1-32
Cisco 2900 Series and 3900 Series Hardware Installation Guide
OL-18712-02
Chapter 1 Overview of the Routers
LED Indicators
S (Speed)
1 blink + pause
FE or GE port operating at
10 Mb/s.
Back panel
Back panel
2 blink + pause
FE or GE port operating at
100 Mb/s.
3 blink + pause
GE port operating at 1000 Mb/s.
L (Link)
Green
FE or GE link is established.
Back panel
Back panel
Off
No FE or GE link is established.
PVDM 0,1,2,
and 3
Green
PVDM is initialized.
Back panel
Back panel
Amber
PVDM is detected but not
initialized.
Back panel
Back panel
Off
No PVDM installed.
Back panel
Back panel
ISM
Green
Initialized.
Amber
Initialized with error.
Off
Not installed.
1.
LED goes off if the AC power fails or is disconnected. It does not go on and off with the switch.
Table 1-13
Cisco 2900 and 3900 Series Routers LED Indicators (continued)
LED
Color
Description
Cisco 2900
Routers
Cisco 3900
Routers