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34 Chapter 3 Installing the Passport 8250 device
241-5101-200 R2.2
Figure 7
Dual power supply
1 Obtain the following equipment:
• A-48 v DC power supplycable with3W3-D connector for eachpower
supply module.
• Antistatic protection, such as an antistatic glove.
2 If thepower supplymodule is supplied separately, insert thepower supply
module into an empty power supply slot and tighten the four securing
screws with a screw driver.
Verify that the securing screws cannot be loosened by hand.
3 Locate the 3W3-D type input connector on the power supply module.
CAUTION
Antistatic protection
Before handling the power supply, make sure that the
power is off and you are wearing antistatic protection.
Power supply breaker
3W3-D connector
Power supply 1
Power supply 2