Specifications
Installation and Operation Manual Chapter 6 Troubleshooting and Diagnostics
IPmux-8/16 Ver. 6.00 Handling Alarms and Traps 6-23
Table 6-7. Event List (Cont.)
Event Description Corrective Action
SN ERRORS SLOTx PORTy
BNDLz n EV'S
The N number of sequence errors have
been detected on slot X port Y bundle
Z
See Sequence Errors in Table 6-6
LINE AIS END LINE AIS state detected has ended None
LINE AIS START IPmux-8/16 has AIS (alarm indicator
signal) state on one of its E1/T1
channels
Check for a fault at the SDH network, on
the receive direction
LINE FEBE END LINE FEBE state detected has ended None
LINE FEBE START
(SDH module only)
IPmux-8/16 has LINE FEBE state on one
of its E1/T1 channels
Check for errors in the E1/T1 connection
on the transmit direction
LINE RDI END LINE RDI state detected has ended None
LINE RDI START IPmux-8/16 has LINE RDI (remote
defect indicator) state on one of its
E1/T1 channels
Check for an E1/T1 connectivity fault on
the transmit side
LOCAL FAIL Ethernet frames are not received by the
local IPmux-8/16 on the specified
connection
Check Ethernet/IP path
LOF END LOF state detected has ended None
LOF START IPmux-8/16 has a LOF (Loss of frame
synchronization) state on one of its
E1/T1 channels
Check port cable connection
Check input signal
LOS END LOS state detected has ended
LOS START IPmux-8/16 has a LOS (loss of signal)
state on one of its E1/T1 channels
Check the port cable connection
Check input signal
PS1_ACTIVE OR PS2_ACTIVE One of the IPmux-8/16 power supply
units is powered on
None
PS1_NOT_ACTIVE OR
PS2_NOT_ACTIVE
One of the IPmux-8/16 power supply
units is powered off
Check the external mains supply
REMOTE FAIL Ethernet frames are not received by the
remote IPmux-8/16 on the specified
connection
Check Ethernet/IP path
SYS USER RESET IPmux-8/16 was reset by the user None
Behavior of the Jitter Buffer Overflow, Jitter Buffer Underflow and Sequence Error
depends on the setting of the interval and threshold setting. See explanation under
Configuring Intervals for Bundle Statistics Collection below.
Masking Alarm Traps
You can mask some IPmux-8/16 alarm to prevent their traps from being sent to the
management stations.
Path: Main > Configuration > General Configuration > Management
Configuration > Alarm Traps Mask.
To mask an alarm:
1. Follow the path above to access the Alarm Traps Mask menu (
Figure 6-9).
Note