User manual
Raisecom Technology Co., Ltd
5
z Only support framed E1 (PCM31, FAS+CRC4 by default), CRC auto-negotiation
and is configurable
z There are four status indicators for each E1 circuit:
LOS: Loss of Signal (local)
PAT: indicator for BERT
LER: local E1 general alarm, including AIS(alarm indication signal),
LOF( Loss of Frame), CRC(Cyclic Redundancy Check)
RAL: remote E1 alarm, including LOS, AIS, LOF, CRC
z Local and remote E1 loop back
z E1 BERT (bit error rate tester) function
z The DIP-switch on the front panel is for the following functions’ configuration
Master and slave management
Enable and disable loop back
Local and remote E1 loop back
BERT function
Auto negotiation, speed and duplex configuration of Ethernet interface
Clock mode configuration
z Remote manageable by RC953-8FE16E1
3.4. Power supply
z Voltage range: -48VDC, –36V - -72V
220VAC, 90V- 264V
z Power consumption: <10W
3.5. Ambience
z Temperature: -5℃-50℃
z Relative Humidity: ≤90%(35℃)