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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.
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TC7300
Power
DS
ON
ON
ON
0.25 second
Boot‐up
ON
FLASH FLASH FLASH
Operation
ON
ON
1 second
ON
FLASH
OFF
ON
ON
FLASH
DOCSIS
Start‐up
ON
ON
Operation
ON
ON
ON
FLASH FLASH
FLASH
FLASH FLASH FLASH
Channel
X
X
Bonding
Operation
OFF
X
FLASH
FLASH FLASH FLASH
ON
ON
MTA
ON
ON
initialization
ON
ON
CPE
ON
X
Operation
ON
ON
MTA
Operation
ON
ON
SW Download
ON
FLASH FLASH
Operation
Ethernet
US
Online
1
2
ON
ON
ON
ON
X
X
ON
ON
X
X
OFF
X
X
OFF
X
X
ON
FLASH
X
X
ON
ON
X
X
OFF
X
X
X
X
X
X
OFF
X
X
X
X
X
X
X
ON
ON
X
X
ON
ON
X
X
ON
ON
X
X
OFF
OFF
X
X
ON
ON
FLASH
FLASH
FLASH
<CM Normal Operation>
ON
X
X
Wireless
TEL 1
3
4
ON
ON
X
ON
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
FLASH
X
X
X
OFF
X
X
X
ON
OFF
OFF
OFF
ON
ON
ON
X
FLASH
FLASH
ON
FLASH
ON
FLASH FLASH
X
X
X
X
Table 1-1 LED behavior
TEL 2
Description
ON
Power on 0.25 sec
X
From power ON to system initialization complete
Following system initialization complete to (before)
X
DS scanning
X
During DS scanning and acquiring SYNC
From SYNC completed, receiving UCD to ranging
X
completed
During DHCP, configuration file download,
registration, and Baseline Privacy initialization:
X
DHCP status: 1 second ON and 1 second OFF,
TFTP status: 0.25 second ON and 0.25 second OFF
X
Operational (NACO=ON)
X
Operational (NACO=OFF)
Wait registration with all DS and all US – Lights
X
Flash sequentially from the right to left
duration 3 seconds
From 1 to 4 DS, from 1 to 4 LEDs are ON
From 5 to 8 DS, From 1 to 4 LEDs are flashing
X
Duration 3 seconds
X
From 1 to 4 US, from 1 to 4 LEDs are ON.
Wait registration with all DS and all US – Lights
X
Flash sequentially from the left to right
OFF
MTA DHCP
FLASH
MTA SNMP/TFTP
ON
RSIP for NCS/Register for SIP
No Ethernet / Wireless Link
X
Ethernet / Wireless Link
TX/RX Ethernet / Wireless Traffic
ON
Both Lines On‐Hook
ON
Tel1 Off‐hook, Tel2 On‐hook
FLASH
Tel1 On‐hook, Tel2 Off‐hook
Both Lines Off‐Hook
A software download and while updating the
X
FLASH memory
Minimum
Page 9 / 27
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