1-11
Cisco 1900 Series Hardware Installation
OL-19084-02
Chapter 1 Overview of the Router
Hardware Features
WLAN
Green
Autonomous Mode
On—Wireless link is up.
Blinking—Ethernet link is up and data is either being
received or being transmitted.
Off—Wireless link is down.
Unified Mode
On—Ethernet link is up, wireless access point is
communicating with LWAPP controller.
Blinking—Ethernet link is up, wireless access point is not
communicating with LWAPP controller.
Off—Ethernet link is down.
Front panel
ISM/WLAN
Green
Initialized.
Rear panel
Amber
Initialized with error.
Flash (1905
and 1921 only)
Green
Blinking means software is accessing the internal USB Flash
(eUSB
2
) device.
Rear panel
Amber
Initialized with error.
CF 1
Green
Flash memory is busy.
Note
Do not remove the CompactFlash memory card
when this light is on.
Next to the
CF1 slot
Amber
Initialized with error.
Blinking
Green
then
turns off
CompactFlash is ready for removal.
Note
Remove the CompactFlash when the light turns off.
CF 0
Green
Flash memory is busy.
Note
Do not remove the CompactFlash memory card
when this light is on.
Next to the
CF0 slot
Amber
Initialized with error.
Blinking
Green
then
turns off
CompactFlash is ready for removal.
Note
Remove the CompactFlash when the light turns off.
S (Speed)
1 blink +
pause
GE port operating at 10 Mb/s.
Rear panel
2 blink +
pause
GE port operating at 100 Mb/s.
3 blink +
pause
GE port operating at 1000 Mb/s.
L (Link)
Green
GE link is established.
Rear panel
Off
No GE link is established.
Table 1-4
Summary of Cisco 1900 Series LED Indicators (continued)
LED
Color
Description
Location