Specifications

Diagnostics
Summit WM20 Technical Reference Guide, Software Version 4.260
Figure 7: Summit WM20 Controller LED lights
The description of the LED states is provided below:
● ACTIVITY LED – Indicates the CPU activity, including the amount of traffic carried to and from the
Wireless APs.
● STATUS LED – Indicates the normal state of the Summit WM Controller as seen by the system’s
software. This LED covers all stages of the Summit WM Controller, ranging from restarting, to
shutting-down. As long as the Summit WM Controller is running normally, this LED will remain lit.
● HDD Activity LED – Is hardware controlled to report Hard Drive Device (HDD) activity. This LED
blinks when HDD is in use (read/write operation).
Activity LED
Status LED
HDD Activity
LED
Not used in
current release