Five-Slot Chassis (Model 4450) - Nortel Passport 4400 Series Hardware Installation Manual

Power Supply

Five-slot Chassis (model 4450)

The five-slot chassis uses a 160W power supply to provide power to the Ethernet
Base Module and expansion modules. Both ac and dc models are available; the
figure below shows an ac unit.
Jumper J12
1
8
Connector for
DVEM Power
Harness
Power Cable
(to Ethernet
Base Module)
Grounding
DVEM Power Harness
The DVEM power harness provides redundant power for Passport 4400 units
containing one or more DVEM modules. The power harness connects the DVEM
modules to the power sharing board. See Section 9, "T1/E1 and Digital Voice
Modules," for more information.
Cable
Status
Cable
Figure 10-3. 5-slot Power Supply
Passport 4400 Hardware Installation Manual
Power Sharing
Slave Power
Supply
Master Power
Supply
Board
Power Supply
Connector
Power Sharing
Cable
10-3