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The orientation of the fiber optic terminations on the TCSESM mananged switches are reversed from that
found on the 499NOS27100 mannaged switches.
Goals and Symptoms
Inform the user that the orientation of the fiber optic terminations on the TCSESM mananged switches
are reversed from that found on the NOS mannaged switches.
Facts and Changes
All TCSESM managed switches.that have fiber optic connections.
Causes and Fixes
The fiber optic Ethernet connection terminations on the TCSESM switches are labeled as transmit
and receive using a circle with an arrow pointing to the left or right direction.
The fiber optic Ethernet connection terminations on the 499NOS27100 managed switch is not labeled
and it is very difficult to determine which connection is for transmit and receive.
If you assume the terminations on both the switches are oriented in the same manner, this could
cause a problem when the two different switches are connected together in a redundant ring.
When connecting both type of switches together in a redundant ring configuration, the user should
be aware that:
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