Cisco XR 12816 Panduan Instalasi - Halaman 18
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Halaman CetakAlarm Card and Line Card Overview
Alarm Card and Line Card Overview
Note
Alarm Cards
Cisco XR 12416 and Cisco XR 12816 Router Chassis Installation Guide
1-18
This section provides general information about alarm cards, line cards and types
of route processors installed in the router.
The Cisco XR 12416 and Cisco XR 12816 Router supports online insertion and
removal (OIR), which allows you to remove and replace a card while the router
remains powered on.
The router is equipped with 2 alarm cards:
One alarm card occupies the dedicated far left slot of the upper card cage.
•
The other alarm card occupies the dedicated far right slot of the lower card
•
cage.
The alarm card slots differ from the rest of the card cage slots in that it is labeled
as an "alarm" card slot, is physically narrower than the other slots, and has a
different backplane connector.
Some of the functions that the alarm cards provide are:
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
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system through the MBus.
Provides connections for an external alarm system.
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Displays the status of the alarm cards, clock scheduler cards, and switch
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fabric cards.
The following components and LEDs are on the front panel of the alarm card
(Figure
1-10):
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)
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Alarm card LEDs:
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Chapter 1
1-4).
Product Overview
AC and
OL-17440-01