Cisco 10000 Series Troubleshooting Manual page 28

Troubleshooting PREs
Figure 3-1
CISCO
10000
ALARMS
Cisco 10000 Series Router Troubleshooting Guide
3-2
PRE Faceplate and LEDs
LED Status
Ethernet port LEDs
Green
Activity
Off
Green
Link
Off
Green
PCMCIA slot 0
Green
PCMCIA slot 1
Off
Critical, Major, and
Minor LEDs
Yellow
Alarm Cut-off (ACO)
switch
Status Flashing
yellow
Green
Flashing
green
Off
Yellow
Fail
Off
Description
Packets are being transmitted
and received.
No activity.
Carrier detected; the port is
able to pass traffic.
No carrier detected; the port is
not able to pass traffic.
Slot 0 is active.
Slot 1 is active.
No alarm.
Indicates an alarm condition.
– Pressing this switch disables
an audible alarm.
System is booting.
PRE is active (primary).
PRE is standby (secondary).
No power to PRE.
A major failure has disabled
the PRE.
The PRE is operating properly.
Chapter 3 Troubleshooting PREs
OL-0439-02