Failing to Create the 622 Mbit/s Service

The ATM 622 Mbit/s service fails to be created. You need to adjust the VCTRUNK that is bound with VC-4.

Product

• OptiX OSN 1500A/1500B
• OptiX OSN 2500
• OptiX OSN 3500 II
• OptiX OSN 3500
• OptiX OSN 7500

Fault Type

Configuration_Problem

Symptom

The 622 Mbit/s service fails to be created.

Cause Analysis

The four bound VC4 virtual connections are in the first ATM processing unit. The source end or sink end of the created connection belong to the same external port. The bandwidth used at the source end and sink end is 622 Mbit/s x 2 = 1244 Mbit/s, which exceeds the maximum bandwidth of a single ATM processing unit.

Procedure

1. Delete the VCTRUNK that is bound with VC4 timeslots 1 -4.
2. Set up the VCTRUNK that is bound with VC4 timeslots 5 -8.

Reference Information

None.

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