Cisco 7507 Manuel d'utilisateur télécharger pdf (Page 13)

Install Power Supplies in the Router

Install the Hardware

This procedure applies to AC-input and DC-input

power supplies, with differences clearly noted. Do

not mix AC-input and DC-input power supplies in

the same chassis. Install the ﬁrst power supply in the

lowerpower supplybay and thesecond, ifany, inthe

upper bay. In systems with dual power supplies and

DC FAIL

AC POWER

tive

llation

separate available power sources, connect each

power supply to separate input lines—the second

powersource will likelybe available duringa failure.

Step 1 For AC-input power supplies, conﬁrm

that the power on the power supply is off.

For DC-input power supplies, turn off the

circuit breaker to which you will connect

power, and tape the breaker switch to the

off position.

Step 2 Hold the power supply by the handle and

place your other hand underneath it.

Caution Use two hands to remove and

install power supplies.

Step 3 Place the power supply inside the bay, and

align it to go straight into the bay.

Step 4 Push the power supply back into the bay

until its front panel is ﬂush with the

chassis rear panel.

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Cisco 7507 Manuel d'utilisateur Page 13