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 8
AMG4784R-SF Instruction Sheet
D16521-02.doc
Front Panel Indicators
Power LED
Power...................................................Green
-
unit powered
Off
-
no power applied to unit
Video Output LED’s
Video Present CH1-8...........................Green
-
video signal present on output BNC
Org
-
channel present but no video on O/P BNC
Off
-
no video channel present
Fibre Optic LED’s
Primary Opto Sync TX .........................Green
-
optical channel transmitting
Off
-
optical channel not transmitting
Primary Opto Sync RX.........................Green
-
optical channel receiving
Org
-
optical channel receiving but not sync.
Off
-
optical channel not transmitting
Low Speed Data LEDs
Channel A
Data Present TX (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 TX (RS232)....................Green
-
logic zero (+V) present on input IN+
Red
-
logic transitions present on input IN+
Off
-
logic one (-V) present on input IN+
This represents the data signals being transmitted on the optical fibre
Data Present RX (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 RX (RS232) ...................Green
-
logic zero (+V) present on OUT+
Red
-
logic transitions present on OUT+
Off
-
logic one (-V) present on OUT+
This represents the data signals being received on the optical fibre
