Chapter 3. Configuration
61200290L1-1
MX2800 User Manual
3-17
DS2 Alarms
System Alarms
LOF*
The unit detects a framing loss from the net-
work.
XCV
The controller card is receiving excessive code
violations, exceeding the threshold set by the
user (see
XCV Threshold on page 3-4).
*Sounds critical alarm.
Alarm
Description
RAI
The unit is receiving an RAI (yellow) alarm from
the network across a DS2. This alarm is a sig-
nal sent back toward the source of a failed
transmit circuit. The X-bits (X1 and X2) are set
to zero.
AIS
The unit is receiving unframed all ones across
a DS2.
LOF
The unit detects a framing loss from the net-
work across a DS2.
Alarm
Description
Controller A
Fail*
Controller Card A has failed.
Note: This is a critical alarm only when Card B
is not installed or is not working.
Controller B
Fail*
Controller Card B has failed.
Note: This is a critical alarm only when Card A
is not installed or is not working.
Protection
Switch*
All data has been routed from the primary card
to the stand-by card.
*Sounds critical alarm.
Summary of Contents for TOTAL ACCESS MX2800
Page 8: ...viii MX2800 User Manual 61200290L1 1...
Page 16: ...List of Tables xvi MX2800 User Manual 61200290L1 1...
Page 100: ...Chapter 7 Circuit and Network Redundancy 7 6 MX2800 User Manual 61200290L1 1...
Page 106: ...Chapter 8 Power Loss Recovery 8 6 MX2800 User Manual 61200290L1 1...
Page 110: ...Appendix A Pinouts A 4 MX2800 User Manual 61200290L1 1...
Page 114: ...Appendix B Specifications Summary B 4 MX2800 User Manual 61200290L1 1...
Page 130: ...Appendix D Glossary D 12 MX2800 User Manual 61200290L1 1...
Page 140: ...Index Index 10 MX2800 User Manual 61200290L1 1...
Page 142: ......