MX-2100/2104
Installation and Operation Manual
Appendix B Alarms
Alarm Messages
B-5
Table B-1. LCD Alarm Messages (Cont.)
Code Message - LCD
Message - Terminal
Alarm
Type
Description
38
DSU LOOP.B
DSU LOOPBACK,
SLOT i
State
The KML.6 module installed in slot
(ML-A, ML-B) performs a DSU loopback
in response to a network DSU loopback
request
39
LINK ERROR
KTRE/KMBE LINK
ERROR, SLOT i
State
The KTRE or KMBE module installed in
I/O slot (1 through 12) of the local
MX-2100 unit has lost communication
with the remote side
40
LAN ERROR
KTRE/KMBE LAN
ERROR, SLOT i
State
The KTRE or KMBE module installed in
I/O slot (1 through 12) of the local
MX-2100 unit reports that the LAN
insertion process failed
41
KDI FRAME OVF
KDI FRAME
OVERFLOW
Event
Frame overflow occurred. This usually
happens because the timing of link A is
not locked to the timing of link B
42
PIGB HRD ERR
PIGGY-BACK
HARDWARE ERROR A
State
The KML.7 module installed in the
specified slot reports a hardware
problem on the T1 interface board
43
NETWORK LLB
NETWORK LLB,
SLOT i
Event
A network-initiated line loopback has
been activated. This loopback cannot be
disconnected by the system
management
44
NETWORK PLB
NETWORK PLB,
SLOT i
Event
A network-initiated payload loopback
has been activated. This loopback
cannot be disconnected by the system
management
45
DRIVER FAIL
DRIVER FAIL,
SLOT i
State
The KML.8 module installed in the
specified I/O slot reports a hardware
failure in the E1 line driver
46
SIGNAL LOSS
SIGNAL LOSS, SLOT i
State
The KML.8 module installed in the
specified slot reports a loss of input
signal
47
EXECIVE BPV
EXECIVE BPV, SLOT i
State
The number of coding errors detected in
the main link signal received by the
active main link 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
48
AIS OCCURED
AIS OCCURED, SLOT i State
The Alarm Indication Signal (AIS), a
framed “all ones” sequence, is received
on the main link