Router Installation Guide
Chapter 3 Installing the Router
Powering on the Router for the First Time
3-29
Cisco XR 12404 Router Installation Guide
OL-13830-02
Step 2 Power on the router by switching on all the circuit breakers and/or plug the power
cord into an active power source that controls power to the router’s AC PEM or
DC power distribution unit (PDU).
Step 3 You should observe the following LED confirmation:
• AC PEMs—Verify the AC PEM LEDs are on and that the status is OK
(Figure 3-17).
Figure 3-17 AC PEM LEDs
1 Input OK Green AC is present and within specified limits
2 Output OK Green Power supply module is operating normally in
a powered up condition
3 Output Fail Amber Power module is operating in a fault condition
and shutdown has occurred
IN
P
U
T
O
K
O
U
T
P
U
T
F
A
IL
I
N
P
U
T
1
0
0
-
2
4
0
V
1
2
A
5
0
/
8
0
H
Z
O
U
TP
U
T
O
K
66290
INPUT
OK
OUTPUT
FAIL
OUTPUT
OK
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