Cisco 4000 Series Hardware Installation Manual page 39

Chapter 1 Overview of Cisco 4000 Series ISRs
Table 1-1 LED Descriptions (Applies to Cisco 4461 ISR, Cisco 4451-X ISR, Cisco 4431 ISR, and Cisco 4351 ISR)
LED Represents
FLASH System Flash
Status
PSU Power
Supply Unit
(P0 and P1)
Status
POE PSU Power Over
Ethernet
(not
Power
supported
Supply Unit
in Cisco
0and 1 Status
IOS XE
3.8)
POE Power Over
Boost Ethernet
Boost Mode
(not
supported
in Cisco
IOS XE
3.8)
GE POE Internal PoE
Daughter
Card Status
PWR System
Power
AC OK AC power
status
1. Cisco 4351ISR does not have SPF 3.
2. Cisco 4461 ISR does not have ISC.
3. Cisco 4351 ISR does not support POE PSU 1.
OL-32185-02
Color Description
Blinking Compact flash/eUSB flash is present and is
Green currently being accessed.
Do not remove the flash device while the
Note
system is powered on.
Green PSU is on and provides power.
Amber PSU is on but with errors or in a failure condition.
Off Power supply is turned off.
Green PSU is on and provides power.
Amber PSU is on but with errors or in a failure condition.
Off PSU is off.
Green Two PoE power supplies are installed and operating
in boost mode.
Off This can mean one of the following:
No PoE PSU is installed.
•
One PoE PSU is installed.
•
• Two PoE PSUs are installed and operate in
redundant mode.
Green PSU is installed and provides power
Amber PSU is installed but in a failure condition.
Off PSU is off.
Green System power is on and system functions correctly. Bezel side
Green System power is in the process of shutting down.
blinking
Amber System power is up, but low level initialization has
failed.
Amber System power is up, but the system has failed to
blinking: come out of reset.
Off System power is off.
Green AC power is on.
Off AC power is off.
Hardware Installation Guide for the Cisco 4000 Series Integrated Services Router
Hardware Features of Cisco 4000 Series ISRs
Location Available On
Bezel side All models
Bezel side All models
Bezel side All models1
Bezel side Cisco 4451-X ISR,
Cisco ISR4431
Bezel side All models
All models
On each All models
power
supply unit
3
3
1-31