
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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