T interface.
Wherein, the impedance of user and loop interface is 200 Ω+680 Ω | | 0.1 μ F, insertion loss is-3 ± 0.75dB, frequently
Rate characteristic is 300～3400Hz (-0.6～+3dB), weighted noise≤-63.7dBmop, crosstalk attenuation≤-65dB, ring resistance≤
1800Ω.Two/tetra-line audio interface (two/tetra-line E&M interfaces) impedance is 600 Ω, and four line AD gains are 14dB (adjustable), four lines
DA gain is-2dB (adjustable), and four line AD frequency characteristics are-0.2 ± 0.2dB, and four line DA frequency characteristics are-0.2 ± 0.2dB, two
Line AD frequency characteristic is-0.2 ± 0.2dB, and two wires DA frequency characteristic is-0.2 ± 0.2dB (adjustable), and return loss is 40dB, degree of balance
For 70dB, common mode rejection ratio is 70dB, and PSRR is 0dB, idle channel noise≤-65dB, and ring resistance is 600 Ω.
In the present embodiment, the interface type of RS232 (asynchronous) interface is the most asynchronous, and speed is 0～19.2Kbps.
The interface type of RS232 (synchronization) interface be V.24 synchronization (either simplex, full duplex are optional), speed is 4800bps, 9600bps,
19200bps, 38.4K, 64K, 128K or 256K, clock mode is DCE or DTE.V.35 the interface type of interface is V.35 same
Step, speed is Nx64Kb/s (N=1～30), and clock mode is DCE.The interface type of 10Base_T interface is 10Base-T, connects
Mouth speed is 10Mbps, and transfer rate is Nx64Kb/s (N=1～30), and agreement is link layer bridge joint.
In a word, in the present embodiment, system board 120 uses modularized design, system board 120 to be provided with 30 business
Module slot 121 and 30 business interfaces 122, each business module slot 121 all connects with corresponding business interface 122, industry
The business module 1211 of the business module slot 121 identical or different type of grafting, its business that can require fully according to user and number
Amount assembly equipment, just as a exclusively for the product of user's custom-made by size, can effectively support user's current business demand and
Future services extends, and provides the user economy and efficient solution.When this modularity PCM device reaches the standard grade work, it is not necessary to
It is carried out any configuration, plug and play, quickly arranges.The signal of each business interface 122 uses independent business module to insert
Groove 121 connects, and uses RJ45 cable crimping mode, and the cable that can be rapidly completed equipment room signal connects.Mould of the present utility model
The small volume of massing PCM device, cost be relatively low, without configuration, plug and play, can meet demands of multiple service access, and dilatation is convenient.
The foregoing is only preferred embodiment of the present utility model, not in order to limit this utility model, all at this
Within the spirit of utility model and principle, any modification, equivalent substitution and improvement etc. made, should be included in this utility model
Protection domain within.
Claims (9)
1. a modularity PCM device, it is characterised in that include local side PCM equipment and far-end PCM equipment, the institute of mutual communication
State local side PCM equipment and far-end PCM equipment all includes cabinet and the system board being arranged in described cabinet, described system board
Using modularized design, described system board is provided with business module slot and the business interface of specified quantity, each described industry
Business module slot all connects with corresponding business interface, the business mould of the described business module identical or different type of slot grafting
Block.
Modularity PCM device the most according to claim 1, it is characterised in that described specified quantity is 30.
Modularity PCM device the most according to claim 1 and 2, it is characterised in that be additionally provided with public on described system board
STD bus, common logic control module, power module, power interface, on and off switch, LI(link interface) and ringing-current module, described
Public standard bus is connected with each described business module slot, described common logic control module and described public standard bus
Connecting, be used for producing the timing needed for described business module slot and control wave, described common logic control module is also
It is connected with LI(link interface) transmitting terminal and LI(link interface) receiving terminal respectively, for being responsible for framing and the solution of 2048kb/s group signals
Frame.
Modularity PCM device the most according to claim 1, it is characterised in that described business module is phone module, hot line
Phone module, magnetic telephone module, telegraphone module, two/tetra-line audio-frequency modules, two/tetra-line E&M modules, RS232/
RS422/RS485 module, ethernet module, radar data module, very high frequency(VHF) module, meteorological from seeing module, blind landing module, V.35
Module is or/and G.703 same directional 64K data module.
