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TELink was showed in a wrong way in NG-DWDM ASON Ring because the signal flow between the SC2 and the FIU board were not drew according with physical connection

Publication Date:  2012-07-25 Views:  37 Downloads:  0
Issue Description

Huawei engineer was implementing a ASON function in NG-DWDM OSN 6800, V1R4 software version, so, as soon the ASON Topology management was created, Huawei engineer tried to create the TE_Link Management 
using the OSC, with SC2 boards; however the connections created by the TE_Link management between the FIU boards did not match with the physical connections,
 and the ASON services couldn't be created in a good way.

Alarm Information
Null.
Handling Process
Draw the connections between FIU board and SC2 board according with physical connections on site, and verify and verify the TE_Link management that now was 
according to physical connections.
Root Cause
Huawei engineer realized that the logical connections in T2000 signal flow between the SC2 and the FIU board were not drew according with physical connection
 on site (TM1/RM1 and TM2/RM2 was exchanged in the T2000 signal flow drawing), so the T2000 recognized a different TE_Link Management than real physical
 connection.
Suggestions
In NG-DWDM, always draw the connections in the signal flow, according with the physical connection for prevent problems in the ASON implementation. 

END