User`s guide

Chapter 1: Connections and Setup
6
Internet
DHG535 Power
DS US Online
Link Tel 1 Tel 2 Battery Description
ON Both Lines On-Hook
FLASH Tel1 Off-hook, Tel2 On-hook
ON Tel1 On-hook, Tel2 Off-hook
AC Fail
Battery Good
FLASH
OFF
Both Lines Off-Hook
ON Both Lines On-Hook
FLASH Tel1 Off-hook, Tel2 On-hook
ON Tel1 On-hook, Tel2 Off-hook
AC Fail
Battery Low
FLASH OFF
FLASH
FLASH
Both Lines Off-Hook
Both Lines On-Hook
Tel1 Off-hook, Tel2 On-hook
Tel1 On-hook, Tel2 Off-hook
AC Fail
Battery Bad
< All LEDs may be unlit due to lack of battery
power>
OFF
OFF
Both Lines Off-Hook
SW Download
Operation
ON FLASH FLASH ON X X X X
A software download and while updating the
FLASH memory