Cisco Internet Router Cisco 12404, Installation And Configuration Manual, Page: 58 / 292

Chapter 1 Product Overview
Power Distribution Unit
1-34
Cisco 12404 Internet Router Installation and Configuration Guide
OL-11636-01
Power Distribution Unit
A chassis can be reconfigured from an AC power source to a DC power source,
and vice versa. A Cisco 12404 Internet router can be either AC powered or
DC powered (
Figure 1-17 and Figure 1-18 ).
The router does not accept two different types of PEMs at the same time.
Conversion can be performed in the field. The conversion procedure requires the
system be powered down and involves replacement of the appropriate PEMs. The
AC– to DC– and vice versa, power conversion process is explained in Chapter 5
of this document.
Figure 1-17 AC PEM
1 AC PEM handle 4 Power cord receptacle
2
On/Off switch
5
LEDs
3
Bail Latch
6
Captive screws
INPUT
OK
OUTPUT
FAIL
INPUT
100-240V
12A
50/80HZ OUTPUT
OK
66289
4 5 6
1 2 3
todd.book Page 34 Tuesday, November 27, 2007 6:02 PM