Huawei OptiX OSN 3500 Routine Maintenance page 26

Plugging in/Pulling out and Replacing Board
Make sure the board to be replaced and the replacement board

are the same model, e.g., SSN2SL16A04
Boards with the same name can be inserted in all equipments
Board type ID "SSN2SL16A04 "
Handle bar
Board
26