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ALARM MESSAGES: Network Interface (NI)
STATUS MESSAGES: Network Interface (NI)
61200.076L1-1
TSU 600 System Messages
This appendix lists and defines the alarm and status
messages that appear on the TSU screen.
Red Alarm
Yellow Alarm
being received from far end
Blue Alarm
being
Loss of Signal
Payload On
Line On
Loopback Off
Factory Restore
Power On
Self Test
TSU 600 User Manual
Appendix D. TSU 600 System Messages
Appendix D
NI unable to frame align with
incoming signal
Remote alarm indication (RAI)
Unframed all ones (1s) (AIS)
received at NI
No signal detected at NI
Payload loopback activated
Loopback off
All loopbacks deactivated
Factory setting restored
Unit powered on
Internal self-test performed
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