How it Works
Ericsson
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HM201c
User Manual
38 pgs705.54 Kb0
Table of contents
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Ericsson HM200c, HM201c User Manual

PipeRider ® Cable Modem

User's Guide

HM200c/HM201c
© Ericsson Inc. 2001 - All rights reserved
Safety Information
Read these safety instructions before attempting to install or operate the PipeRider cable modem. Carefully read the Installation Procedures and Operating Procedures provided in this User's Guide. Be sure to comply with all NOTES, WARNINGS, and CAUTIONS.
CAUTIONS AND WARNINGS
For indoor home and office use only!
There are no serviceable parts inside the unit. DO NOT OPEN!
Do not set liquids on or near the cable modem!
Before cleaning the modem, unplug the power cord! When cleaning the modem, use only a soft cloth dampened with water! DO
NOT spray water, household chemicals, or other liquids directly onto the modem.
Any changes or modifications to this product not expressly approved by the manufacturer could void any assurances of Safety or Performance and could result in violation of Part 15 of the FCC Rules.
When installing the modem, ensure that the vents are not blocked!
Warranty is voided if unit is opened!
PRODUCT CARE AND MAINTENANCE
The PipeRider cable modem is a highly sophisticated electronic device. To prevent damage to the modem, follow the rules below.
Do not expose the modem to liquid or moisture.
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Do not expose the modem to extreme high or low temperatures.● Do not expose the modem to lit candles, cigarettes, open flames, etc.● Do not drop, throw, or bend the modem since rough treatment could damage it.● Do not paint the modem as the paint could prevent normal use.● Do not attempt to disassemble the modem; a broken warranty seal will void the warranty. In the event that
the modem requires service, contact your Service Provider.
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Do not use any accessories other than those approved by Ericsson. Failure to do so may result in loss of performance, damage to the product, fire, electric shock or injury, and will void the warranty.
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Keep the modem in a clean and dust-free environment.● Store the Support CD in a safe place for future reference.●
PLACEMENT
The cable modem should be mounted or placed in a safe location with plenty of ventilation. To prevent the restriction of airflow in and around the cable modem, do not place any object (book, magazine, paper, etc.) on top of the modem.
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If the modem is mounted on the wall, the modem must be securely attached. If the modem is not securely mounted to the wall, the modem may fall and cause injury to someone or damage the product.
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CABLES
The cables connected to the cable modem should be routed in a manner that provides a safe environment and protects the cables. Do not route the cables in a walkway or in a location that will crimp the cables.
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POWER SUPPLY
The PipeRider cable modem should only be used with the AC power supply provided.
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The AC power supply should be plugged into a surge protected power source. In addition, be careful not to overload the wall outlets, extension cords, etc. used to power this unit.
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The AC power supply must not be used outdoors or in damp areas.●
Connect the AC power supply only to designated power sources as marked on the product.● To reduce risk of damage to the electric cord, remove it from the outlet by holding onto the AC adapter
rather than the cord.
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Make sure the cord is positioned so that it will not be stepped on, tripped over, or otherwise subjected to damage or stress.
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To reduce risk of electric shock, unplug the unit from any power source before attempting to clean it.●
CHILDREN
DO NOT ALLOW CHILDREN TO PLAY WITH YOUR PIPERIDER CABLE MODEM SINCE IT CONTAINS SMALL PARTS THAT COULD BECOME DETACHED AND CREATE A CHOKING HAZARD.
●
PipeRider Introduction
The PipeRider® cable modem will open a whole new world of Internet use for you. Once you try it, you’ll wonder how you ever got along without it!
Using your PipeRider cable modem to communicate with the Internet provides you with many features and
benefits that usher you into the 21st century in style … including speed, security, instant access, multimedia
capability, and much more. How can it do all this? In short, the PipeRider cable modem allows you to communicate with the Internet through
a cable network rather than through a telephone wire. It’s fast, it’s secure, and it’s always ready when you are. There are two data interface connections used by the PipeRider cable modem. One connects directly to your
computer, and the other hooks up to the cable that brings cable TV into your home. The cable modem translates radio frequency (RF) signals from your service provider into USB or Ethernet signals that can be understood by your computer. The modem also works in reverse when you upload information from your computer to the Internet.

Features and Benefits

In addition to the benefits provided by cable modem technology itself -- such as speed, instant Internet access, and the support of multiple computers -- the PipeRider cable modem offers even more features to make your life easier.
Installation Ease and Adaptability
You have the option of connecting the PipeRider cable modem to your computer with either a USB connection (if supported by your computer) or an Ethernet connection. The plug & play aspect of USB simplifies installation, requiring only a cable plug-in and the installation of a driver (supplied on this CD). An Ethernet connection, which
requires that a Network Interface Card be installed in your computer, allows you to connect up to 15 computers (Windows only) to a single PipeRider cable modem with the use of an Ethernet hub.
Security
When you are not actively using the Internet, the PipeLock® feature enables you to suspend communication between your computer and the Internet, ensuring total security. When PipeLock is ON, the PipeRider cable
modem remains logged on to the cable network, but direct communication between your computer and the Internet is blocked. This prevents outsiders from gaining access to any information on your computer. With a simple press of the PipeLock button, you can quickly and easily turn PipeLock ON and OFF.With PipeLock, there's no need to turn off your computer or your cable modem, even when you're not there.

