4CHAPTER 1: BEFORE YOU BEGIN

Do not stack anything on top of the cable modem. (See the instructions on page 14 concerning stacking this modem with 3Com OfficeConnect products.)

The temperature in the room where the cable modem will be operating should be between 0 and 40° C (32 and 104° F). Relative humidity should be between 5 and 95%, non-condensing.

Familiarize yourself with all of the materials in this box. Please read these installation instructions thoroughly before installing your cable modem.

CAUTION: Your cable company will provide a cable connection. Do not attempt any rewiring without first contacting your cable company.

You Will Need These Items

Included:

Cable modem

Cable modem power supply

Analog modem, power supply, and DB-25 to DB-9 cable

(TMX Dialup Kit only)

RJ-45 network cable

Rubber feet and stacking clips kit

This Getting Started Guide

Not Included:

A PC running Windows95 operating system (or later) or a Macintoshcomputer running the System 7.5 operating system (or later) with TCP/IP protocol installed (see the following two sections for more information on installing TCP/IP)

An active cable line

An active Ethernet port or network interface card (NIC) installed in your computer

A 7/16 inch (or adjustable) wrench for securing the cable line to the modem

A screwdriver, pushpins, and screws (for optional wall-mounting) The screw heads should be at least 0.2” (5mm) in diameter for them to be properly captured in

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Castelle 10031161 manual You Will Need These Items, TMX Dialup Kit only