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Help Center4E1 PDH Multiplexer
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IDM-120 PDH multiplexer transmits over one or two fiber channels. The optical interface supports simple ALS function, code of E1 interface is HDB3 which meets all the international standards. It also has perfect monitoring and alarm function, high degree of integration, low power consumption and stable performance. Both desktop type and integrated type are available. 220VAC/-48VDC power supply alternative. It can be widely used in the mobile base stations, remote module of the switch and DDN private network and etc.
1. Features of 4E1 PDH Multiplexer
Provide standard 4E1 transmission.
155Mbps speed rate of the optical interface and transmission distance more than 50km.
Support E1 loopback of COT (central office terminal) and RT (remote terminal), easy to test and manage.
Optical interfaces with 1+1 channel protection.(Either one fails, the other will back it up)
NMS interface optional (RS232/Ethernet).
2. Specifications of 4E1 PDH Multiplexer
2.1 Power Supply
220VAC/-48VDC
Consumption: 40W±10%
2.2 Optical interface
|
Rate |
155Mbps±50ppm |
Wavelength |
1310nm/1550nm |
|
Physical connector |
FC/SC |
Sensitivity |
Better than -36dBm |
2.3 E1 interface
|
Channels |
4 |
Rate |
2.048Mbps±50ppm |
|
Comply with |
ITU-T G.703 |
Code |
HDB3 |
|
Impedance |
75 unbalanced and 120 balanced |
||
2.4 Operating Environment
Temperature: 0ºC~40ºC
Humidity: 90% (non- coagulation)
2.5 Dimensions
440mm×230mm×45mm (Width × Depth × Height)
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