Nortel Meridian 1 Manual page 620

Figure 9-6
Power connectors on the rear of the NT5D21 Core/Network module
NT5D21
E connector
Note: AC-powered system shown. With DC-power, module power connectors connect to
each other.
D connector
Frame ground
bolt
24 Attach the Core/Network module designation labels, provided in the
upgrade package, at the front and rear of the module (see Figure 9-7).
Attach the large label on top of the existing label. Attach the smaller label
at the rear of the module.
25 Install the module power supply (removed from the CPU card cage) in
the slot labeled "CE pwr sup."
Upgrade system installation Upgrading to Meridian 1 system options
Meridian 1 option 51 upgrades
System
monitor
Do not disconnect
connectors
J2 J1
LRTN
FGND
Do not disconnect
9-41
J2
Module power
connectors
J3
(see Note)
MPDU
(AC-powered
systems only)
553-6415