CN204216918U - multi-service optical access device - Google Patents

Abstract

The utility model is multi-service optical access device, comprises 17 board slots, and wherein the 1st board slot is NMU monitoring panel slot; 2-15 board slot is business board slot, and 16-17 board slot is power supply disks slot; 1st board slot NMU monitoring panel comprises 1 webmaster mouth, 1 webmaster cascade port and 1 debugging configuration mouth; 16-17 board slot power interface; 2-15 board slot is to the business board that 14 should be had to configure, and its each business board is the PDH optical interface of 4 road bureau's end telephone service interfaces, 0 or 2 road E1 business interfaces, 1 road 10/100M linear speed Ethernet service interface, 1 or 2 road 139M.Advantage: meet the multi-service of each operator, flexible Application, in real time controlling and management ruuning situation demand, fills up the deficiency of large-scale multi-service optical access device cost of idleness in Access Network complicated business and the application of elastic traffic amount.

Description

Multi-service optical access device

Technical field

The utility model relates to a kind of GF8-06Gm type multi-service optical access device, realize multichannel Ethernet service, multichannel E1 business and the multichannel local side telephone service hybrid multiplex function to PDH light, client can business interface quantity flexible configuration business board quantity according to the actual requirements, and monitoring panel can real-time remote monitoring and management whole system ruuning situation again simultaneously.This small low-cost multi-service soft exchange has the features such as integrated level is high, cost performance is high, capacity is large, networking flexibility.

Background technology

The GF8-06Gm type multi-service optical access device of current use, in actual applications, multichannel Ethernet service, multichannel E1 business and multichannel local side telephone service are linked in PDH network by 2 optical fiber (two fibre) and transmit.139M bandwidth shared by 4 road bureau's end telephone services that every block business board 1 road Ethernet service, 0 or 2 road E1 business and E1 change out, wherein every road E1 business takies a 2.048M bandwidth, the 1 every road of road Ethernet service is maximum reaches 100M bandwidth, and four road bureau's end telephone services take 1 2.048M bandwidth altogether.This small low-cost multi-service optical access device, meet the multi-service of each operator, flexible Application, in real time controlling and management ruuning situation demand, fill up the deficiency of large-scale multi-service optical access device cost of idleness in the business and the application of elastic traffic amount of Access Network complexity.

Summary of the invention

The utility model proposes a kind of multi-service optical access device belonging to small low-cost multi-service optical access device, its object is intended to meet the multi-service of each operator, flexible Application, in real time controlling and management ruuning situation demand, fills up the deficiency of large-scale multi-service optical access device cost of idleness in the business and the application of elastic traffic amount of Access Network complexity.

Technical solution of the present utility model: multi-service optical access device, is characterized in that comprising 17 board slots, and wherein the 1st board slot is NMU monitoring panel slot; 2nd-, 15 board slots are business board slots, and the 16th-17 board slots are power supply disks slots;

The 1st described board slot NMU monitoring panel comprises 1 webmaster mouth, 1 webmaster cascade port and 1 debugging configuration mouth;

16th-, 17 board slot power supply disks are all 1-48V DC power supply interfaces;

2nd-, 15 board slots are to the business board that 14 should be had to configure, and its each business board is 4 road bureaus' end telephone service interfaces, 0 or 2 road E1 business interfaces, and 1 road 10/100M linear speed Ethernet service interface, 1 or 2 road 139M PDH optical interface.

Advantage of the present utility model: belong to small low-cost multi-service optical access device, can save more cost in based on the application network of a large amount of telephone service; Standard 19 inches, 4U cabinet, easy for installation; Have 14 business slots, client can flexible configuration according to demand; Also according to user's request, direct current (DC-48V) power interface dish can be provided; Support SNMP network management; There is perfect, friendly, abundant network management interface; simple to operate, understandable; also have various safety precautions can meet the multi-service of each operator, flexible Application, in real time controlling and management ruuning situation demand simultaneously, fill up the deficiency of large-scale multi-service optical access device cost of idleness in the business and the application of elastic traffic amount of Access Network complexity.

