Hi, There are certain steps and precautions to take before and during installing the port module. For the cisco procedure you can go to: [URL] Check from page I-38 onwards.  For DELL EMC procedure contact your local team, and they will assist with the replacement or inserting a new switching module.  Best Regards, Ed
Hello All,  What steps to follow to diligently Add 32 port line card to empty slot in 9509 MDS switch?
How to Add 32 port Line card to Cisco MDS 9509