Cisco 15310-MA Instrukcja Naprawy Pobierz pdf (Strona 161)

2-31

Cisco ONS 15310-CL and Cisco ONS 15310-MA Troubleshooting Guide, Release 9.0

78-18394-01

Chapter 2 Alarm Troubleshooting

Alarm Procedures

Step 2 If the reporting card is an ML-100T-8, CE-MR-6, or CE-100T-8 card and automatically resets more than

once a month with no apparent cause, complete the “Physically Replace a Card” procedure on

page 2-163.

Caution Always use the supplied electrostatic discharge wristband when working with a powered ONS 15310-CL

or ONS 15310-MA.

Note When you replace a card with the identical type of card, you do not need to make any changes

to the database.

Step 3 If the alarm does not clear, log into the Technical Support Website at http://www.cisco.com/techsupport

for more information or call Cisco TAC (1-800-553-2447).

2.7.24 AUTOSW-AIS

Default Severity: Not Reported (NR), Non-Service-Affecting (NSA)

SONET Logical Objects: STSMON, VT-MON

The Automatic Path Protection Switch Caused by an AIS condition indicates that automatic UPSR

switching occurred because of an AIS condition. If the UPSR is configured for revertive switching, it

reverts to the working path after the fault clears. The AIS also clears when the upstream trouble is

cleared.

Note This condition is only reported if the path protection is set up for revertive switching.

Generally, an AIS is a special SONET signal that tells the receiving node that the sending node has no

valid signal available to send. AIS is not considered an error. The AIS condition is raised by the receiving

node on each input when the node sees the signal AIS instead of a real signal. In most cases when this

condition is raised, an upstream node is raising an alarm to indicate a signal failure; all nodes

downstream from it only raise some type of AIS. This condition clears when you resolve the problem on

the upstream node.

Clear the AUTOSW-AIS Condition

Step 1 Complete the “Clear the AIS Condition” procedure on page 2-21.

Step 2 If the condition does not clear, log into the Technical Support Website at

http://www.cisco.com/techsupport for more information or call Cisco TAC (1-800-553-2447).

1 2 ... 156 157 158 159 160 161 162 163 164 165 166 ... 379 380

Brak uwag

Cisco 15310-MA Instrukcja Naprawy Strona 161