
User's Manual Appendix B LED Indicators
LRS-24 RADview/TDM LRS-24 LED Indicators B-5
Table B-9. ASMi-51CQ/CQ-E1 LEDs
Name Color LED On LED Off Blinking
POWER Green Always – –
DATA Yellow Data is not transmitted or
received
No data is passing Data is transmitted or
received
TST Red Test mode is active in local or
remote unit
Test mode is not on Software download is in
progress
ALM Red Alarm occurs, or an error is
detected in BER testing
– –
SYNC Green
Red
Green ON – Synchronization
has been achieved between
the two modems
Red ON – Loss of
synchronization has occurred
between the two modems
The line is connected
properly and the
synchronization
process is in
progress.
ASMi-52CQ Card LED Indicators
Table B-10. ASMi-52CQ LEDs
Name Color LED On LED Off Blinking
POWER Green Always – –
DATA * 4 Yellow When data is passing When there is no data –
TST * 4 Red When a rest is running on the modem When not On –
ALM * 4 Red
SYNC * 4 Red /
Green
When Loss of Sync occurs on Line
interface
ASMi-51CD/52CD Card LED Indicators
Table B-11. ASMi-51CD/52CD LEDs
Name Color LED On LED Off Blinking
POWER Green Always – –
DATA * 2 Yellow When data is passing When there is no data –
TST * 2 Red When a rest is running on the modem When not On –
ALM * 2 Red
SYNC * 2 Red /
Green
When Loss of Sync occurs on Line
interface
ASMi-52CD/4 Card LED Indicators
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