Getting to Know the Cable Modem
16
D3CM1604 DOCSIS 3.0 Cable Modem Administrator Manual
Table 1-2. D3CM1604 Cable Modem Rear Panel Components
One 10/100/1000 auto-sensing RJ-45 switch port. Connect a device on your LAN such as a
computer, hub, or switch to these ports.
Use this button to reset the power or restore the default factory settings (see “Using the Reset
Button” on page 16).
Connect your coaxial cable line to this port.
Connect the supplied power cord to this port.
Using the Reset Button
Using the reset button on the rear panel (see Figure 1-3 on page 15), you can perform two
types of reset operations with the cable modem:
Software reset – power-cycles the cable modem and retains its current configuration
settings.
Factory default reset – removes all overrides made to the cable modem’s factory default
configuration and returns the cable modem to its original factory default settings.
The number of seconds you press the reset button determines which reset operation is
performed. To protect against accidental resets, the reset button is recessed on the cable
modem rear panel.
Note: You can also reset the cable modem and retain its current configuration settings using
the RESET method described under “Configuring Security Settings” on page 41.
To use the reset button to perform a software or factory default reset:
1. Leave power plugged into the cable modem.
2. Find the reset button at the top of the back panel, then use a thin object to press and hold
the reset button as follows:
– To perform a software reset, press the reset button for at least 10 seconds.
– To perform a factory default reset, press the reset button for at least 15 seconds.
3. Release the reset button.
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