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Toshiba DOCSIS Cable Modem
Owner’s Manual
PCX1100U
Feb. 2001
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Product and company names listed are trademarks or trade names of their respective companies. Microsoft and Windows are either registered trademarks or trademarks of Microsoft Corporation in the United States and/or other countries. Copyright 2000, 2001, Toshiba Corporation. All rights reserved. This manual may not be reproduced, in part or in whole, without the permission of Toshiba Corporation. The content of this manual is subject to change without notice in
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Table of Contents Congratulations on Your Purchase 2 Contact Information 2 Support Information 2 Sales Information 2 Web Page 2 Important Rules for Safe Operation 3 Installation 3 Use 5 Service 5 Overview 6 How does a cable modem work? 6 How does a cable modem connect to a computer? 6 What is DOCSIS? 7 Getting Started 8 What’s in the box? 8 Front Panel LEDs 8 Connectors 8 Installing USB Drivers 9 Diagnostics
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Congratulations on Your Purchase! Your new Toshiba DOCSIS Cable Modem will provide you with high-speed access to the Internet through your cable TV (CATV) network- accesses at a fraction of the time it takes traditional telephone modems. In addition, your service will be always connected. Those two features give you the information you want, when you want it … and your telephone line is kept free. Contact information Support Information Phone: (949) 583-3223 Fax: (949) 583-3597 e-mai
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Important Rules for Safe Operation In addition to the careful attention devoted to quality standards in the manufacture of your Toshiba DOCSIS Cable Modem, safety is a major factor in the design of every product. However, safety is your responsibility, too. This section lists important information that will help assure your enjoyment and proper use of the Cable Modem and accessory equipment. Please read them carefully before operating and using your modem. Installation Read and
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Check Ventilation - Slots and openings in the enclosure are provided for ventilation to ensure reliable operation of the product and to protect it from overheating. Do not block or cover these openings. Never block these openings by placing the product on a bed, sofa, rug, or other similar surface. Never place this product near or over a radiator or heat register, or any other heat source (including amplifiers). Do not place this product in a built-in installation, such as a bookcase or eq
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Use Unplug Power Before Cleaning - Do not use liquid cleaner or aerosol cleaner. Use a damp cloth for cleaning. Keep Objects Out of Openings - Never push objects of any kind into this product through openings, as they may touch dangerous voltage or "short-out" parts, which could result in a fire or electric shock. Never spill liquid on the product. Protect From Lightning - For added protection for this product during a lightning storm, or when it is left unattended and unused for
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Overview The modem provides you with high-speed data communications over the television cable network by following the widely accepted DOCSIS/MCNS standards being developed by the Multimedia Cable Network System (MCNS) consortium. Those standards offer a combination of high performance and interoperability among many of the cable system operators in North America. How does a cable modem work? As you know, high and low electrical voltage levels represent digital signals. And how fast t
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What is DOCSIS? Data Over Cable Service Interface Specifications. DOCSIS defines interface requirements for cable modems involved in high-speed data distribution over a cable television network. On November 17, 1997, Cable Television Laboratories, Inc. (Cable Labs) and its members established a formal path of certification for cable modem equipment suppliers to obtain an interoperability seal for their products based on the DOCSIS specification. This certification process provides cable m
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Getting Started What’s in the Box? Make sure that you’ve received the following items. If any item is missing or damaged, contact your dealer immediately. ♦ Toshiba DOCSIS Cable Modem ♦ 10BASE-T Cable (6feet) ♦ USB Cable (5feet) ♦ AC Adapter (AD-121AN) ♦ Stand ♦ CD-ROM Front Panel LEDs Connectors Refer to the back cover for cable modem installation instructions. 8
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Installing USB Drivers If use the USB interface, connect the cable modem to the PC via the USB, you must install the "USB Driver" in your PC following the instructions are as follows. These "USB Drivers" support a PC running Microsoft Windows 98SE, 2000, and Me. Preparation (1) Confirm the Cable modem ready to transfer data by Front panel LED. (See "Diagnostics") (2) Plug the Type A end of the USB cable into the USB port located in the back (side) of your PC. Plug the Type B end o
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USB COMPOSITE DRIVER REMOVAL (1)Make sure that the USB cable is plugged in to your PC. (2)Go to the Start button; choose "Settings" and then "Control Panel". (3)From inside the "Control Panel" choose "System". (4)Choose the tab on the top of the screen for "Device Manager". (5)Click the "+" next to "Universal Serial Bus Controllers". (6)Click "USB Composite Device" to select it and choose "Remove". (7)Once the USB Composite Device is removed, restart your PC and follow the instruct
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Diagnostics The Cable Modem has five status LEDs for diagnostics. You can monitor the LEDs during installation and during normal operations. Table 1 shows Cable Modem status LEDs and identifies what each LED light means. This table will help you to diagnose problems. Function Color Definition Power Green - dark for power off - solid for power on Cable Green - dark for no downstream RF carrier present or power off - flashing slowly (*1) for downstream RF carrier present and initial
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Using a Stand Please attach the stand to the bottom of the cable modem 12
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Specifications The Toshiba DOCSIS Cable Modem is DOCSIS/MCNS compliant. Receiver Physical Speed: 30 Mbps (64QAM) / 43 Mbps (256QAM) Symbol rate: 5.056941 Msym/sec (64QAM); 5.360537 Msym/sec (256QAM) Demodulation: 64QAM / 256QAM Bandwidth: 6 MHz Frequency range: 88 MHz to 860 MHz (edge-to-edge) in 62.5 kHz steps Input signal level: -15dBmV to +15dBmV Input impedance: 75 ohms Return loss: > 6 dB from 88 MHz to 860 MHz Transmitter Physical Speed: 320,640,1280,2560,5120Kbps(QPSK) 64
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Q & A Q: How does the cable modem connect to the hub/switch via the 10BASE-T? A: Connect to the uplink port on the 10BASE-T hub/switch, or use cross over Ethernet cable to connect the normal port on the 10BASE-T hub/switch. (See below) PC PC Cross over Cable or connect to uplink port USB Cable 10BASE-T Cable TV Coax Cable Modem HUB/ Switch Q: How does the cable modem connect to the PC via the USB? A: Plug the Type A end of the USB cable into the USB port located
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Q: Where can I download the driver for cable modem? A: When using the 10BASE-T interface, the cable modem is a stand-alone device that has a 10BASE-T Port. All workstations or hub must have a 10BASE-T port or card to connect to the cable modem. In this case, there is no special driver needed on the workstation. If you are using the USB interface, drivers are provided on the enclosed CD-ROM for Microsoft Windows 98SE, 2000, or Me. Driver updates can be found on the Toshiba web site,
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FCC Compliance This Toshiba 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 communicat
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Glossary 10BASE-T Unshielded, twisted pair cable with an RJ-45 connector, used with Ethernet LAN. “10” indicates the speed (10 Mbps), “Base” refers to baseband technology, and “T” means twisted pair cable. Cable TV Coax Cable that allows wide bandwidth transmission over long distances. Coaxial cable (coax) comprises an inner conductor surrounded by insulation. An outer conductor wraps around the insulation, which, in turn, is covered by an outer plastic covering. Ethernet card A plu
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IP Address A unique, 32-bit address assigned to every device in a network. An IP (Internet Protocol) address has two parts: 1) a network address and 2) a host address. Each network is assigned an address by a government agency, and each company administrator assigns an address to each host computer. Modem registration The process the Toshiba Cable Modem uses to make itself known to the headend equipment. Once authorized by the router, the modem is assigned upstream and downstream channel
