AMG Systems Ltd. reserves the right to make changes to this
document without notice. The information herein is believed to
be accurate. No responsibility is assumed by AMG for its use.
Page 6 of 12
AMG5904A966B9 Instruction Sheet
D22153-00.doc
Front Panel Indicators
Power LED
POWER ...............................................Green
-
Power is present
Off
-
Power is not present
VIDEO ................................................Off
-
Not used
OPTO TX .............................................Green
-
Tx opto. present
Off
-
Tx opto. is not present
OPTO RX.............................................Green
-
Rx opto. sync.
Off
-
Rx opto. is not sync.
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.
Audio LEDs
Channels 1-14
Audio Present TX.................................Green
-
audio present > -40dBm
Red
-
audio present > 0dBm (overload at +6dBm)
Off
-
audio not present or < -40dBm
This represents the audio signals being transmitted on the optical fibre
Audio Present RX ................................Green
-
audio present > -40dBm
Red
-
audio present > 0dBm (overload at +6dBm)
Off
-
audio not present or < -40dBm
This represents the audio signals being received from the optical fibre.
