1-11
Cisco 1900 Series Hardware Installation
OL-19084-02
Chapter 1 Overview of the Router
Hardware Features
WLAN
2.4GHz
(Wireless
Models)
Green
On—Radio is connected, SSID
1
is configured, signal is
being transmitted, and client is associated, but no data is
being received or being transmitted.
Slow blinking—Radio is connected, SSID is configured, and
beacons are being transmitted.
Fast blinking—Data is either being received or being
transmitted.
Off—Radio is shut down, and no SSID is configured.
Front panel
WLAN 5GHz
(Wireless
Models)
Green
On—Radio is connected, SSID is configured, signal is being
transmitted, and client is associated, but no data is being
received or being transmitted.
Slow blinking—Radio is connected, SSID is configured, and
beacons are being transmitted.
Fast blinking—Data is either being received or being
transmitted.
Off—Radio is shut down, and no SSID is configured.
Front panel
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.
Table 1-4
Summary of Cisco 1900 Series LED Indicators (continued)
LED
Color
Description
Location