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Chassis Card Cages

Upper Card Cage

Cisco XR 12416 and Cisco XR 12816 Router Chassis Installation Guide

1-14

The status LEDs on a DC PEM provide information about the current operational

status of the power supply:

PWR OK (green)—Indicates that the power supply module is operating

•

normally.

FAULT (yellow)—Indicates that a fault is detected within the PEM.

•

TEMP (yellow)—Indicates the PEM is in an overtemperature condition and

shutdown has occurred.

For additional information about troubleshooting DC PEMs, see the

"Troubleshooting a DC Power Supply" section on page

There are three integral card cages in the chassis: the upper card cage, the lower

card cage, and the switch fabric card cage (see

The upper card cage has eight user-configurable slots that support a combination

of line cards, an alarm card, and an RP.

Alarm—The far left slot is a dedicated slot for an alarm card.

•

Slots 0 through 6—Can be populated with any line cards supported by the

•

router.

Slot 7—The far right slot is reserved for the RP.

•

Chapter 1

Product Overview

4-10.

Figure

1-1).

OL-17440-01