6
MultiModemISDN User Guide
MTA128ST-USB
Introduction
Welcome to the world of data communications. You have acquired one of the finest ISDN
terminal adapters (TA) available today from one of America’s oldest and most respected
modem manufacturers: Multi-Tech Systems, Inc. This user guide will help you install,
configure, test and use your terminal adapter.
Product Description
The MTA128ST-USB is a desktop terminal adapter with an ST port used for connection
to the ISDN network, a USB port for connection to a PC or laptop, and an analog port to
connect to a telephone, modem, or fax machine. It ships with a software configuration
utility for Windows® 98 and Windows 95. In addition, the MTA128ST-USB accepts AT
commands that enable it to use the same communications software as an analog
modem.
TD R
D L
S B
1 B
2 T
R O
H 12
8 P
1 P
2
USB IS
DN Mo
dem w
ith Ana
log Po
rt
Figure 1-1: MTA128ST-USB (Front View)
The MTA128ST-USB is compatible with the popular EuroISDN switch protocol, it
communicates using ISDN BRI (2B+D) service, which provides up to 128 Kbps data and
voice communications, and it automatically detects whether an incoming call is voice or
data and handles it appropriately.
Universal Serial Bus (USB)
Universal Serial Bus (USB), defined by a consortium of industry leaders, permits
connection of multiple low-speed and medium speed computer peripheral devices such
as telephones, modems, printers, keyboards, mice, and scanners; all from a single
personal computer port. The specification, based on open architecture has become a
standard feature in new desktop and notebook computers.
For more details, refer to the USB Public Web Board on the World Wide Web at:
http://www.usb.org/
Summary of Contents for MultiModemISDN MTA128ST-USB
Page 1: ...Model MTA128ST USB External ISDN Terminal Adapter User Guide...
Page 5: ...Chapter 1 Introduction and Description...
Page 10: ...10 MultiModemISDN User Guide MTA128ST USB...
Page 11: ...Chapter 2 Hardware Installation...
Page 17: ...Chapter 3 Software Installation and Configuration...
Page 26: ...26 MultiModemISDN User Guide MTA128ST USB...
Page 27: ...Chapter 4 AT Commands S Registers and Result Codes...
Page 61: ...Chapter 5 Troubleshooting...
Page 68: ...68 MultiModemISDN User Guide MTA128ST USB...
Page 69: ...Chapter 6 Warranty Service and Technical Support...
Page 75: ...Appendixes...
Page 84: ...84 MTA128ST USB User Guide MTA128ST USB...
Page 85: ...Glossary...