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Cisco 10008 Router PRE4 Installation and Configuration Guide
OL-13840-01
Product Overview
Alphanumeric Display
The alphanumeric display on the front panel provides information on the state of the PRE4. The display
consists of two 4-character LED panels.
describes the most common messages. If you report a
problem to Cisco, it is helpful to include the message on the PRE4 alphanumeric display in your problem
report.
CRITICAL, MAJOR,
and MINOR LEDs
Off
No alarm.
Note
Alarm relay contacts can be used to connect the router
to an external visual or audio alarm system. This feature
enables any CRITICAL, MAJOR, or MINOR alarms
generated by the router to activate the visual or audible
alarms. Shutting off an audible alarm does not disable
the alarm LEDs.
Yellow
Indicates an alarm condition.
ACO (Alarm cut–off)
button
n/a
Pressing this button disables an audible alarm.
CompactFlash Disk0
Green
Disk0 is active.
STATUS
Flashing
Yellow
System is booting.
Green
PRE4 is active.
Flashing
Green
PRE4 is standby.
Off
No power to PRE4.
FAIL
Yellow
A major failure has disabled the PRE4.
Off
The PRE4 is operating correctly.
BITS
Green
BITS input to the PRE is configured and functioning normally.
Yellow
BITS input to the PRE is configured, but not functional. For
example, the framer may have detected a Loss of Signal (LOS
)
.
Off
BITS input to the PRE4 is not configured.
Table 2
PRE4 LED Status and Button Descriptions (continued)
LEDs and Button
Status
Description
Table 3
Messages on PRE4 Alphanumeric Display
Message
PRE4 Status
1111, 2222, 3333, 4444, 5555, 6666,
7777
The PRE4 has just been powered on and is running its
power-on self-test.
ROM DONE
The PRE4 has loaded the ROM monitor. This message
appears briefly if the system is configured to boot a Cisco
IOS software image. If the system is not configured to
boot Cisco IOS, this message remains on the display and
the rommon> prompt appears on the terminal window.
AUTO BOOT
The ROM monitor is preparing to boot a Cisco IOS image.
BOOT IMGE
A Cisco IOS image is starting to boot.