Accompanying drawing explanation

Accompanying drawing 1 is that the structure of multi-service optical access device connects schematic diagram.

Accompanying drawing 2 is structural representations of NMU monitoring panel inner function module in multi-service optical access device.

Accompanying drawing 3 is internal structure schematic diagrames of business board in multi-service optical access device.

Accompanying drawing 4 is structural representations of business board fpga chip inside.

Embodiment

Multi-service optical access device, its structure comprises 17 board slots, and wherein the 1st board slot is NMU monitoring panel slot; 2nd-, 15 board slots are business board slots, and the 16th-17 board slots are power supply disks slots;

The 1st described board slot NMU monitoring panel comprises 1 webmaster mouth, 1 webmaster cascade port and 1 debugging configuration mouth;

16th-, 17 board slot power supply disks are all 1-48V DC power supply interfaces;

2nd-, 15 board slots are to the business board that 14 should be had to configure, and its each business board is 4 road bureaus' end telephone service interfaces, 0 or 2 road E1 business interfaces, and 1 road 10/100M linear speed Ethernet service interface, 1 or 2 road 139M PDH optical interface.

The technical solution of the utility model is further described below in conjunction with accompanying drawing:

Contrast accompanying drawing 1, multi-service optical access device, its structure is altogether containing 3 interface sections.Four road bureau's end telephone service interfaces, 1 or 2 PDH optical interface that every block business board jig has 1 road 10/100M Ethernet interface, 0 or 2 road E1 (1-2) interfaces, 1 road E1 business to go out through internal conversion; Whole system is according to the business board quantity configured, and corresponding multichannel Ethernet service, multichannel E1 business and multichannel local side telephone service, be total to corresponding three interface sections.First interface section is for fixing No. 1 slot board-NMU monitoring panel part, comprise 1 webmaster mouth, 1 webmaster cascade port and 1 debugging configuration mouth, 1 webmaster mouth and 1 webmaster cascade port all belong to ethernet communication mouth, NM server and cascade GF8-06Gm type multi-service optical access device webmaster mouth is connected to respectively with twisted-pair feeder, 1 debugging configuration mouth is serial ports RS232 port, connect PC by the Serial Port Line worn, the debugging to equipment and configuration can be realized.RS232 serial ports by backboard and each business board card docking, real-time monitor and managment whole system running status; Second interface section is flexible configuration 2-15 groove business disc portion, 06m2OU-2E1FE4O, 06m2OU-FE4O, 06mOU-2E1FE4O, 06mOU-FE4O business board all can be inserted in each slot, and above four kinds of business boards are corresponding respectively: have " 1+1 " PDH optical interface, 1 road 10/100M linear speed Ethernet interface, 2 road E1 data traffic interfaces, 4 road bureau's end telephone service interfaces; There are " 1+1 " PDH optical interface, 1 road 10/100M linear speed Ethernet interface, 4 road bureau's end telephone service interfaces; There are 1 road PDH optical interface, 1 road 10/100M linear speed Ethernet interface, 2 road E1 data traffic interfaces, 4 road bureau's end telephone service interfaces; There are 1 road PDH optical interface, 1 road 10/100M linear speed Ethernet interface, 4 road bureau's end telephone service interfaces; 1 road 10/100M linear speed Ethernet service data, 0 or 2 road E1 business datums and 4 road bureaus end telephone service data eventually pass through PDH chip hybrid and are multiplexed in PDH network; Every block board RS232 serial ports is connected to backboard, and docking monitoring panel serial ports, coordinates the monitor and managment realizing whole system real-time running state.3rd interface section is fixing 16-17 slot board-power supply disks part; two block power supply dishes of 16 and 17 grooves adopt " 1+1 " protected mode; increase the reliability of system works; every block power supply dish provides-48V a power interface, goes out the various voltages needed for system cloud gray model after power module conversion.

