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3 REDUNDANT FUNCTION MODULE
*1 The cause of flashing can be checked in SD1642 (BACKUP/SEPARATE LED flashing cause).
(10) LINK LED Indicates the tracking communication status.
On: Tracking communications being performed
Off: Tracking communications not performed
(11) L ERR LED Indicates the tracking communication error.
On: Tracking communication error (one of the following)
• A receive data is faulty (receive frame error).
• A tracking cable is disconnected.
• A tracking cable is incorrectly inserted.
Off: Normal operation
(12) Optical connector (IN) A connector for one of two tracking cables. The other end of the cable is connected to the OUT connector of
the redundant function module in the other system.
(13) Optical connector (OUT) A connector for one of two tracking cables. The other end of the cable is connected to the IN connector of the
redundant function module in the other system.
(14) Production information marking Shows the production information (16 digits) of the module.
No. Name Description
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