Cisco AIR-WLC2106-K9 - Wireless LAN Controller 2106 Quick Start Manual page 5

Figure 2 shows the front panel and describes the LEDs for the 2100 series controller.
Figure 2 Front Panel and LEDs
100 MBPS
0
1
Component/LED
USB port
1
Speed indicators (ports 1–8)
2
Link activity indicators (ports 1–8)
3
Power LED
4
Status LED
5
Alarm LED
6
AP LED
7
LINK/ACT
1 2 3 4 5
2 3
6 7 8
State and Description
Not used, reserved for future use.
Off—Network traffic flowing at 10 Mbps.
Green—Network traffic flowing at 100 Mbps.
Green—Physical link established.
Flashing green—Network activity.
Green—Controller powered on.
Off—Controller is powered off.
Flashing green—Power-up diagnostics/booting.
Green—Controller is operational.
Amber—Problem encountered during boot.
Green—Not used.
Amber—An outstanding alarm exists.
Green—At least one access point has joined.
Off—No access points joined.
Power Status Alarm AP
Cisco 2100
SERIES
Wireless LAN Controller
4 5 6 7
5