Alarms Common To Several Interfaces - 3Com SuperStack II PathBuilder S330 Reference Manual

168 C 5: P B
HAPTER ATH UILDER
S330 D P
IAGNOSTICS AND ERFORMANCE
Table 9 MCPU and CTX Module (System) Alarms (continued)
Alarm Meaning
Queue 1 Over The congestion threshold for
Threshold Queue 1was exceeded.
Queue 2 Over The congestion threshold for
Threshold Queue 2was exceeded.
Queue 3 Over The congestion threshold for
Threshold Queue 3 was exceeded.
SAR Initialize Failure Problem with the SAR chip on
the MCPU. MCPU SAR failed
initialization.
System Clock The system clock has reverted
Reverted to a higher priority clock.
System power up System is powered up.
Write Session Taken A super user has changed a
by Super User read-only session to read-write.

Alarms Common to Several Interfaces

Table 10 describes major alarms common to several PathBuilder S330/S310
interfaces.
Table 10 Alarms Common to Several Modules
Alarm Meaning
Alarm Indication An incoming alarm indication
Signal(AIS) signal (AIS) indicates a LOS
problem is occurring on the
line upstream of the
equipment connected to this
port.
Far End Receive The far end equipment has a
Failure problem with the signal it is
receiving from the PathBuilder
device.
(continued)
S
TATISTICS
Troubleshooting Steps
Check and correct VC connections.
Check and adjust VI shaper values.
Check and adjust incoming traffic
volume. Check for faulty IMA links,
which may reduce traffic handling for a
group.
Check and correct VC connections.
Check and adjust VI shaper values.
Check and adjust incoming traffic
volume. Check for faulty IMA links,
which may reduce traffic handling for a
group.
Check and correct VC connections.
Check and adjust VI shaper values.
Check and adjust incoming traffic
volume. Check for faulty IMA links,
which may reduce traffic handling for a
group.
Replace the unit.
Information only. This alarm occurs
only if the Clock Mode is set to
Revertive on the System Clock
Configuration menu.
Information only.
Information only.
Troubleshooting Steps
Check your locally connected
DS3/E3/OC3 equipment, or ask your
service provider to trace the source of
the AIS signal.
Check for a defective cable between
the PathBuilder device network
interface port and your service
provider's network interface unit. An
open transmit line can cause this
condition. Check the LBO setting of the
port.