User manual

Raisecom Technology Co., Ltd
5
and is configurable
z There are three status indicators for each E1 circuit:
 LOS: Loss of Signal (local)
 LAL: 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 Traffic counter provides an effective E1 link monitoring by statistics collection of Rx,
TX, total and error packets amount on E1 port.
z 4M Bytes buffer for each Ethernet port to avoid packet loss
3.4. CONSOLE interface parameters
● Connector type: RJ-45
● RS232 compliant
● Rate: 9600bps
3.5. SNMP network management interface parameter
● Utilize one of the 8 fast Ethernet ports, please refer to chapter 3.2
3.6. Power supply
● Redundant power supply.
● Voltage range: -48VDC, –36V - -72V
220VAC, 90V- 264V
● Power consumption: <20W
3.7. Ambience
● Temperature: -5℃-50℃
● Relative Humidity: ≤90%(35℃)