CN209390216U - A kind of Multi-service video fibre optic transmission equipment - Google Patents
A kind of Multi-service video fibre optic transmission equipment Download PDFInfo
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- CN209390216U CN209390216U CN201821992545.5U CN201821992545U CN209390216U CN 209390216 U CN209390216 U CN 209390216U CN 201821992545 U CN201821992545 U CN 201821992545U CN 209390216 U CN209390216 U CN 209390216U
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- Prior art keywords
- adapter circuit
- fibre optic
- transmission equipment
- optic transmission
- ethernet
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 40
- 239000000835 fiber Substances 0.000 title claims abstract description 20
- 239000013307 optical fiber Substances 0.000 claims abstract description 11
- 230000003139 buffering effect Effects 0.000 claims abstract description 10
- 230000006978 adaptation Effects 0.000 claims description 4
- 230000005611 electricity Effects 0.000 claims description 4
- 238000005070 sampling Methods 0.000 claims description 4
- 238000010586 diagram Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 3
- 230000007812 deficiency Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000009432 framing Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
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Abstract
The utility model relates to a kind of Multi-service video fibre optic transmission equipments.The Multi-service video fibre optic transmission equipment, including multifiber cable, the both ends of the multifiber cable are respectively connected with transmission exchanger, transmission exchanger include FPGA circuitry by with SERDES module, wherein FPGA circuitry is by including that GFP adapter circuit, MAC buffering adapter circuit, MAPPER adapter circuit, adapter circuit A, adapter circuit B, adapter circuit C and time division multiplexing module, the transmission exchanger are used to connect one of gigabit Ethernet, phone, 100 m ethernet, E1, RS232 and video or a variety of.This is reasonable in design, novel, realize gigabit Ethernet, 100 m ethernet, E1, video, phone, RS232 multiple business transmission, be physically isolated between gigabit Ethernet and 100 m ethernet, it and is all linear speed, compared to current technology, optical fiber is saved, while equipment cost is also greatly lowered.
Description
Technical field
The utility model relates to a kind of Multi-service video fibre optic transmission equipments.
Background technique
Realize to include video, gigabit Ethernet, 100 m ethernet, E1, phone, RS232 with optical fiber between two places at present
Etc. business transmission, mostly use multi-core optical fiber to realize, topological diagram is as follows: Fig. 1 and Fig. 2 realizes the at high cost of transmission.In order to solve
The deficiency of current programme, we have proposed a kind of gigabit Multi-service video fibre optic transmission equipments.
Utility model content
In order to make up for the deficiencies of the prior art, the utility model provides a kind of Multi-service video fibre optic transmission equipment, should
It is reasonable in design, novel, realize gigabit Ethernet, 100 m ethernet, E1, video, phone, RS232 multiple business transmission,
It is physically isolated between gigabit Ethernet and 100 m ethernet, and is all linear speed, compare current technology, saved optical fiber, set simultaneously
Standby cost is also greatly lowered, and solves problems of the prior art.
The utility model is achieved by the following technical solution:
A kind of Multi-service video fibre optic transmission equipment, including multifiber cable, the both ends of the multifiber cable are respectively connected with biography
Defeated exchanger, the transmission exchanger for connect gigabit Ethernet, phone, 100 m ethernet, in E1, RS232 and video
One or more, the transmission exchanger includes FPGA circuitry by, optical fiber transceiver module and SERDES module；Wherein, described
FPGA circuitry by include GFP adapter circuit, MAC buffering adapter circuit, MAPPER adapter circuit, adapter circuit A, adapter circuit B,
Adapter circuit C and time division multiplexing module.
Advanced optimize ground, the gigabit Ethernet by gigabit Ethernet exchange chip and the FPGA circuitry by
GRMII interface is connected.
Advanced optimize ground, the 100 m ethernet by 100 m ethernet exchange chip and the FPGA circuitry by
RMII interface is connected.
Ground is advanced optimized, the E1 signal connects MAPPER of the FPGA circuitry in by HDB3 encoder and is adapted to
Circuit.
Ground is advanced optimized, the RS232 connects adapter circuit A of the FPGA circuitry in after high-speed sampling.
Ground is advanced optimized, the vision signal connects adaptation of the FPGA circuitry in through analog/digital, digital/analog circuitry
Circuit B.
Ground is advanced optimized, the telephone signal connects adapter circuit C of the FPGA circuitry in through SLIC.
