Cisco XR 12404 Manual do Utilizador Página 146

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Chapter 5 Maintaining the Router
Removing and Replacing a DC PDU
5-22
Cisco XR 12404 Router Installation Guide
OL-13830-02
Step 1 Power off both PEMs (item 5 in Figure 5-13).
Figure 5-13 DC PEM and PDU Components
Step 2 Power off the circuit breakers assigned to the DC power source.
1 DC PDU 5 On/Off switch
2 DC PEM 6 PDU captive screws
3 PEM captive screws 7 PDU terminal block
4 Status LEDs
INPUT
48/60V
35A
66295
INPUT
OK
OUTPUT
FAIL
OUTPUT
OK
5
6
4
3
7
1 2 3
todd.book Page 22 Monday, March 16, 2009 2:47 PM
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