Hitachi VSP N400 Hardware Reference Manual page 60

Removing cables
To remove an optical cable, push the top of the connector of the optical cable (1) to release
the latch and remove the SAS cable (2).
To remove a LAN cable, push the top of the LAN cable connector (1) to release the latch and
remove the LAN cable (2).
Chapter 6: Maintaining the storage system
VSP N400, N600 Hardware Reference Guide 60