Nortel Meridian 1 Succession 1000M Installation And Configuration Manual page 129

Procedure 8
Installing the chassis in a 19-inch rack/equipment cabinet
1 Fasten the left chassis guide bracket to the left rack/equipment cabinet
support. Insert two #12-24 self-tapping screws into the two middle slots in
the chassis guide bracket and into the respective holes in the left
rack/equipment cabinet support. Fasten the screws.
Note: The rack/equipment cabinet brackets help guide the chassis into
place, and allow one person to install the chassis in the rack/equipment
cabinet.
2 Fasten the right chassis guide bracket to the right rack/equipment cabinet
support. Insert two #12-24 self-tapping screws into the two middle slots in
the bracket and into the respective holes in the right rack/equipment
cabinet support. Fasten the screws. See Figure 41.
Figure 41
Chassis guide bracket installed in a rack
Mounting the chassis
Small System Installation and Configuration
Page 129 of 562
Use two self-
tapping screws
in the two
middle slots.