Whether TN11M40V and TN12M40V, TN12FIU01 and TN13FIU01, and TN11D40 and TN12D40 can function as the spare part of each other

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1. TN12M40V can substitute TN11M40V.
TN12M40V can be created as M40V on the NMS to substitute TN11M40V. The board substitution does not require software upgrade.
After the substitution, the board can function as TN11M40V only. TN11M40V occupies three slots and TN12M40V occupies two slots. When substituting TN11M40V, TN12M40V must be placed in the left slot of the slot housing TN11M40V, and the vacant slot cannot house any other boards.
Note:
To substitute for TN11M40V, the TN12M40V board software must be upgraded to OSN 8800/6800/3800 V100R006C01SPC300 or later, and the version of the NE housing TN11M40V must be OSN 6800 V100R003C02 or later. TN11M40V can be substituted in all NE versions of OSN 8800.
2. TN12D40 can substitute TN11D40.
TN12D40 can be created as D40 on the NMS to substitute TN11M40V. The board substitution does not require software upgrade. After the substitution, the board can function as TN11D40 only. TN11D40 occupies three slots and TN12D40 occupies two slots. When substituting TN11D40, TN12D40 must be placed in the left slot of the slot housing TN11D40, and the vacant slot cannot house any other boards.
Note:
To substitute for TN11D40, the TN12D40 board software must be upgraded to OSN 8800/6800/3800 V100R006C01SPC300 or later, and the version of the NE housing TN11D40 must be OSN 6800 V100R003C02 or later. TN11D40 can be substituted in all NE versions of OSN 8800.
3. TN13FIU can substitute TN12FIU.
a. If the ASON function is not required, the NE software must be upgraded to OSN 6800 V100R004C01 or later, or OSN 8800 V100R002C00 or later.
b. If the ASON function is required, the NE software must be upgraded to OSN 6800 V100R004C03 or later, or OSN 8800 V100R002C00 or later.
c. After the substitution, the board can function as TN13FIU only.

Other related questions:
Difference between TN12D40 and TN11D40
They have different front panel appearances and dimensions. In addition, TN11D40 occupies three slots, while TN12D40 occupies two slots.

Does the ViewPoint 8620 provide spare parts?
The ViewPoint 8620/8630/8630H MCUs have reached end of service and do not provide spare parts. You can use ViewPoint 8650C/8650/8660 MCUs to replace them.

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