The data differential signals input/output end of Ethernet FE electricity mouth connects with the input/output terminal of the Ethernet connection device such as switch or computer PC respectively through twisted-pair feeder, as both input/output terminals fail correspondence, GF8-06Gm type multi-service optical access device can identify direct-connected or intersection ethernet line automatically, carries out correspondence and ensures to connect correctly.The light signal input/output end of optical fiber interface connects through the entrance input/output terminal of optical fiber and optical transport network, and the speed of light signal is 139MHz.The local side telephone service interface that E1 and internal conversion go out adopts corresponding interface unit join dependency equipment.

Contrast accompanying drawing 2, NMU dish inner function module in multi-service optical access device, its structure comprises 1 Ethernet switching chip (BCM53101), 3 network transformers (HST-0041SAR), 1 ethernet PHY chip (IP101A), 1 cpu chip (S3C4510B), 4 SDRAM chips (HY57V641620FTP-7), 1 FLASH chip (S29GL032N90TF103), 1 level transferring chip (MAX232A), wherein in Ethernet switching chip (BCM53101), two-way Ethernet interface is connected respectively to panel webmaster mouth and webmaster cascade port through two network transformers (HST-0041SAR), dock after network transformer (HST-0041SAR) between Ethernet switching chip (BCM53101) another road Ethernet I/O and input/output of PHY chip (IP101A), the MII signal I/O of ethernet PHY chip (IP101A) is connected with the MII signal input/output of cpu chip (S3C4510B), cpu chip (S3C4510B) is by the SPI interface management Ethernet switching chip (BCM53101) of simulation, cpu chip (S3C4510B) connects in 4 SDRAM (HY57V641620FTP-7) storage systems operations data cached by A/D bus, cpu chip (S3C4510B) connects configuration data in the operation of FLASH chip (S29GL032N90TF103) storage system by A/D bus, cpu chip (S3C4510B) RS232 serial ports connects panel debugging configuration mouth through level transferring chip (MAX232A).

Ethernet PHY chip (IP101A) and exchange chip (BCM53101) complete the function of Ethernet physical layer for transmission and data link layer, mainly complete data cube computation to transmission medium.Generally follow IEEE 802.3z standard, function comprises coding and decoding to signal, transmitting-receiving process, management and control etc., wherein exchange chip (BCM53101) is total exchange pattern, by the Ethernet data of panel webmaster mouth, webmaster cascade port and cpu chip (S3C4510B) mutually to logical.

Level transferring chip (MAX232A) completes the conversion of level between PC serial ports and CPU serial communication.

Contrast accompanying drawing 3, business dish inner function module in multi-service optical access device, its structure comprises 1 Ethernet switching chip (BCM53101), 1 network transformer (HST-0041SAR), 1 PDH chip (RC7017), 1 fpga chip (EP1C3T144C8N), 1 cpu chip (STC11L32XE) and four thick film modules (MYP2033CB), several chip is also had to be optional (1 2M module E1-INT in addition, 1 driving chip 74LS240, 2 2M transformer 16ST1221T), this part optional chip determines whether weld according to client the need of 2 road E1 business, wherein Ethernet switching chip (BCM53101) road Ethernet interface connects panel Ethernet service mouth through network transformer (HST-0041SAR), the MII signal I/O of Ethernet switching chip (BCM53101) is connected with the MII signal input/output of PDH chip (RC7017), PDH chip (RC7017) 1 or 2 road PDH light message input/output end is by being capacitively coupled to the signal input/output terminal of 1 or 2 road optical modules, PDH chip (RC7017) 2 road E1 interface connects panel 2 road E1 interface through 2M module E1-INT, driving chip 74LS240,2 2M transformer 16ST1221T, the I/O port on PDH chip (RC7017) 1 road E1 interface access fpga chip (EP1C3T144C8N), other several mouthfuls of I/O ports are outputted to through fpga chip intercommunication phone business modular converter, connect four roads thick film module (MYP2033CB), corresponding panel four road bureau end telephone service interface, the SMI interface management exchange chip (BCM53101) that cpu chip (STC11L32XE) is simulated by P mouth, UART interface management PDH chip (RC7017) that cpu chip (STC11L32XE) is simulated by P mouth, cpu chip (STC11L32XE) is by A/D bus interface management fpga chip (EP1C3T144C8N), cpu chip (STC11L32XE) connects backboard by RS232 serial ports, communicates with No. 1 groove NMU monitoring panel, receives NMU and issues control data and report board ruuning situation.