Cable Network

The cable that provides service to your PipeRider cable modem is connected to the same cable network system that brings cable TV service to your home. A simplified version of the cable system is depicted below. Click on the diagram for a description of each of the main system components.
Headend
The Headend can be thought of as the control center of the system. The Cable TV (CATV) equipment receives signals from sources such as satellite and broadcast transmissions. These signals are processed --- amplified, converted, combined --- and then transmitted to your home. In addition to receiving TV signals, the Headend equipment includes a computer, known as the Headend Router, that controls operations between the Headend equipment and the Internet.
The Cable Modem Termination System (CMTS) is a major component of the Headend. The CMTS interfaces to the cable network, the backbone data network, and several support systems. It controls the configuration, registration, and media access of all the PipeRider cable modems under its control, and determines who gets to transmit when and for how long. The CMTS can talk to all the cable modems, but the cable modems can only talk to the CMTS. Therefore, if two cable modems need to talk to each other, the CMTS will relay the messages.
Cables Connecting the Headend to Your Home
A main "trunk" cable carries the signals out from the service provider building. The trunk cable then branches into smaller diameter "feeder" cables, which lead out into the different geographic areas serviced by the provider. An even smaller "drop" cable connects the feeder cable to the customer's home, where it is then split into two cables: one that goes to the TV (if the customer subscribes to cable TV), and another that connects directly into the PipeRider cable modem.
Many cable networks are Hybrid Fiber-Coax. This means that signals run in fiber-optical cables from the Headend through the trunk cable, and as the cable branches out, the signal is transferred to coaxial cables. This branching architecture is the most efficient method of transmitting the video and data signals from a Headend to multiple customers.
PipeRider Cable Modem's Role
The PipeRider cable modem performs many functions. It operates as a modem, a duplex tuner, an encryption/decryption device, a server, a bridge, a router, and more.
An important component of the cable modem is the Media Access Control (MAC) mechanism. The MAC runs the protocol and is positioned between the receive and transmit paths. In coordination with the CMTS, the MAC plays a major role in controlling the sharing of media. For example, the MAC controls ranging, assigns frequencies, and allocates time slots.
The PipeRider cable modem tunes to the channel that has been dedicated for data transfer. It receives the data from the service provider in the form of radio frequency (RF) signals, and translates the data to USB or Ethernet signals that can be understood by your computer. The cable modem exchanges data in two slightly different manners, depending upon whether the modem is transmitting or receiving data. One spectrum of signal frequencies is assigned for the signals that move from the Headend towards the user (downstream), and another spectrum of signal frequencies is assigned for the signals that move from the user towards the Headend (upstream). Typically, higher frequencies flow downstream and lower frequencies flow upstream.
When the downstream channel has a higher bandwidth allocation (faster data rate) than the upstream channel, this is known as an asymmetric scheme. This asymmetry is consistent with current Internet applications, which also tend to be asymmetric. For example, browsing the web and downloading videos and sound files require the transfer of significantly more data than the typical upstream activities, such as clicking on links and sending e-mail.
The PipeRider enhanced security cable modem is available in two models, one that is compliant with DOCSIS standards, and another that is compliant with Euro-DOCSIS standards. These standards define the interface requirements for cable modems providing data distribution over a cable television network. DOCSIS cable modems operate with the same connectivity technology used by cable television service providers, and are compatible with other DOCSIS cable modems and associated equipment. Likewise, Euro-DOCSIS cable modems follow similar connectivity standards, and are compatible with other Euro-DOCSIS cable modems and associated equipment.
The Product Specifications table provides detailed information on PipeRider cable modem frequencies, bandwidths, interfaces, and additional technical specification data.
Computer Interface to the PipeRider Cable Modem
There are two data-interface options for connecting the PipeRider cable modem to your computer: the USB connection and the Ethernet connection. For details regarding the installation of either of these connection types, please refer to the Installation section of this CD.
The Universal Serial Bus (USB) connection requires that your computer is equipped with a USB port, and that you are using one of the operating systems listed in the System Requirements list. To link your computer to the
PipeRider cable modem with a USB connection, a specific USB driver (provided on this CD) must first be installed. This driver facilitates communication between the cable modem and the computer. Unlike an Ethernet connection, a USB connection does not allow for more than one computer to be linked to the cable modem.
The Ethernet 10BaseT connection requires that an Ethernet card be installed in your computer, and that the computer be configured for TCP/IP. When this option is used, a 10BaseT cable carries data between the cable modem and your computer. An Ethernet interface also allows you to add a hub, which is needed when more than one computer will be connected to the cable modem (Windows only).

