Specifications

Table Of Contents
Appendix B Alarms MX-2100/2104 Installation and Operation Manual
B-6 Alarm Messages
Table B-1. LCD Alarm Messages (Cont.)
Code Message - LCD Message - Terminal Alarm
Type
Description
49 AIS RED ALM AIS RED ALM, SLOT i State The local frame synchronization has
been lost because of AIS reception
50 AIS SY LOS AIS SYNC LOSS,
SLOT i
State The local frame synchronization has
been lost because of AIS reception
51 RED ALARM RED ALARM, SLOT i State Local main link module lost
synchronization to incoming data
stream. May indicate a configuration
error or a technical failure. For T1 links,
this condition is the red alarm
52 E1.L.SY LOS E1 LOCAL SYNC LOSS,
SLOT i
State Local main link module lost
synchronization to incoming data
stream. May indicate a configuration
error or a technical failure. For T1 links,
this condition is the red alarm
53 L MF ALARM LOCAL MF S.LOSS,
SLOT i
Event On an E1 link operating with 256S
framing, the local module has lost
multiframe synchronization
54 R MF ALARM REMOTE MF S.LOSS,
SLOT i
Event On an E1 link operating with 256S
framing, the remote equipment has lost
multiframe synchronization
55 YELLOW ALM YELLOW ALARM,
SLOT i
State Remote equipment lost synchronization
to the incoming data stream. May
indicate a configuration error or a
technical failure. For T1 links, this
condition is the yellow alarm
56 E1.R.SY LOS: A E1 REMOTE SYNC LOSS
SLOT i
State The KML.8 module installed in the
specified slot reports remote loss of
frame alignment (ML-A, ML-B)
57 FRAME SLIP FRAME SLIP, SLOT i Event A main link frame slip has occurred. This
is usually caused by incorrect selection
of clock sources
58 BPV ERROR BPV ERROR, SLOT i State The number of coding errors detected in
the main link signal received by the
active module is too high (the bipolar
violation rate exceeds 1×10
-6
for 1000
consecutive seconds). This may indicate
a fault in the link or in the link
transmission equipment, or a failure in
the active main link module