User's Manual

Chapter 2: Overview
4
Illustrations contained in this document are for representation only.
LED Behavior
There will be 12 LEDs on TCG220. Looking at LED from TOP to Bottom: Power, DS, US, Online, LAN1,
LAN2, LAN3, LAN4, WiFi, PHONE1, PHONE2, WPS. "ON" = the LED is light, "OFF" = the LED is gray,
"FLASH" = the LED is blinking.
BCM93383WVG Power
Internet LAN
Wi-Fi Phone1 Phone2 WPS Description
DS US Online 1 2 3
4
Boot-up Operation
ON ON ON ON
ON ON ON ON X ON ON X
Power on 0.25 sec
On 0.25 second
ON FLASH FLASH FLASH X X X
X
X X X X
From power ON to system
initialization complete
ON
ON ON ON
X X X X X X X X
Following system initialization
complete to (before)
1 second DS scanning
DOCSIS Start-up
Operation
ON FLASH OFF OFF X X X
X
X X X X
During DS scanning and acquiring
SYNC
ON ON FLASH OFF X X X
X
X X X X
From SYNC completed, receiving
UCD to ranging completed
ON ON ON FLASH X X X
X
X X X X
During DHCP, configuration file
download, registration, and
Baseline Privacy initialization
ON ON ON ON X X X
X
X X X X Operational (NACO=ON)
ON FLASH FLASH OFF X X X
X
X X X X Operational (NACO=OFF)
MTA initialization
ON ON ON ON X X X
X
X FLASH OFF X MTA DHCP
ON ON ON ON X X X
X
X OFF FLASH X MTA SNMP/TFTP
ON ON ON ON X X X
X
X FLASH FLASH X RSIP for NCS/Register for SIP
CPE Operation
ON X X X
OFF OFF OFF
OFF
X X X X
No Ethernet Link
ON ON ON
ON
Ethernet Link
FLASH FLASH FLASH
FLASH
TX/RX Ethernet Traffic
ON X X X X X X X
OFF
X X X
Wireless is disable
ON Wireless initiate success or enable
FLASH TX/RX Wireless Traffic
SW Download
Operation
ON FLASH FLASH ON X X X
X
X X X X
A software download and while
updating the FLASH memory
WPS Operation ON <CM Normal Operation> X X
(long press, > 5 seconds)
Flash
WPS WiFi association during client
and AP linking process, WPS LED
Green color light Blinking.
ON
After link established WPS LED
Green color light ON
Flash Timeout to link.