CN220440845U - Service port expansion board card based on ATCA architecture - Google Patents
Service port expansion board card based on ATCA architecture Download PDFInfo
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- CN220440845U CN220440845U CN202223536073.1U CN202223536073U CN220440845U CN 220440845 U CN220440845 U CN 220440845U CN 202223536073 U CN202223536073 U CN 202223536073U CN 220440845 U CN220440845 U CN 220440845U
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- JEOQACOXAOEPLX-WCCKRBBISA-N (2s)-2-amino-5-(diaminomethylideneamino)pentanoic acid;1,3-thiazolidine-4-carboxylic acid Chemical compound OC(=O)C1CSCN1.OC(=O)[C@@H](N)CCCN=C(N)N JEOQACOXAOEPLX-WCCKRBBISA-N 0.000 title claims 3
- 230000003287 optical effect Effects 0.000 claims abstract description 35
- 210000001503 joint Anatomy 0.000 claims description 4
- 238000006243 chemical reaction Methods 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 7
- 238000012545 processing Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D10/00—Energy efficient computing, e.g. low power processors, power management or thermal management
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Abstract
The utility model relates to a business port expansion board card based on an ATCA (advanced telecom computing architecture) framework, which comprises a circuit board card arranged on one end face of a backboard, and also comprises an expansion board card, wherein a 10G optical module of the expansion board card is respectively connected with an IIC expansion chip, an IO expansion chip and a connector V; the connector V is respectively connected with the IIC buffer chip, the IIC expansion chip and the IO expansion chip, and the IIC buffer chip is respectively connected with the IO expansion chip and the IIC expansion chip; the connector III is connected with a power chip through a hot plug chip, and the power chip supplies power for each device and the 10G optical module; the expansion board card is fixed on one end face of the backboard, the connector III is connected with the circuit board card connector IV through a rectangular opening of the backboard, and the connector V is connected with the circuit board card connector VI through a rectangular opening of the backboard. The new expansion board card is connected with the circuit board card and is used for outputting 10G service signals to complete the expansion function of 10G service.
Description
Technical Field
The utility model relates to the field of optical communication, in particular to a service port expansion board card based on an ATCA (advanced telecom computing architecture), and more particularly relates to a PCB (printed Circuit Board) card based on the ATCA for expanding service capacity.
Background
With the continuous development of OTN technology and the increase of the demand of users for service capacity, it is also critical to increase the output capacity of the client side signal while converting the line side 100G OTN signal into the client side signal. In the prior art, the processing and distribution of the access signal can be completed based on the ATCA architecture. The architecture generally comprises a 6U chassis, a back plate, 6 circuit board cards and 1 main control board card, wherein the processing and distribution of high-speed signals are mainly completed by the circuit board cards, and the schematic block diagram of the circuit board cards is shown in fig. 4. Each line card can realize the access and processing of the 1-path line side 100G OTN signals and support the input or output of 12-path client side 10G signals. The input/output ports of the service signals are all arranged through the openings of the front panel of the line card, as shown in fig. 5. In a full-scale situation, the system provides up to 72 10G ports.
However, as the granularity of the signals processed by the system is smaller and smaller, the number of 10G service ports is increasing, and the number of 12 10G service ports provided by each circuit board card cannot meet the normal use requirement. As can be seen from fig. 5, the front panel of the circuit board card has little more space for arranging the 10G optical ports.
Under the condition that the FPGA chip of the circuit board is abundant in resources, how to increase the number of the optical ports of the system 10G to meet the requirements of customers becomes a key problem.
Disclosure of Invention
In view of the defect of the number of the 10G service ports of the circuit board card in the prior art, the utility model provides a service port expansion board card based on an ATCA architecture, and the 10G service expansion board card is connected with the circuit board card by adding a new expansion board card, and can be provided with 16 10G optical modules for outputting 10G service signals to complete the expansion function of the 10G service.
The technical scheme adopted by the utility model is as follows: the utility model provides a business port extension board card based on ATCA framework, includes the circuit board card that is equipped with on backplate one end face, including electrical power generating system and FPGA on the circuit board card, its characterized in that: the circuit board further comprises an expansion board card, a connector IV and a connector VI which are arranged on the circuit board card, wherein the connector IV is connected with a power supply system, and the connector VI is connected with the FPGA;
the expansion board card is provided with a connector III, a connector V, a power supply chip, a hot plug chip, an IIC expansion chip, a 10G optical module, an IO expansion chip and an IIC buffer chip; the 10G optical module is respectively connected with the IIC expansion chip, the IO expansion chip and the connector V; the connector V is respectively connected with the IIC buffer chip, the IIC expansion chip and the IO expansion chip, and the IIC buffer chip is respectively connected with the IO expansion chip and the IIC expansion chip;
the connector III is connected with a power chip through a hot plug chip, and the power chip supplies power for each device and the 10G optical module;
the expansion board card is fixed on one end face of the backboard, the connector III is connected with the connector IV through a rectangular opening of the backboard, and the connector V is connected with the connector VI through a rectangular opening of the backboard.
