Description
The DS3 fiber modem is used to provide 44.736M (T3) converter between electrical interface and optical interface of PDH network.
The converter features compactness, light weight, low power consumption and high reliability.
The 45M O/E Converter operates on 1.31mm lasers, with a typical transmission distance of 40 km over single mode optical fibers. For longer hops, 1.55mm laser sources may be selected.
Exterior power supply, all the functional blocks are integrated on a single PC board, which makes the converter compact and reliable. 220 V AC or – 48 V DC power options are available by selecting an appropriate plug-in power unit.
Specifications
1.1. Optical interface
Connector: SC or FC connector
Wavelength: 1.31μm(typical) , with a typical transmission distance of 40 km over single mode optical fibers
1.2. Electrical interface
Comply with ITU-T G.703 T3 recommendation
Bit rate: 44.736Mbit/s
Impedance: 75W (unbalanced)
1.3. Power
DC type: –48V(–36V to –60V)
AC type: ~220V(176V~265V)
Power consumption: <3W
1.4. Working environment
Temperature: 0 ~50°C
Humidity: ≤90% non condensing
1.5. Dimension
Width: 205mm Height: 46mm Deep: 135mm