How To Use; Introduction Of The Front Panel; Power Indicator; Alarm Indicators - Raisecom RC801 User Manual

4.1. Introduction of the Front Panel

GL
Power LOS on E1

4.1.1. Power indicator

PWR (green): On, power supply is functioning normally.

4.1.2. Alarm indicators

Alarm indicators of both local and remote side can be displayed. The L row indicates "local".
The R row indicates "Remote".
•
General alarm:
GL general alarm indicator (red): Any generated alarm will make GL indicator "on".
•
LOS for E1 link
LOS1~4 E1 link (red): when there is signal loss of any E1 channel, the relative alarm
indicator turns red.
Alarm of optical port:
LOS loss of signal (red): When receiving signals are lost, the alarm indicator turns on.
LOF loss of frame (red): When optical receiving frames lose synchronization, the alarm
indicator turns on.
E-3 bit error alarm (red): ON, when the receiving bit error rate exceeds 10
E-6 bit error alarm (yellow): ON, when the receiving bit error rate exceeds 10

4.1.3. DIP-switch SW1 Setup: All OFF by Default

DIP-Switch SW1 on the front panel is used for setting loop-back detection and saving
the configurations
st th
•
1 ~ 4 : Loop-back
st
1 bit

4. How to use

Alarm of Fiber
Dip-switch
Figure1: Sketch of the front panel of RC800-120B
nd
2 bit
Function Button
rd th
3 bit 4 bit
6
Raisecom Technology Co., Ltd
OFF
ON 1 2 3 4 5 6
NM Interface
-3
.
-6
.
Loop-back