10-5
Cisco 1120 Connected Grid Router Hardware Installation Guide
OL-26438-02
Chapter 10 Router LED Locations and States
Ethernet LEDs – Network Links Status
SFP LEDs – SFP Port States
The router has two SFP ports (labeled ETH 2/1 and ETH 2/2). Each SFP port has the following two
LEDs associated with it:
•
SPD
—Indicates SFP port link speed
•
EN
—Indicates SFP port status
GE LEDs – Gigabit Ethernet Port States
The router has two GE ports (labeled ETH 2/1 and ETH 2/2). Each GE port has a corresponding LED
that indicates the GE link speed for the port.
FE LEDs – Fast Ethernet Port States
The router has six FE ports (labeled ETH 2/3 through ETH 2/8). Each FE port has a corresponding LED
that indicates the FE link speed for the port.
SFP LEDs
LED Label
Color and State
Description
SPD
Green, 2 blinks/pause
100 MB/s link speed on the corresponding SFP port
Green, 3 blink/pause
1000 MB/s link speed
Off
No link established
EN
Green
SFP is installed in the port and the link is active
Amber
SFP is installed but there is an error condition
Green blinking, then off SFP module can be removed from the router
Off
No SFP installed in the port
GE LEDs
Color and State
Description
Off
No link established
Green, 3 blinks/pause
1000 MB/s link speed
Green, 2 blinks/pause
100 MB/s link speed
Green, 1 blink/pause
10 MB/s link speed
Fast Ethernet LEDs
Color and State
Description
Off
No link established
Green, 2 blinks/pause
10 MB/s link speed
Green, 1 blink/pause
100 MB/s link speed