The AC500-eCo V3 are delivered with all slot covered with option board cover.
The cover have to be removed before inserting an option board.
The TA5300-CVR is intended only for spare parts
1. Press on the option board cover to insert it in the not used option slot of the processor
module PM50xx.
2. The option board cover must click into the not used option slot.
Inserting of the
option board
cover
Accessories > TA5300-CVR Option board cover for option slot
2021/06/293ADR010635, 2, en_US148