Ground is advanced optimized, the GFP adapter circuit, MAC buffer adapter circuit, MAPPER adapter circuit, adapter circuit
A, adapter circuit B and adapter circuit C is all connected with the time division multiplexing module, and the time division multiplexing module passes through the SERDES mould
Block connects the multifiber cable.
Ground is advanced optimized, the SERDES module connects the multifiber cable by the optical fiber transceiver module.
Advanced optimize ground, the FPGA circuitry by chip model be EP2C5Q208C8N.
The beneficial effects of the utility model are: this is reasonable in design, novel, realize gigabit Ethernet, 100 m ethernet,
E1, video, phone, RS232 multiple business transmission, be physically isolated between gigabit Ethernet and 100 m ethernet, and be all line
Speed compares current technology, saves optical fiber, while equipment cost is also greatly lowered, and is suitable for wide popularization and application.
Detailed description of the invention
Fig. 1 is the transmission structure schematic diagram of gigabit Ethernet and E1 in the prior art.
Fig. 2 is video, Ethernet, phone, RS232 transmission structure schematic diagram in the prior art.
Fig. 3 is the transmission structure schematic diagram of the utility model embodiment.
Fig. 4 is the structural schematic diagram of the utility model embodiment.
Fig. 5 be the utility model embodiment in FPGA circuitry by structural schematic diagram.
Specific embodiment
In order to clarify the technical characteristics of the invention, below by specific embodiment, and its attached drawing is combined, to this reality
It is described in detail with novel.
As shown in Figure 3-Figure 5, present embodiment discloses a kind of Multi-service video fibre optic transmission equipment, including multifiber cable,
The both ends of the multifiber cable are respectively connected with transmission exchanger, and the transmission exchanger is for connecting gigabit Ethernet, phone, hundred
One of mbit ethernet, E1, RS232 and video are a variety of, and the transmission exchanger includes FPGA circuitry by, transceiver light
Module and SERDES module；Wherein, the FPGA circuitry including GFP adapter circuit, MAC buffering adapter circuit, MAPPER by fitting
With circuit, adapter circuit A, adapter circuit B, adapter circuit C and time division multiplexing module.
As a preferred embodiment, the gigabit Ethernet passes through gigabit Ethernet exchange chip and the FPGA
Circuit by GRMII interface be connected.
As a preferred embodiment, the 100 m ethernet passes through 100 m ethernet exchange chip and the FPGA
Circuit by RMII interface be connected.
As a preferred embodiment, the E1 signal connects the FPGA circuitry in by HDB3 encoder
MAPPER adapter circuit.
As a preferred embodiment, the RS232 connects the FPGA circuitry fitting in after high-speed sampling
With circuit A.
As a preferred embodiment, the vision signal connects the FPGA circuitry through analog/digital, digital/analog circuitry
Adapter circuit B in.
As a preferred embodiment, the telephone signal connects adaptation electricity of the FPGA circuitry in through SLIC
Road C.
As a preferred embodiment, the GFP adapter circuit, MAC buffering adapter circuit, MAPPER adaptation electricity
Road, adapter circuit A, adapter circuit B and adapter circuit C are all connected with the time division multiplexing module, and the time division multiplexing module passes through
The SERDES module connects the multifiber cable.
As a preferred embodiment, the SERDES module is described more by optical fiber transceiver module connection
Core optical cable.
As a preferred embodiment, the FPGA circuitry by chip model be EP2C5Q208C8N.
Using the utility model Multi-service video fibre optic transmission equipment, when data are transmitted, gigabit Ethernet by gigabit with
Too net exchange chip is sent to GFP adapter circuit by GRMII interface, and buffering, GFP framing processing and the time slot for completing mac frame are suitable
Match；
100 m ethernet passes through 100 m ethernet exchange chip, is sent to MAC buffering adapter circuit by RMII interface, completes
The buffering and time slot of mac frame are adapted to；
E1 signal is connected to its MAPPER adapter circuit through HDB3 coding-decoding circuit；
RS232 signal is followed by through high-speed sampling to its adapter circuit A；
Vision signal is followed by through A/D D/A circuit to its adapter circuit B；
Telephone signal is followed by through slic circuit to its adapter circuit C；
The above various signals are after time slot is fitted to different time-gap, together with signals such as frame synchronization in time division multiplexing electricity
It is multiplexed in road, multiplexed signal is sent to SERDES module, carries out serial/parallel, parallel/serial and Clock Extraction, letter code again
It is raw, then it is connected to multifiber cable.
