User`s guide

iii
Contact Information
If you need help installing your modem, you can contact Com21 by telephone or Internet:
Phone: [phone]
Website: www.com21.com
Important Rules for Safe Operation
Please read and follow the instructions in this manual. Use the AC adapter that is provided
with the modem.
FCC Compliance
This DOCSIS cable modem has been tested and found to comply with the limits for a Class B
personal computer and peripherals, pursuant to Part 15 of the FCC Rules. These limits are
designed to provide reasonable protection against harmful interference in a residential
installation. This equipment generates, uses, and can radiate radio frequency energy and, if not
installed and used in accordance with the instructions, may cause harmful interference to radio
communications. There is no guarantee that interference will not occur in a particular
installation. If this unit does cause harmful interference to radio or television reception, which
can be determined by turning the unit off and on, the user is encouraged to try to correct the
interference by taking one or more of the following measures:
• Increase the distance between this unit and receiver.
• Connect this unit to a circuit that is isolated from the receiver circuit.