How To Use; Introduction Of The Front Panel - Raisecom RC802-240B User Manual

4.1. Introduction of the Front Panel

Figure 1. Sketch of RC802-240B, RC804-240B front panel
The front panel includes the indications of E1 receiving signal loss alarms and optical
alarms. All the alarms are for the receiving link (signal input). The Line L indicates the
alarms generated at the local site and Line R at the remote site. The remote alarms are

4. How to use

Fixing Handle
Power (Green), ON when works properly
L line indicates local alarms, R for remote alarms
LOS1~8 E1 alarms (Red): ON when loss of signal in E1 channels
LOS optical alarm (Red): ON when loss of signal in optical link
LOF optical alarm (Red): ON when loss of frame in optical link
E-3 optical alarm (Red): flashing when severe BER exceeds 10
E-6 optical alarm (Yellow): flashing when BER exceeds 10
Fiber connector: DSC/PC for dual-strand fiber, TX for transmit and RX
for receive; SC/PC for single strand fiber
Mask fake alarm button:
Push-in, mask E1 fake alarms; push out, unmask.
Valid for both Unit 1 and Unit 2
Fixing Handle
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