Cisco 12416 Installation And Configuration Manual page 48

Alarm Card, Line Card, and Rout Processor Overview
Some of the functions that the alarm cards provide are:
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The following components and LEDs are on the front panel of the alarm card
(Figure
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Cisco 12016, Cisco 12416, and Cisco 12816 Router Installation and Configuration Guide
1-22
Supplies +5 VDC to the MBus modules on router components (see
DC Power Subsystems, page
Displays alarm severity levels (critical, major, and minor) detected by the
system through the MBus.
Provides connections for an external alarm system.
Displays the status of the alarm cards, clock scheduler cards, and switch
fabric cards.
1-12):
Critical, Major, and Minor LEDs that identify system level alarm conditions.
A switch to shut off an audio alarm.
Cable connection for an external alarm (labeled Alarm)
Alarm card LEDs:
ENABLED (green)—The alarm card is operational and functioning
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properly.
FAIL (yellow)—The alarm card in that slot is faulty.
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A pair of status LEDs that correspond to each of the 5 card slots in the switch
fabric card cage (2 CSCs and 3 SFCs):
– ENABLED (green)
On—The card installed in that slot is operational and functioning
properly.
Off—Either the slot is empty or the card installed in that slot is faulty.
FAIL (yellow)—The card in that slot is faulty.
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Chapter 1
1-4).
Product Overview
AC and
OL-11495-01