Ethernet switching chip (BCM53101) completes the function of Ethernet physical layer for transmission and data link layer, mainly completes data cube computation to transmission medium.Generally follow IEEE 802.3z standard, function comprises coding and decoding to signal, transmitting-receiving process, management and control etc., configures special line, Ethernet data is converted to MII interface data and docks with PDH chip (RC7017) between this Ethernet interface and MII interface.

PDH chip (RC7017) is asic chip, complete 8 road E1 tributary signals and 1 road 100M at full speed FDX Ethernet data to the hybrid multiplex of PDH optical interface (139M).By the 8 road E1 tributary signals received after clock recovery and HDB3 are decoded, the Ethernet data mixing framing received with MII interface, through scrambler and parallel-serial conversion, sends to two PCML high-speed interfaces (PDH light); After receiving two-way PCML high-speed interface data, preferentially choose a road signal according to signal quality, recovered clock and data also carry out serioparallel exchange, and conciliate after frame through descrambling code, decomposable asymmetric choice net goes out various data and is sent to E1 interface and MII Ethernet interface.

Fpga chip (EP1C3T144C8N) coordinates CPU to complete local terminal and far-end monomer working condition by A/D bus, and completes the conversion of road 2.048M data to four road bureau's end phone datas.Carry out decoding by address bus, complete the read-write of different register, configuration CPU completes the monitoring of board and remote equipment ruuning situation; The E1 data received are changed by HDB3 to NRZ pattern, separate frame head, separate data and signaling data, deliver to four thick film modules (MYP2033CB) respectively; The data four thick film modules (MYP2033CB) sent here deliver to E1 receiving terminal by framing, the conversion of NRZ to HDB3 pattern.

Four thick film modules (MYP2033CB) complete telephone service and connect and modulus and digital-to-analogue conversion.The telephone service analog quantity received is carried out analog-to-digital conversion, delivers to fpga chip (EP1C3T144C8N) and process; The telephone service numerical data that fpga chip (EP1C3T144C8N) solves is carried out digital-to-analogue conversion, delivers to telephone service port.

Contrast accompanying drawing 4, the structure of business board fpga chip inside comprise HBD3 turn NRZ pattern modular converter, separate 2M data module, separate 64K data module, pattern modular converter that group 64K data module, group 2M data module, NRZ turn HBD3; PDH chip (RC7017) 2M data output end is linked into the pattern modular converter that HBD3 turns NRZ; The pattern modular converter that HBD3 turns NRZ exports data successively through separating 2M data module, separating 64K data module; The output separating 64K data module holds thick film circuit to be connected with four road bureaus respectively; The data access that four road bureau's end thick film circuits export is to group 64K data module; Group 64K data module exports data successively through the pattern modular converter organizing 2M data module, NRZ turns HBD3; The output that NRZ turns the pattern modular converter of HBD3 is connected with the 2M data-interface of PDH chip (RC7017).

Claims (1)

1. multi-service optical access device, is characterized in that comprising 17 board slots, and wherein the 1st board slot is NMU monitoring panel slot; 2nd-, 15 board slots are business board slots, and the 16th-17 board slots are power supply disks slots;

The 1st described board slot NMU monitoring panel comprises 1 webmaster mouth, 1 webmaster cascade port and 1 debugging configuration mouth;

16th-, 17 board slot power supply disks are all 1-48V DC power supply interfaces;

2nd-, 15 board slots are to the business board that 14 should be had to configure, and its each business board is 4 road bureaus' end telephone service interfaces, 0 or 2 road E1 business interfaces, and 1 road 10/100M linear speed Ethernet service interface, 1 or 2 road 139M PDH optical interface.