The 10G optical module is used for receiving and transmitting 10G service data and performing photoelectric conversion; the IIC expansion chip is used for expanding a plurality of IIC interfaces through one IIC interface and communicating with the 10G optical module; the IO expansion chip is used for expanding the common IO ports, and a plurality of common IOs are controlled through one IIC interface, so that the 10G optical module is controlled and the state is read; the IIC buffer chip is used for realizing the IIC interface hot plug function of the IIC expansion chip and the IO expansion chip; the connector V is used for butting with the circuit board card to complete the connection of high-speed signals and common signals of the circuit board card and the expansion board card; the connector III is used for butting with the circuit board card to finish the power supply of the circuit board card to the 12V power supply of the expansion board card; the hot plug chip is used for supporting the power supply hot plug function of the expansion board card; the power chip is used for converting a 12V power supply into a 3.3V power supply and supplying power to each chip and the optical module of the expansion board card.
The utility model has the following advantages: 1. the number of the 10G service ports is increased from 72 to 168, and for the device, the 10G service throughput is increased from 72G to 168G, which is doubled, and the 10G service bearing capacity of the system is greatly enhanced; 2. the size has good compatibility, the original chassis is not required to be modified, and the backboard is only required to be modified; 3. the expansion card is convenient to insert and extract, and the insertion and extraction can not affect any service of other boards; 4. the adjustment is flexible, and the number of expansion cards can be increased or reduced arbitrarily according to the requirements.
Drawings
In order to more clearly explain the technical scheme in the utility model, the PCB board card for expanding service capacity based on the ATCA architecture is further described below with reference to the accompanying drawings.
FIG. 1 is a block diagram of a circuit connection of an expansion board of the present utility model;
FIG. 2 is a block diagram of the circuit connection of the expansion board card and the circuit board card of the present utility model;
FIG. 3 is a schematic diagram of an expansion board card of the present utility model disposed on a back plate and connected to a circuit board card;
FIG. 4 is a schematic diagram of a prior art backplane connected to a circuit board card;
fig. 5 is a schematic diagram of the position of a circuit board card in the ATCA architecture of the prior art.
Description of the embodiments
Embodiments of the present utility model will be explained in detail below with reference to the drawings.
As shown in FIG. 1, the expansion board card 3 is provided with a connector III 3-1, a connector V3-2, a power chip, a hot plug chip, an IIC expansion chip, a 10G optical module, an IO expansion chip and an IIC buffer chip.
The expansion board card 3 is provided with 16 SFP+ optical modules, each optical module is connected with the 1 st to 32 nd differential signal pins of the high-speed signal connector V3-2 (TYCO-6469048-1) through high-speed Transmission (TX) and Receiving (RX) data lines, after the expansion board card 3 is in butt joint with the circuit board card 2, the 1 st to 32 nd differential signal pins of the high-speed connector VI 2-2 (TYCO-2065657-1) of the circuit card are connected, and then the high-speed signal line of the PCB of the circuit board card 2 is connected with the FPGA of the circuit board card 2, so that 10G service signals of the circuit board card 2 are output through the SFP+ optical modules of the expansion board card 3.
48 control and status reading pins (including LOS, ABS and TX_DIS) of the 10G optical module are respectively connected with 40 and 8 IO pins of IO expansion chips CAT9505 and CAT9555, the IIC interface pins and RST pins of the IO expansion chips CAT9505 and CAT9555 are connected with 33-35 pins of a high-speed connector V3-2 (TYCO-6469048-1), and after the expansion board card 3 is in butt joint with the circuit board card 2, the 33-35 pins of a high-speed connector VI 2-2 (TYCO-2065657-1) of the circuit board card are connected with the IIC interface pins and AJ12 common pins of a main control chip of the circuit board card 2. Thus, the main control chip can realize partial control and status reading functions of the expansion card optical module.
The 16 IIC interface pins of the 10G optical module 1-8 are connected with the 16 IIC interface pins of the IIC expansion chip PCA9548A_I, the 16 IIC interface pins of the optical module 9-16 are connected with the 16 IIC interface pins of the IIC expansion chip PCA9548A_II, the main IIC interface pins of the 2-chip IIC expansion chip are respectively connected with the 36 th-39 th pins of the high-speed connector V3-2 (TYCO-6469048-1) through the IIC interface buffer chips LTC4301_I and LTC4301_II, and the 36 th-39 th pins of the high-speed connector VI 2-2 (TYCO-2065657-1) of the circuit board card are connected with the IIC interface pins of the main control chip of the circuit board card 2 after the expansion board card 3 is in butt joint with the circuit board card 2. Thus, the control and status reading functions of the main control chip on the other part of the expansion card optical module are realized.
