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Hardware Installation Guide for the Cisco 4000 Series Integrated Services Router
OL-32185-02
Chapter 1 Overview of Cisco 4000 Series ISRs
Hardware Features of Cisco 4000 Series ISRs
TEMP Temperature
Status
Solid green All temperature sensors in the system are within
acceptable range.
Bezel side All models
Amber One or more temperature sensors in the system are
outside the acceptable range.
Off Temperature is not being monitored.
FAN Fan Status Green All fans are operating. Bezel side All models
Amber One fan has stopped working.
Blinking
Amber
Two or more fans have stopped working, or the fan
tray is removed.
Off Fans are not being monitored.
L Ethernet ports 0
and 1
1
Green Ethernet cable is present and link is established with
other side.
I/O side All models
Off No link.
S Speed of Ethernet
ports 0 and 1
Green
Blinking
Blink frequency indicates port speed:
• 1 blink - 10-Mbps link speed
• 2 blinks - 100-Mbps link speed
• 3 blinks - 1000-Mbps link speed
I/O side All models
Off No link or a non-Ethernet 802.3af/t capable device is
plugged in and powered over the PoE.
SER CON
(right)
Serial Console
Active
Green Active console port is RJ-45.
Note When this LED is on, the USB CON LED is
off.
I/O side
2
All models
USB CON
(left)
USB Console
Active
Green Active console port is USB.
Note When this LED is on, the SER CON LED is
off.
I/O side
2
All models
Off PoE supply is not present.
ISC ISC Slot Status Green PVDM4 is present and enabled. Bezel side All models
Amber Initialized with error.
Off Not present.
FLASH System Flash
Status
Blinking
Green
Compact flash/eUSB flash is present and currently
being accessed.
Note Do not remove the flash device while the
system is powered on.
Bezel side All models
LED Represents Color Description Location
Available
On