RCA THG540 - Manual (Page 9)

Chapter 1: Connections and Setup
4
THG540 Tel 2 Tel 1 Message
Cable
Activity
Cable
Link
PC
Link
Internet Description
OFF FLASH MTA DHCP
FLASH OFF MTA SNMP/TFTP
MTA
initialization
FLASH FLASH RSIP
ON ON Both Lines On-Hook
ON FLASH Tel1 Off-hook, Tel2 On-hook
FLASH ON Tel1 On-hook, Tel2 Off-hook
MTA
Operation
FLASH FLASH Both Lines Off-Hook
ON FLASH FLASH FLASH FLASH FLASH FLASH
SW
Download
Operation
FLASH ON From Right to Left
A software download and while updating the
FLASH memory