The 12V pin of the power connector III 3-1 (ERNI_120943_1) is connected with the 12V pin of the power connector IV 2-1 (ERNI_114402_1) of the circuit board card 2 so as to obtain a 12V power supply, the input pin of the power hot plug chip LTC4219 is connected with the 12V pin of the power connector III 3-1 (ERNI_120943_1), the output pin is connected with the input pin of the power chip BMR461, and the output pin of the power chip BMR461 outputs 3.3V voltage and is connected with the 3.3V power supply plane of the whole board card so as to supply power for each device and the optical module.
As shown in fig. 2 and 3, a circuit board 2 is arranged on one end face of the back plate 1, an expansion board 3 is fixed on one end face of the back plate 1, a connector III 3-1 is connected with a connector IV 2-1 through a rectangular opening of the back plate 1, a connector V3-2 is connected with a connector VI 2-2 through a rectangular opening of the back plate 1, the connector IV 2-1 is connected with a power supply system, and the connector VI 2-2 is connected with an FPGA. The backboard 1 is provided with a connector I1-1.
The utility model expands the specific of the board 3 the size is determined according to the size of the case.
Fig. 4 is a schematic block diagram of a circuit board, and a power supply system, an FPGA, a main control chip, an sfp+ optical module, a QSFP28 optical module, and connectors ii 2-3 are arranged on the circuit board 2.
The QSFP28 optical module receives the 100G service signal, transmits the service signal to the FPGA through a high-speed link, processes the signal through the FPGA and outputs the signal through 12 SFP+ optical modules according to requirements.
Fig. 5 is a front panel view of a circuit board card, from which it can be seen that there is no more space on the panel for the openings of the SFP + optical modules.
In view of the foregoing, it is intended that the present utility model be limited to the specific embodiments disclosed herein, and that the appended claims cover all such modifications and variations as fall within the true scope of the utility model.
Claims (2)
1. The utility model provides a business port extension board card based on ATCA framework, includes circuit board card (2) that are equipped with on backplate (1) an terminal surface, including electrical power generating system and FPGA on circuit board card (2), its characterized in that: the circuit board further comprises an expansion board card (3), a connector IV (2-1) and a connector VI (2-2) which are arranged on the circuit board card (2), wherein the connector IV (2-1) is connected with a power supply system, and the connector VI (2-2) is connected with the FPGA;
the expansion board card (3) is provided with a connector III (3-1), a connector V (3-2), a power chip, a hot plug chip, an IIC expansion chip, a 10G optical module, an IO expansion chip and an IIC buffer chip;
the 10G optical module is respectively connected with the IIC expansion chip, the IO expansion chip and the connector V (3-2);
the connector V (3-2) is respectively connected with the IIC buffer chip, the IIC expansion chip and the IO expansion chip, and the IIC buffer chip is respectively connected with the IO expansion chip and the IIC expansion chip;
the connector III (3-1) is connected with a power chip through a hot plug chip, and the power chip supplies power for each device and the 10G optical module;
the expansion board card (3) is fixed on one end face of the backboard (1), the connector III (3-1) is connected with the connector IV (2-1) through a rectangular opening of the backboard (1), and the connector V (3-2) is connected with the connector VI (2-2) through a rectangular opening of the backboard (1).
2. The ATCA architecture based service port expansion board of claim 1, wherein:
the 10G optical module is used for receiving and transmitting 10G service data and performing photoelectric conversion;
the IIC expansion chip is used for expanding a plurality of IIC interfaces through one IIC interface and communicating with the 10G optical module;
the IO expansion chip is used for expanding the common IO ports, and a plurality of common IOs are controlled through one IIC interface, so that the 10G optical module is controlled and the state is read;
the IIC buffer chip is used for realizing the IIC interface hot plug function of the IIC expansion chip and the IO expansion chip;
the connector V (3-2) is used for butting with the circuit board card (2) to finish the connection of high-speed signals and common signals of the circuit board card (2) and the expansion board card (3);
the connector III (3-1) is used for being in butt joint with the circuit board card (2) to finish the power supply of the circuit board card (2) to the 12V power supply of the expansion board card (3);
the hot plug chip is used for supporting the power supply hot plug function of the expansion board card (3);
the power supply chip is used for converting a 12V power supply into a 3.3V power supply and supplying power to each chip and the optical module of the expansion board card (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223536073.1U CN220440845U (en) | 2022-12-30 | 2022-12-30 | Service port expansion board card based on ATCA architecture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223536073.1U CN220440845U (en) | 2022-12-30 | 2022-12-30 | Service port expansion board card based on ATCA architecture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220440845U true CN220440845U (en) | 2024-02-02 |
Family
ID=89702254
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223536073.1U Active CN220440845U (en) | 2022-12-30 | 2022-12-30 | Service port expansion board card based on ATCA architecture |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220440845U (en) |
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2022
- 2022-12-30 CN CN202223536073.1U patent/CN220440845U/en active Active
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