Raisecom RC802-240B User manual - 4. How To Use
Raisecom Technology Co., Ltd
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4. How to use
4.1. Introduction of the 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
Power (Green), ON when works properly
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
-3
E-6 optical alarm (Yellow): flashing when BER exceeds 10
-6
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
Figure 1. Sketch of RC802-240B, RC804-240B front panel
L line indicates local alarms, R for remote alarms
Fixing Handle
Fixing Handle