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document without notice. The information herein is believed to
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Page 5 of 8
AMG5526 Instruction Sheet D17299-
00.doc
Front Panel Indicators
Power / Opto LED
Power / Opto ........................................ Green
-
Unit powered, Opto sync.
Red
-
Unit powered, no Opto sync.
Off
-
No power applied to unit
Low Speed Data LEDs
Data Present IN (RS485 or RS422) .... Green
-
logic zero (+V, -V) present on IN+, IN-
Red
-
logic one (-V,V+) present on IN+, IN-
Off
-
tri-state off or no connection on IN+, IN-
Data Present IN (RS232) .................... Green
-
logic zero (+V) present on input IN+
Red
-
logic transitions present on input IN+
Off
-
logic one (-V) present on input IN+
IN corresponds to the data signals being transmitted onto the optical fibre.
Data Present OUT (RS485 or RS422) Green
-
logic zero (+V,-V) present on OUT+, OUT-
Red
-
logic one (-V,+V) present on OUT+, OUT-
Off
-
tri-state off or no connection on OUT+, OUT-
Data Present OUT (RS232) ................ Green
-
logic zero (+V) present on OUT+
Red
-
logic transitions present on OUT+
Off
-
logic one (-V) present on OUT+
OUT corresponds to the data signals being received from the optical fibre.
Alarm LEDs
Channel 1
ALARM 1 OUT..................................... Green
-
Alarm ON / Contacts closed.
Off
-
Alarm OFF / Contacts open.
ALARM 2 OUT..................................... Green
-
Alarm ON / Contacts closed.
Off
-
Alarm OFF / Contacts open.
Channel 2
ALARM 1 OUT..................................... Green
-
Alarm ON / Contacts closed.
Off
-
Alarm OFF / Contacts open.
ALARM 2 OUT..................................... Green
-
Alarm ON / Contacts closed.
Off
-
Alarm OFF / Contacts open.