Wherein, GFP adapter circuit, MAC buffering adapter circuit, MAPPER adapter circuit, adapter circuit A, adapter circuit B,
Adapter circuit C and time division multiplexing module are realized by FPGA circuitry origin.
This is reasonable in design, novel, realizes gigabit Ethernet, 100 m ethernet, E1, video, phone, more kinds of RS232
The transmission of business, is physically isolated between gigabit Ethernet and 100 m ethernet, and is all linear speed, compares current technology, saves
Optical fiber, while equipment cost is also greatly lowered, and is suitable for wide popularization and application.
Place is not described in detail for the utility model, is the well-known technique of those skilled in the art of the present technique.Finally, it is stated that with
Upper embodiment is merely intended for describing the technical solutions of the present application, but not for limiting the present application, although referring to preferred embodiment to the utility model
It is described in detail, those skilled in the art should understand that, the technical solution of the utility model can be repaired
Change or equivalent replacement should all cover without departing from the objective and range of technical solutions of the utility model in the utility model
Scope of the claims in.
Claims (10)
1. a kind of Multi-service video fibre optic transmission equipment, including multifiber cable, it is characterised in that: the both ends of the multifiber cable are equal
Be connected with transmission exchanger, the transmission exchanger for connect gigabit Ethernet, phone, 100 m ethernet, E1, RS232 and
One of video is a variety of, and the transmission exchanger includes FPGA circuitry by, optical fiber transceiver module and SERDES module；Its
In, the FPGA circuitry is by including GFP adapter circuit, MAC buffering adapter circuit, MAPPER adapter circuit, adapter circuit A, fitting
With circuit B, adapter circuit C and time division multiplexing module.
2. a kind of Multi-service video fibre optic transmission equipment according to claim 1, it is characterised in that: the gigabit Ethernet
By gigabit Ethernet exchange chip and the FPGA circuitry by GRMII interface be connected.
3. a kind of Multi-service video fibre optic transmission equipment according to claim 1, it is characterised in that: the 100 m ethernet
By 100 m ethernet exchange chip and the FPGA circuitry by RMII interface be connected.
4. a kind of Multi-service video fibre optic transmission equipment according to claim 1, it is characterised in that: the E1 signal passes through
HDB3 encoder connects MAPPER adapter circuit of the FPGA circuitry in.
5. a kind of Multi-service video fibre optic transmission equipment according to claim 1, it is characterised in that: the RS232 is through height
Adapter circuit A of the FPGA circuitry in is connected after speed sampling.
6. a kind of Multi-service video fibre optic transmission equipment according to claim 1, it is characterised in that: the vision signal warp
Analog/digital, digital/analog circuitry connect adapter circuit B of the FPGA circuitry in.
7. a kind of Multi-service video fibre optic transmission equipment according to claim 1, it is characterised in that: the telephone signal warp
SLIC connects adapter circuit C of the FPGA circuitry in.
8. a kind of Multi-service video fibre optic transmission equipment according to claim 1, it is characterised in that: the GFP adaptation electricity
When road, MAC buffering adapter circuit, MAPPER adapter circuit, adapter circuit A, adapter circuit B and adapter circuit C are all connected with described
Divide Multiplexing module, the time division multiplexing module passes through the SERDES module and connects the multifiber cable.
9. a kind of Multi-service video fibre optic transmission equipment according to claim 8, it is characterised in that: the SERDES module
The multifiber cable is connected by the optical fiber transceiver module.
10. a kind of Multi-service video fibre optic transmission equipment according to claim 1, it is characterised in that: the FPGA circuitry
By chip model be EP2C5Q208C8N.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821992545.5U CN209390216U (en) | 2018-11-30 | 2018-11-30 | A kind of Multi-service video fibre optic transmission equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821992545.5U CN209390216U (en) | 2018-11-30 | 2018-11-30 | A kind of Multi-service video fibre optic transmission equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209390216U true CN209390216U (en) | 2019-09-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821992545.5U Expired - Fee Related CN209390216U (en) | 2018-11-30 | 2018-11-30 | A kind of Multi-service video fibre optic transmission equipment |
Country Status (1)
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| CN (1) | CN209390216U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112558248A (en) * | 2020-11-03 | 2021-03-26 | 深圳凌特华盛科技有限公司 | Physical isolation network transmission of multi-path LED screen |
-
2018
- 2018-11-30 CN CN201821992545.5U patent/CN209390216U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112558248A (en) * | 2020-11-03 | 2021-03-26 | 深圳凌特华盛科技有限公司 | Physical isolation network transmission of multi-path LED screen |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| 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: 20190913 |