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Installation and Operation Manual Chapter 5 Monitoring and Diagnostics
Egate-100 Ver. 4.0 Detecting Problems 5-13
Name Color Function
SYNC 1 Green STM-1/OC-3 version:
On: STM-1 port is synchronized
Off: LOS, LOF
DS-3 version:
On: T3 port is synchronized
Off: LOS
Alarms and Events
Egate-100 maintains a cyclic event log file that stores up to 2000 events. All
stored events are time-stamped. The event log file contents may be viewed on
the ASCII terminal or a Network Management Station (NMS). The event view it
may be cleared at any time.
To detect and resolve faults/errors, choose one of the following options:
Check for active alarms. For instructions, refer to
Displaying Alarms
.
Review the events recorded in the event log. For instructions, refer to
Displaying Events
. For lists of possible events and alarms, refer to the tables
below.
Perform external and internal loopback tests, such as ATM port timed external
loop (towards the line) or ATM port timed internal loop (towards the ATM
link).
Perform cell tests, in which a predefined cell is sent towards the ATM link.
Review the troubleshooting chart based on LED indications or other inputs. A
troubleshooting chart is available in
Table
5-20
.
Table
5-7
-
Table
5-18
list alarms and events that may appear in the event log.
Table
5-5
lists the sources for the various alarms. A list of traps can be found in
Table
5-19
.
Table
5-5. Sources for Alarms and Events (SDH/SONET)
Alarm/Event Source Description
DEVICE System alarms and events
P1 SDH SDH/SONET port 1 alarms
P2 SDH SDH/SONET port 2 alarms
P1 SOH SDH/SONET port 1 SOH-level alarms
P2 SOH SDH/SONET port 2 SOH-level alarms
P1 HVC
P1 HVC 1.. 3
SDH port 1 HVC-level alarms
SONET port 1 HVC 1-3 level alarms
P2 HVC
P2 HVC 1.. 3
SDH port 2 HVC-level alarms
SONET port 2 HVC 1-3 level alarms
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