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The lights on the front panel LEDs are described in the table below (from left to right):
ON = the LED is light, OFF = the LED is gray, FLASH = the LED is blinking.
TC7210
Power
Internet
Ethernet
USB
Wireless
TEL 1
TEL 2
Description
DS
US
Online
1
2
3
4
Boot-up
Operation
ON
ON
ON
ON
ON
ON
ON
ON
ON
X
ON
ON
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) DS scanning
1 second
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:
DHCP status: 1 second ON and 1 second OFF,
TFTP status: 0.25 second ON and 0.25 second OFF
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)
Channel
Bonding
Operation
FLASH FLASH FLASH FLASH
X
X
X
X
X
X
X
X
Wait registration with all DS and all US
–
Lights Flash
sequentially from the right to left
Minimum duration 3 seconds
X
X
X
X
OFF
X
X
X
X
X
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
X
X
X
X
X
X
X
X
X
From 1 to 4 US, from 1 to 4 LEDs are ON.
FLASH FLASH FLASH FLASH
X
X
X
X
X
X
X
X
Wait registration with all DS and all US
–
Lights Flash
sequentially from the left to right
MTA
initialization
ON
ON
ON
ON
X
X
X
X
X
X
FLASH
OFF
MTA DHCP
ON
ON
ON
ON
X
X
X
X
X
X
OFF
FLASH
MTA SNMP/TFTP
ON
ON
ON
ON
X
X
X
X
X
X
ON
ON
RSIP for NCS/Register for SIP
CPE
Operation
ON
X
X
X
OFF
ON
FLASH
OFF
ON
FLASH
OFF
ON
FLASH
OFF
ON
FLASH
OFF
ON
FLASH
OFF
ON
FLASH
X
X
No Ethernet / Wireless Link
Ethernet / Wireless Link
TX/RX Ethernet / Wireless Traffic
MTA
Operation
ON
<CM Normal Operation>
ON
ON
Both Lines On-Hook
ON
FLASH
ON
Tel1 Off-hook, Tel2 On-hook
ON
ON
FLASH
Tel1 On-hook, Tel2 Off-hook
ON
FLASH FLASH
Both Lines Off-Hook
SW
Download
Operation
ON
FLASH FLASH
ON
X
X
X
X
X
X
X
X
A software download and while updating the FLASH memory
LED Status when WPS State is
In-Progress
Green LED will blink with 2 sec On -1 sec OFF cycle
Success
Green LED will remain ON for 300 secs before turning OFF
Error"/"Timeout
Red LED will blink with 250 msec ON- 250 msec OFF cycle indefinitely
Session Overlap
Red LED will turn ON-OFF with 250 msec duration for 2 seconds followed by turning OFF
for 500 msec.
This cycle will repeat for a total duration of 120 seconds.
Table 1-1 LED behavior