User's Manual

Confidential & Proprietary 87/87
6 Enclosure
Enclosure to satisfy NEMA4;
Enable Wall/Rack Mount;
Check if the system is normal, through the front panel
LED
7 SIU
System Interface Unit
Distribute power and signals of each module
LED information
Unit LED Indicates
ON Green: ECPU is normally power-supplied.
Green: Laser Diode is normal.
LD
Red: Laser Diode is abnormal.
Green: Photo Diode is normal.
PD
Red: Photo Diode is abnormal; check optical cable.
TXD
Green flicker: TX signals are transmitted to communicate with
BIU/OEU
RXD Green flicker: RX signals are received from BIU/OEU.
Green: OEU system is normal.
System
ALM
Red: OEU system is abnormal; check the alarm through RS-232C.