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9-1
Power Supplies
9
This chapter discusses the power supplies available for the following Passport
units:
• 3-slot Chassis power supply (Passport 4430 AC, page 9-1)
• 5-slot Chassis power supply (Passport 4450 AC/DC and Passport 4455
AC/ACR, page 9-2)
• 5-slot Redundant power supply (Passport 4450 ACR/DCR, page 9-3)
3-slot Chassis
The 3-slot Passport 4430 chassis uses a 135 W AC power supply to provide power
to the Ethernet Base Module and expansion modules.
Note:
The three-slot Passport 4430 unit uses AC power only. There
is no option for DC power.
Figure 9-1. 3-slot Power Supply
The power cable connects to the Ethernet Base Module. All expansion modules
in the unit draw power from the Ethernet Base Module through stacking
connectors on the modules.
Power Cable to
Ethernet Base
Module
Grounding
Cable