TP-LINK TC-7620 High-Speed Cable Modem

Modem Information

DOCSIS 3.0 Cable Modem

16×4 channel bonding

To achieve Gigablast or Ultimate Classic speeds, a DOCSIS 3.1 modem is required

Highest Service Level

Preferred 150

Front View

image of Front View

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After the cable modem is successfully registered on the network, the Power, Downstream, Upstream, and Internet indicators illuminate continuously to indicate that the cable modem is online and fully operational.

Back View

image of Back View

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The TP-LINK TC-7620 has the following ports or buttons available on the back of the modem.
  • RESET – Use a pin to press and hold for at least 8-10 seconds to restore factory settings
    (login/Reset instructions)
  • LAN – Connects devices to the 10/100/1000 RJ45 Ethernet port
  • CABLE – Connects to coaxial cable
  • POWER – Connects to the power adapter

MAC Address

image of MAC label

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MAC addresses are written as 12 digits containing both letters and numbers (0-9, A-F).A MAC address is unique. The first six characters of the MAC address are unique to the manufacturer of the device.

Troubleshooting

The modem lights indicate the current status of your modem. To troubleshoot any connection problems, use the table below.

Modem Light Status Problem
Power

image of Power light

On None. The modem is powered on.
Off No power. Verify power supply connections and electrical outlet. Ensure the outlet is not connected to a switch.
Downstream

image of Internet light

Green None. Multiple downstream channels are in use.
White None. One downstream channel is in use.
Flashing None. Scanning for downstream channels. Verify all cable connections and try resetting the modem.
Off Cable modem offline. Verify all cable connections and try resetting the modem.
Upstream

image of Upstream light

Green None. Multiple upstream channels are in use.
White None. One downstream channel is in use.
Flashing None. Scanning for an upstream channel. Verify all cable connections and try resetting the modem.
Off No upstream channel are in use. Verify all cable connections and try resetting the modem.
Internet

image of Internet light

On None. The modem is online.
Flashing None. Scanning for configuration parameters.
Off The modem is offline. Verify all cable connections and try resetting the modem.
LAN

image of LAN light

On None. A device is connected to the LAN port.
Flashing None. A device is connected and the port is sending or receiving data.
Off No devices are detected on the LAN port. Verify all cable connections and try resetting the modem.

 

Manufacturer Resources

For more detailed technical information on the TC-7620, use the resources below from TP-LINK.

References

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