It is a new generation multi-services transmission and access device based on SDH technologies. It’s function models design adopts G.783 suggestions and provides complete monitor, access, protection, network management and Ethernet access function. It can provide 2 STM-1 uplink interfaces and 63 E1 interfaces, adopts modular structure design for flexible service configurations according to different requirements. It can be used as service access and transmission devices on access layer in the data traffic networks, adopts SNMP network management platform which provides grades powerful management based on Service/Client end mode.
■High-integration, modularized design.
■Provide 2 STM-1 uplink interfaces.Provide 1+1 channel protection, realize fast protection switching.
■63 E1 interfaces
■Complete clock function, provide clock tracking and holding functions.
■2.048Mbit/s external synchronous signal input/output.
■Clock resource can select line clock, external clock or free-run.
■Via SNMP network management system, user can do operations for device and network formed by it and the operations include configuration, maintenance and monitor.
■Network management can realize five major functions included: configuration alarm, performance,
maintenance and security which satisfy with ITU-T suggestions.
■Provide Console interface, support local management via serial port on PC.
■For Ethernet service, GFP and LAPS technology is used, have LCAS function.
■It can be used as TM or ADM.
Operating temperature: 0~50 deg.
Deposited temperature: -20~70 deg.
Relative humidity; <95% ( on-condensing)
Power supply mode: AC220V, AC110V or DC-48V
Power DC-48V: input range DC-36V~DC-72V
Power AC220V: input range AC180V~AC260V
Power AC110V: input range AC90V~130V
Power consumption: <7W
Optical interface performance index
Optical interface performance index complies with ITU-T G.957/G.958
Work wave length: 1310nm
Fiber type: ITU-T G.652/G.653, SM Transmission distance: 0～120Km for option
Receiving sensitivity: <-36 (BER<10) Connector: SC/FC
Complies with ITU-T G.703
Data rate: 2048kbit/s Code: HDB3
Impendence: 75ohm unbalanced, 120ohm balanced for option
Jitter characteristic: complied with ITU-T G.742, ITU-T G.823
1U/19 inch: 483*326*44mm