HP ProCurve 1600M Installation Manual page 25

Installing a Switch Module in the Switch 1600M
Insert module into the guides and slide it
in until it stops. Then press in firmly until
the module "snaps" into place and is
flush with the face of the switch. Then
make sure you tighten the retaining
screws on the module .
Installing a Switch Module in the Switch 2424M
Installing the Switch 1600M and 2424M
Installation Procedures
2-7