Modularity PCM device the most according to claim 4, it is characterised in that the adapter of described business interface uses
RJ45 socket, described RJ45 socket is directly connected to RJ11 plug or RJ45 connector, or by conversion cable and DB9, DB25,
The adapter of DB62 or M34 type carries out grafting.
Modularity PCM device the most according to claim 3, it is characterised in that described LI(link interface) is single electricity port, double electricity
Mouth, Si electricity Kou, monochromatic light mouth, double light mouth or light one electrical interface.
Modularity PCM device the most according to claim 3, it is characterised in that described LI(link interface) is 2M LI(link interface), institute
State local side PCM equipment and far-end PCM equipment all uses 2M cable as transmission line.
Modularity PCM device the most according to claim 3, it is characterised in that described LI(link interface) is optical fiber link interface,
Described local side PCM equipment and far-end PCM equipment all use optical fiber as transmission line.
Modularity PCM device the most according to claim 2, it is characterised in that described cabinet uses 19 inch standard cabinets,
The two ends of described cabinet are equipped with ground terminal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620559492.2U CN205693677U (en) | 2016-06-08 | 2016-06-08 | A kind of modularity PCM device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620559492.2U CN205693677U (en) | 2016-06-08 | 2016-06-08 | A kind of modularity PCM device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205693677U true CN205693677U (en) | 2016-11-16 |
Family
ID=57427090
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620559492.2U Active CN205693677U (en) | 2016-06-08 | 2016-06-08 | A kind of modularity PCM device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205693677U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107204810A (en) * | 2017-05-17 | 2017-09-26 | 西安科锐盛创新科技有限公司 | A kind of optical fiber telecommunications system |
| CN114063725A (en) * | 2020-07-30 | 2022-02-18 | 百度（美国）有限责任公司 | Modular infrastructure for computing and storage clusters |
-
2016
- 2016-06-08 CN CN201620559492.2U patent/CN205693677U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107204810A (en) * | 2017-05-17 | 2017-09-26 | 西安科锐盛创新科技有限公司 | A kind of optical fiber telecommunications system |
| CN114063725A (en) * | 2020-07-30 | 2022-02-18 | 百度（美国）有限责任公司 | Modular infrastructure for computing and storage clusters |
| CN114063725B (en) * | 2020-07-30 | 2023-08-01 | 百度（美国）有限责任公司 | Modular infrastructure for computing and storage clusters |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN1960421B (en) | Network combining wired and non-wired segments | |
| US20020041228A1 (en) | Apparatus for power line computer network system | |
| WO1995027353A3 (en) | Simultaneous transmission of high and low speed signals | |
| CN100466522C (en) | Farend access communication system, and control method | |
| CN205693677U (en) | A kind of modularity PCM device | |
| CN102082714B (en) | EPON (Ethernet passive optical network) device containing power carrier module and signal transmission method thereof | |
| CN205545320U (en) | PCM device with automatic protect function of a light electric double route | |
| KR100756244B1 (en) | Lan repeater based power over ethernet and power over ethernet hybrid reapeater | |
| CN201440467U (en) | Serial port line | |
| CN205883248U (en) | PCM device with double -light -path is by automatic protect function | |
| CN1110168C (en) | Equipment with mixed use of wide-band and narrow-band user boards | |
| SE9704228L (en) | Data communication networks and procedures | |
| CN202918305U (en) | SDH multi-service integrated transmission equipment | |
| CN110417583B (en) | Data communication equipment and out-of-band management system | |
| CN206596007U (en) | Fiber entering household converting system | |
| CN206212161U (en) | A kind of HDMI Transmission systems | |
| CN215682311U (en) | Communication equipment port loopback circuit | |
| CN218998042U (en) | Plug-in branching device | |
| CN207835494U (en) | Communication protocol conversion device in a kind of wind power generating set | |
| CN205453735U (en) | Professional interface monitoring system | |
| KR102575992B1 (en) | Passive optical network management system | |
| KR100283896B1 (en) | Power module common apparatus for communication terminal and hub | |
| KR19990078841A (en) | Data Communication Network for Transmitting and Receiving LAN Data through Voice Telephone Lines and Data Transceiver Suitable for the Same | |
| WO2001035577A3 (en) | Network-based remote control interface | |
| KR100945106B1 (en) | Home network common apparatus |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |