THOMSON THG571 - Cable Modem Overview; Front Panel

Chapter 1: Connections and Setup
3
Cable Modem Overview
Front Panel
The following illustration shows the front panel of the model:
The LEDs on the front panel are described in the table below (from left to right):
THG57
THG57THG57
THG571
11
1 Power DS US ONLINE LINK TEL1 TEL2 Description
Boot-up
Operation
ON ON ON ON ON ON ON Power on 0.25 sec
ON FLASH FLASH FLASH X X X
Following system initialization
complete to (before) DS scanning
DOCSIS
Start-up
Operation
ON FLASH X X X X X During DS scanning and acquiring SYNC
ON ON FLASH X X X X
From SYNC compl
eted, receiving UCD to
ranging completed
ON ON ON FLASH X X X
During DHCP, configuration file
download, registration, and Baseline
Privacy initialization
DHCP status, LED SHOULD be ON 1 sec,
and OFF 1 sec
TFTP status, LED SHOULD be ON 0.25
sec, and OFF 0.25 sec
ON ON ON ON X X X Operational (NACO=ON)
ON FLASH FLASH OFF X X X
Operational (NACO=OFF)
Channel
Bonding
Operation
FLASH FLASH FLASH FLASH FLASH X X
Wait registration with all DS and all
US – Lights Flash sequentially from the
right to left
right to leftright to left
right to left
Minimum duration 3 seconds
X X X X OFF X X
From 1 to 4 DS, from 1 to 4 LEDs are
ON.
From 5 to 8 DS, From 1 to 4 LEDs are
flashing
Duration 3 seconds
OFF X X OFF OFF X X
From 1 to 2 US, from 2 to 3 LEDS are
ON.
From 3 to 4 US, from 2 to 3 LEDS are
flashing.
Duration 3 seconds
FLASH FLASH FLASH FLASH FLASH X X
Wait registration with all DS and all
US – Lights Flash sequentially from the
left to right
left to rightleft to right
left to right
Minimum duration 3 seconds
CM
Registration
ON ON ON ON X X X
No US/DS Channel Bonding and
Registered with Pre-D30 CMTS (Green
LEDs)