Nortel Networks Passport 4400 - Manual (Page 107)

Power Supply Passport 4400 Hardware Installation Manual
10-3
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.
Figure 10-3. 5-slot Power Supply
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.
Jumper J12
1
8
Grounding
Cable
Power Supply
Connector
Slave Power
Supply
Master Power
Supply
Power Sharing
Cable
Power Sharing
Board
Power Cable
(to Ethernet
Base Module)
Status
Cable
Connector for
DVEM Power
Harness