TP-Link TC-7610 User Manual page 9

LEDs Explanation:
Name
(Power)
(Downstream)
(Upstream)
(Internet)
(LAN)
TC-7610
Status
Off The modem is powered off.
On The modem is powered on.
Off The initialization is not started, or has failed.
White The modem is synchronized with one channel.
Green The modem is synchronized with more than one channel.
Flashing The modem is scanning for a downstream channel.
Off The initialization is not started, or has failed.
White The modem is synchronized with one channel.
Green The modem is synchronized with more than one channel.
Flashing The modem is scanning for an upstream channel.
Off Internet service is not available.
On Internet service is available.
Flashing The modem is initializing.
On The LAN port is connected.
Off The LAN port is not connected.
Flashing The LAN port is sending or receiving data.
DOCSIS 3.0 Cable Modem User Guide
Indication
5