
Introduction
Before You Begin  | Installation & Configuration  | Troubleshooting  | FAQ  | Glossary  | License  | 
1
  | 
  | 6  | 
  | 
  | 5  | 
t  | ity  | 4  | 
iv  | 
  | |
Ac  | 
  | 3  | 
Online  | ||
  | 
  | 2  | 
Home | X  | |
Exit  | 
Top and Front Panel, continued
Light Description
5  | Battery: | 
■Off when the AC power is on and the battery is not in use (the Communications Gateway is functioning normally)
■Solid yellow when the battery is in use (there is no AC power)
■Flashes yellow when the battery is low
■Solid red when the battery is missing or the battery terminals are connected backwards
■Flashes red when the battery has failed
To replace the battery, follow the instructions in “Replacing the Battery” on page 45.
6  | Reserved for future use  | 
During normal operation:
■The power and Online lights are on
■The Activity light flashes when the Communications Gateway transfers data
■The battery light is off
4  | Communications Gateway User Guide  |