��Optical Path Backup:E3 or E6 optical path can be set,or switched,or mandatory switched,to meet requirements of high reliable network;
��NM function:Available with NM Interface(RS485),to facilitate an easy achievement of network management;
��Flexible Configuration:4\8\12\16E1 optical devices and multiple optional service interfaces are derivable from the system master board,to cater to different users and meet their requirements for customization;
��Various Functional Modules:User interface modules(N��64K V.35,V.35,FXO/FXS,RS232/RS485,etc.),order wire module,NM module(RS422/485,RS232,10BaesT interface,etc),RS232 data channel module,alarm output terminal module,switching value channel module,and so on are available;
��Self-Contained Alarm Indicating Function:Able to monitor alarm status of local equipment;
��Rich Loop back Testing Function:Each E1 channel available with independent local and remote loop back function;
��A transmission distance of 30km without relay (80km long-distance transmitter type optional);
��Modular design for entire equipment,in compact structure(19�� 1U structure adopted);
��Provided with remote power failure alarm detecting function(optional)

Electrical
Interface Bit Rate 2.048Mbit/s ��50ppm
Max. Transmission Rate 100Mbit/s
Different interface types can be selected in compliance with corresponding interface standards.
Structure & Dimensions
Chassis Type(19��):
Exterior Dimensions 440mm(W)��43.5mm(H)��150mm(D)
Weight 1.5kg
Rack Type EIA 19�� Rack Type
Optical
Line Bit Rate 100 Mbit/s
Line Code Type 4B5B
Optical Source LD
Output Power ?-9dBm
Receiver Type PINFET
Receiver Sensitivity ?-38dBm(BER ?10-10)
Type of Optical Connector FC/SC
Focus Wavelength 1310/1550 nm