Contbus-B - Cisco ONS 15327 User Documentation

Chapter 14 Alarm Troubleshooting
Procedure: Clear the CONTBUS-A-18 Alarm
Position the cursor over the XTC card in Slot 5.
Step 1
Right-click the mouse to reveal a menu.
Step 2
To clear the alarm, choose RESET CARD to make the standby XTC in Slot 6 the active XTC and clear
Step 3
the alarm.
Wait approximately two minutes for the XTC in Slot 5 to reset as the standby XTC. Verify that the
Step 4
Standby LED is lit before proceeding to the next step.
Position the cursor over the XTC card in Slot 6.
Step 5
Right-click the mouse to reveal a menu.
Step 6
Choose RESET CARD to make the standby XTC in Slot 5 the active XTC.
Step 7
Step 8 If the alarm reappears when the XTC in Slot 5 reboots as the active XTC, the XTC card in Slot 5 is
defective and must be replaced.
Note

14.4.29 CONTBUS-B

•
The communication failure XTC B to shelf slot (CONTBUS-B) alarm means the XTC card in Slot 6 lost
communication with a line card. Cards require frequent communication with the XTC card, because the
XTC card performs system initialization, provisioning, alarm reporting, maintenance, diagnostics, IP
address detection/resolution, SDCC termination, and system fault detection among other operations for
the ONS 15327. The XTC card also ensures that the system maintains Telcordia timing requirements.
This alarm may appear briefly when the ONS 15327 switches over to the protect XTC card. In this
instance, the alarm clears after the other cards establish communication with the new primary XTC card.
In cases where the alarm persists, the problem lies in the physical path of communication from the XTC
card to the reporting card. The physical path of communication includes the XTC card, the card in Slot
X and the backplane.
Caution Always use the supplied ESD wristband when working with a powered ONS 15327. Plug the wristband
cable into the ESD jack located on the lower-right outside edge of the shelf assembly.
Procedure: Clear the CONTBUS-B
Ensure that the reporting card is physically present and that it matches the type of card identified in that
Step 1
slot on CTC.
If this slot is the only one reporting the alarm, perform a software reset of the traffic card:
Step 2
a.
June 2002
When you replace a card with an identical type of card, you do not need to make any changes to
the database.
Major, Non-Service-Affecting
Display the CTC node view.
Cisco ONS 15327 User Documentation, R3.3
Alarm Procedures
14-25