Alarm Cards And Alarm Display - Cisco 12410 Installation And Configuration Manual

Chapter 1 Cisco 12010, Cisco 12410, and Cisco 12810 Series Router Overview

Alarm Cards and Alarm Display

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The two alarm cards (in the switch fabric and alarm card cage) provide several
functions:
Supply +5 VDC to the MBus modules on router components (see
•
Power Subsystems, page
• Work in conjunction with the alarm display to monitor the system. The alarm
display (sometimes referred to as the alarm display card) is above the
horizontal cable management bracket
Figure 1-7 Alarm Display Location
Alarm display
A
ALARM A B
ALARM B
Cisco 12010, Cisco 12410, and Cisco 12810 Router Installation and Configuration Guide
1-5).
(Figure
MBUS
CSC SFC
FAIL
ENABLE
A B
0 1 0 1 2 3
4
Switch Fabric and Alarm Card Overview
1-7).
AC and DC
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