Overview
     MOD-155 is an photoelectric converter for STM-1 electrical and optical interface.It provides coverting function between electrical interface and optical interface for STM-1 service based on SDH technology.It carries the data services via the container in SDH.

Features
　◆ High reliability, comply with ITU-T G.703 and G.957
　◆ Provide a standard STM-1 electrical interface complying with G.664.
　◆ Provide a standard STM-1 optical interface complying with G.664.
   ◆ Provide two top-mounted alarm output interfaces in the programmable relay mode, and two switch input interfaces.
   ◆ With excellent synchronization characteristics
   ◆ Optional power supply, DC-48V or AC220V.
　 　
Specifications
1、Optical Port
　Data rate: 155.520Mbps
   Digital signal: Accord to G.707 and G.958
   Wavelength:850/1310/1550nm
   Connector：FC/SC
   Standard: comply with ITU-T G.957 STM-1
2、Electrical Port
   Data rate: 155.520Mbps
   Digital signal: Accord to G.707 and G.958
3、Power Supply Voltage: AC 220V / DC﹣48V
4、Environment Operating temperature: -5℃～40℃
5、Storage temperature:﹣25℃～﹢55℃
6、Relative humidity: 5%～85%, non condensation
7、Weight 4Kg
8、Size: 440mm(W)×227mm(L)×43.5mm(H)

Typical Application