Symptom:
OTS link not greyed out in CTC even when OSC is down.

Conditions:
Steps to Reproduce 
=============
 -Have SETUP with multiple nodes .
-All the nodes are in 9.23 SDH DWDM package
-OSC is provisioned between many nodes.
-In one node OSC is terminated at the standby contoller card.
-When the contoller card is removed, OSC which is provisioned on that contoller card goes down.
-But in CTC OTS links are not greyed out as expected.



Expected behaviour
============

OTS link should be greyed out when the OSC goes down.