Whether TN52ND2 can substitute for TN12ND2

TN12ND2/TN52ND2 can be created as ND2 on the NMS to substitute TN11ND2. The board substitution does not require software upgrade. After the substitution, the board can function as TN11ND2 only.
When both the transmit and receive boards use FEC encoding, they can substitute for each other. When both the transmit and receive boards use AFEC encoding, they cannot substitute for each other.
The TN52ND2 board can substitute for the TN11ND2 board only when they use 800ps/nm-C band-tunable wavelength-(D)RZ-PIN optical modules.

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