Whether TN53ND2 can replace TN52ND2

The TN53ND2 board can be created as 52ND2 or 52ND2 (STND) on the NMS to substitute for the TN52ND2 board without the need of a software upgrade. The substitute board provides only functions of the substituted TN52ND2 board.
The TN53ND2 does not support OTU2e services at a rate of 11.3 Gbit/s on the WDM side, and it cannot substitute for the TN52ND2 board.

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