3-16 CHAPTER 3: INSTALLING MODULES INTO THE MSH CHASSIS
DUA1800-0AAA04
Before You Begin

Blanking Plates

The MSH chassis is supplied with blanking plates to cover single
or multiple module slots. The blanking plate sizes are:
■1 slot
■3 slots
■5 slots
It is essential that unpopulated slots are fitted with blanking
plates to allow the controlled c irculation of cooling air and to
prevent the ingress of dust.
Fitting Blanking Plates
1Choose a plate that is the correct size for the slot(s) that you need
to cover.
2Remove the locking bar from the front of the chassis.
3Align the plate over the slot and tighten the captive, knurled
thumb-screws at the top and bottom.
4Reposition the locking bar and fully tighten the two screws to
secure it in place.
Removing Blanking Plates
1Remove the locking bar from the front of the chassis.
2Loosen all captive, knurled, thumb-screws at the top and bottom
of the blanking plate and lift it clear of the MSH chassis.
3Reposition the locking bar and fully tighten the two screws to
secure it in place.
4Store the plates in a safe place until they are needed again.

Chassis.bk : CHAPTER3 Page 16 Monday, February 10, 1997 1:11 PM