Tektronix IBP420, Hardware Installation And Maintenance Manual

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Iris Packet Broker (IPB) 7.13.2 46
Hardware Installation and Maintenance Guide
6
IPB Maintenance Guidelines Rev. 001-140228
P
OWER
S
UPPLIES
This section provides the information needed to remove and replace the power supplies. The
IPB chassis is equipped with two AC or DC power supplies, accessible from the chassis rear.
Before replacing a power supply, verify that a second power supply is present and working
properly.
Replacing a Power Supply
Hot power supplies may cause injury. Allow them to cool before servicing.
Perform the following steps to replace a power supply.
Step Action
1. Perform one of the following:

AC units: Switch the breaker of the power supply to the OFF position.

DC units: Disconnect power from the rack power supply.
2. Remove the power cables from the power supply.
3. Loosen the three retention screws of the power supply (
Figure 6.5
).
4. Remove the power supply from the unit by pulling the handles.
Figure 6.5 - Loosen Retention Screws
Power supply breaker switch
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