Bay Netw orks is a registered trademark of Bay Networ ks, Inc.
NETGEAR and FirstGear are tradem arks of Bay Networks, Inc.
Microsoft, W indows , and Windows NT ar e registered tradem arks of Mic rosoft Corporation.
Other brand and product names are trademarks of their respective holders.
Statement of Conditions
In the interes t of improving internal design, operational function, and/or reliability, NETGEAR reserves the right to
make changes to the products described in this document without notice.
NETGEAR does not assume any liability that may occur due to th e use or application of the product(s) or circuit
layout(s) described herein.
Customer Support
For assistance with install ing and configuring your NETGEAR system or with post-installation questions or prob lems,
contact your point-of-sal e representative.
To contact custo m er support or to purchase additional copies of this document and publicati o ns for other NETGEAR
product s, you can contact NETGEAR at the follo w ing numbers:
•Phone:
U.S./Canada:1-800 -211-2069
United Kingdom: (44) 171-571-5120
France: 0800-90-2078
Germany: 0130-817305
Australia: 800-14-20-46
New Zealand: 800-444-626
Korea: 00308-11-0319
•Fax:
U.S./Canada: 510-498-2609
World Wide Web
NETGEAR maintains a World Wide Web Home Page that you can access at the universal resource locator (URL)
http://NETGEAR.baynetworks.com. A direct connection to the Internet and a Web browser such as Internet Explorer
or Netscape are required.
Bulletin Board Servic e
NETG EAR mainta in s a bu lletin board th at you can acc es s to ob tain the latest version of th e software. In th e U nited
States , telephone 407-531-4574.
Defective or damaged merchandise can be returned to your point-of-sale representati ve.
ii
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Xm128u_bk.fm Page vii Wednesday, February 4, 1998 4:32 PM
Congratulations on your purchase of the NETGEAR™ Model XM128U ISDN Digital Modem.
The Model XM128U modem sets a new price and per formance standard for rapidly growing
Internet and telecommuting applications.
The NETGEAR Model XM128U modem pro vide s connection for one or more PCs to the Internet
or to the office over ISDN (Integrated Services Digital Network) lines. The modem operate s at a
speed of up to 460 kilobits per second (Kbps) data rate, or 128 Kbps data rate without
compression, and can download video clips, music, or high-resolution color graphics from the
World Wide Web or other online services many times fas te r than an analog modem. The Model
XM128U modem supports concurrent data and voice communications, reducing cost and
administration of multiple phone line s.
Preface
Purpose
This guide provides instructions for the installation and use of the Model XM128U modem.
This guide also provides instructions for the installation and use of the FirstGear™ configuration
software application for installing, configuring, and monitoring the Model XM128U modem.
Conven tions
This section describes the conventions used in this guide.
Prefacevii
Xm128u_bk.fm Page viii Wednesday, February 4, 1998 4:32 PM
Getting Started Using FirstGear for the Model XM128U ISDN Digital Modem
Special Message Formats
This guide uses the following formats to highlight special messa ges .
Note:
Caution:
equipment failure or loss of data.
Warning:
or equipment damage.
This format is used to highlight information of importance or special interest.
This format is used to highlight inform ation that will help you prevent
This format is used to highlight information about the possibility of injury
Use of Enter, Type, and Press
This guide uses “enter,” “type,” and “press” to describe the following actions:
•When you read “enter,” type the text and press the Enter key.
•When you read “type,” type the text, but do not press the Enter key.
•When you read “press,” press only the alphanumeric or named key.
•When you read “click,” click the left mouse button.
Other Conventions
This guide uses the following additional conventions:
italics
Initial CapsMenu titles and window and button names.
Book titles, command, and directory names.
Related Publication
For more information about the Model XM128U modem, refer to the
Model XM128 ISDN Digital Modem
version).
viiiPreface
Reference Guide for the
(Bay Networks part number M-XM128NA-1 or a later
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Xm128 u_bk.fm Page x Wedne sday, February 4, 1998 4:32 PM
This guide describes how to install and use the Model XM128U ISDN Digital Modem. It inc ludes
a physical description a nd installation instructions for the hardware, as we ll as instructions for
installing and using FirstGear
getting star ted. For more deta iled inf ormation about insta lling your Model XM128U modem, refer
Refere nce Guide for the Model XM128 ISDN Digital Modem.
to
™
for configuring the modem. Use this guide as a refer ence for
Chapter 1
Introduction
When use d with o ff-the-s hel f In tern et o r remo te access client software, the Mo d e l XM128U
modem enables mobile or home use rs to co nnect ov er Integrated Services Digital Networ k (ISDN)
lines to t he Interne t or t o bra nch of fi ces. The Model XM 128U modem also a ll ows a user to connec t
to the analog world through an anal og modem, a fax machine, or a telephone.
To take advantage of constant new developments while sustaining your hardware investment, the
Model XM128U modem uses flash EPROMs that enable convenient uploading of newly available
firmware.
Features
The Model XM128U modem supports a variety of compression schemes including V.42bis and
Hi/fn LZS Compression (Stac). The Model XM128U modem can effectively communicate at
speeds up to 460 kilobits per second (Kbps) over ISDN lines.
The Model XM128U modem has two analog ports to connect analog devices such as fax
machines, modems, and telephones. The Model XM128U modem can communicate o ver the two
B channels to different loc at ions simultaneously , en abl ing you to send a fax and “surf” the web at
the same time. The analog ports recognize standa rd dual-tone multifrequency (DTMF) tones as
well as pulse dialing.
This chapter provides information about the ha rdware features of the Model XM128U ISDN
Digital Modem. Use the key a t the bottom of each illustration to identify the panel component s.
Chapter 2
Physi cal De scrip tion
Front Panel
For easier management and control of the Model XM128U modem, familiarize yours elf with the
components on the front panel, as ill ustrated in Figure 2-1.
1
INTERFACE
U
128Kpbs
ISDN Digital Modem
Key:
1 = PWR (power) LED
2 = ISDN LEDs
3 = RS-232 COM LEDs
4 = PHONE 1 and PHONE 2 LEDs
Figure 2-1.Front panel of the Model XM128U modem (with S/T interface)
234
ISDN
DTR DSR RTS CTS TDDPWRB1 B2 AA CP
COM
RD
12
MODEL
XM128
8262EA
Physical D escription2-1
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