Nortel Meridian 1 Manual page 542

Figure 8-24
Power connectors on the rear of the NT5D21 Core/Network Module
NT5D21
E connector
Frame ground
Note: AC-powered system shown. With DC-power, module power connectors connect to
each other.
D connector
bolt
Upgrade system installation Upgrading to Meridian 1 system options
Meridian 1 option 21 upgrades
System
monitor
Do not disconnect
connectors
J2 J1
LRTN
FGND
Do not disconnect
8-99
J2
Module power
connectors
J3
(see Note)
MPDU
(AC-powered
systems only)
553-6415