Installation

Installation of the PipeRider cable modem is quick and easy. If you've purchased your cable modem independently (that is, not through your service provider), be sure to review the information on the Contact Your Service
Provider page prior to starting the installation.
For a detailed description of the materials provided with your PipeRider cable modem, as well as additional materials you'll need for installation, please refer to the Materials and System Requirements page. The PipeRider
cable modem is intended to be installed and operated using the cables and power supply provided with the modem. Ericsson does not guarantee performance with any other cables, cable extensions, or power supplies.
Read Safety Information first!
Location and Mounting
The PipeRider cable modem can be mounted on the PipeRider stand, mounted to the wall, or simply placed on a flat surface such as a desk, table, or computer. Click here for accessory stand or wall mounting instructions.
Pick a location for the cable modem that:
Enables you to view the LEDs on the top of the modem.1. Allows you to reach and press the PipeLock button.2. Does not restrict airflow around the modem.3. Allows plenty of room for cables to be routed from the back of the cable modem without crimping the cables.4.
Cable Modem Installation
To view the cable modem installation instructions for your system, select your data interface type and operating system from those listed below.
USB for Windows 98/2000/Me● Ethernet for Windows● Ethernet for Macintosh●
Contact Your Service Provider
Step 1: Verify that your local Service Provider supports two-way cable modem access
To enjoy the speed of the PipeRider cable modem, your local Service Provider must support two-way cable modem access. Two-way access allows data to flow in both the upstream and downstream directions. Since the PipeRider cable modem sends and receives data over the Service Provider's cable line, the PipeRider will not operate in a one-way (downstream only) cable modem configuration.
Downstream: Data travels from Service Provider to your computer Upstream: Data travels from your computer to Service Provider
Step 2: Establish an Internet Access Account with your local Service Provider
When you establish an Internet Access Account, your Service Provider may request some information from the label on the bottom of the PipeRider cable modem. This information may include the Product Number and the
MAC Addresses.
Step 3: Have your Service Provider install a cable modem jack at a location near your computer
Materials and System Requirements
Materials Needed
In addition to the items packaged with your cable modem, you may need some of the materials below to install your modem:
A standard coaxial cable is required to connect the PipeRider cable modem to the cable jack in your house. The length of the cable is determined by the distance between the cable modem and the cable jack.
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If you choose to mount your cable modem on the wall, wall mounting hardware will be required.● In many areas, a surge protector is recommended to help protect the modem from power surges.●
System Requirements
To support operation of the cable modem, your computer configuration, operating system, and data interface port must meet the requirements below.
Computer Requirements
Recommended Minimum Configuration:
133 MHz Processor
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16 Megabytes RAM● CD-ROM Drive● The Operating System requirement is dependent upon your data interface connection -- either USB or
Ethernet.
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USB Ethernet
Windows 98 Windows 95 or higher Windows 98 SE Windows NT 4.0 or higher Windows 2000/Me Macintosh System 7.5 or higher
Data Interface Port
The PipeRider cable modem communicates with your computer through a data interface port. Your computer must be equipped with one of two data interface options, either USB or Ethernet.
Most computers today are shipped with a Universal Serial Bus (USB) port. The plug & play aspect of USB simplifies installation, requiring only a cable plug-in and the installation of a driver (supplied on this CD). This driver, which is installed during cable modem installation, facilitates communication between the cable modem
and the computer. A USB connection allows for only one computer to be connected to the cable modem. An Ethernet connection requires that a Network Interface Card (NIC) be installed in your computer, and that your
computer be configured for TCP/IP. When this option is used, a 10BaseT data interface cable carries data between the cable modem and the computer. An Ethernet interface, used in conjunction with a hub, allows you link up to 15 computers to a single PipeRider cable modem (Windows only).
PipeRider Stand Mounting Procedure
Step 1
Insert a stand post into each of the U-shaped grooves in the stand base. Each post will snap when secured in place.
Step 2
Align and insert latches on each post with slots on bottom of cable modem. Slide modem down to lock in place.
Wall Mounting Procedure
Step 1.
The PipeRider cable modem can be mounted on the wall using two screws and the two mounting slots on the bottom of the unit. When mounted, the orientation of the cable modem will be as shown below.
Step 2.
Use the template below to mark the screw locations.
10 cm
Step 3.
Insert and secure screws to the wall. The screws should not be secured flush to the wall. Leave a gap of approximately 0.6 cm from the wall surface to the bottom of the screw head.
Step 4.
Slip the PipeRider slots over the screw heads and pull down until the unit is seated securely. A slight adjustment to the screws may be necessary to provide a snug fit to the wall.
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