Us robotics USR3453B User Manual
The U.S. Robotics Courier 56K
Business Modem with V.Everything
and V.Everywhere technology is the
latest in the distinguished Courier line.
Many modems claim reliability, but
few match the real-world performance
of Courier modems.
Even fewer offer the multitude of
advanced business features found on
this modem: global usage, Carrier Loss
Redial, and Dial and Dialback Security.
Remote management capabilities let
you configure, set up, or troubleshoot
your modems from almost anywhere.
When failure is not an option, you
need the world-class capabilities
that only come from the top of the
U.S. Robotics product line.
Model USR3453B
Courier™56K* Business Modem
V.Everything® and V.Everywhere™Technology
Analogue
Global usage means your modem in Bangor, Maine will work just like your modem in Bangkok, Thailand
* Capable of receiving at up to 56 Kbps and sending at up to 48 Kbps (or 31.2 Kbps with V.90 server). Due to FCC regulations on power
output, receiving speeds are limited to 53.3 Kbps. Actual speeds may vary. V.92 and V.90 features require compatible phone service
and support from your Internet Ser vice Provider (ISP). U.S. Robotics modems featuring V.92 enhancements are backward compatible
and will negotiate the highest possible speed when connecting to an ISP.
† Requires Windows operating system.
Copyright© 2003 U.S. Robotics Corporation. All rights reserved. U.S. Robotics, the U.S. Robotics logo, and V.Everything are registered
trademarks of U.S. Robotics Corporation. Courier, V.Everywhere, and Ready. Set. Connect. are trademarks of U.S. Robotics Corporation.
Other product names are for identification purposes only and may be trademarks of their respective companies. Product specifications
subject to change without notice.
Features & Benefits
V.Everything®and V.Everywhere™ Technology –
Supports most communication protocols, operating
systems, and international phone systems for
maximum flexibility.
Global Usage – Get connected from almost
anywhere around the world. The included
universal power adapter automatically handles
global power variations from 100 V to 240 V.
Integrated Multilayered Security – Dial and
Dialback options check incoming calls for
verification and password authorisation –
protects your data and network from hackers.
V.92 Functionality – V.92 offers greater online
flexibility and exciting new features: Modem
on Hold, Quick Connect, and V.PCM Upstream.
Remote Operation – Upgrade your modem’s
firmware through remote Flash and management
features; perform setup and maintenance functions
from another site. Keeps maintenance costs down
and operations current.
Robust Reliability – Business-oriented design,
component selection, extensive testing, and
real-world experience save you time, money,
and trouble.
Carrier Loss Redial – Automatically senses,
redials, and re-establishes dropped remote
connections – creates a virtual leased-line
connection between two modems over regular
dial-up lines.
Trouble-Resistant Design – Works to keep you
connected under adverse line conditions – special
circuitry keeps this modem running when others
would have failed.
Instant Update†– Automatically checks the
U.S. Robotics Web site for code updates when
you’re online and downloads new features
at your convenience. See Minimum System
Requirements for software requirements.
Standards and Protocols Supported
• ITU V.92/V.90 up to 56 Kbps downloads
• Data: V.92, V.90, V.34, V.32bis, V.32, V.22bis,
V.22, V.23, and V.21
• ITU V.34 at 33.6 Kbps or 28.8 Kbps
• V.32 at 19.2 Kbps (21.6 Kbps between
Courier modems with ASL)
• ITU V.32bis at 14.4 Kbps
• HST at 16.8 Kbps
• Compatible with most ITU and Bell standards
down to 300 bps
• Data Error Control; Compression: V.42/V42bis
and MNP2-4/5
• Fax: ITU V.17 at 14.4 Kbps, ITU V.29 at 9600 bps,
ITU V.27ter at 7200 bps, Group III, TIA/EIA 578
Class 1, and TIA/EIA 592 Class 2.0
• Caller ID and distinctive ring (require service
from your local phone company/Caller ID may
not be supported in some countries)
Minimum System Requirements
• Supports all major operating systems: DOS,
Windows 3.1/95/98/Me/NT 4.0/2000/XP, UNIX,
Linux, and any operating system that supports an
RS-232 serial port
• IBM compatible PC with 486DX or Pentium
processor or equivalent
• Available RS-232 serial port
• 56K compatible local analogue phone line
• V.90 requires a V.90 56K ITU standard capable
service provider
• V.92 requires a V.92 56K ITU standard capable
service provider
• V.92 Call Notification feature requires Call Waiting
service from your local phone company
• V.92 Call Identification feature requires Call
Waiting/Caller ID services from your local
phone company
• Internet Call Notification (ICN) supports
Windows 95/98/Me/2000/XP
V.92 Requirements for this Modem
• V.92 features require V.92 56K ITU standard
capable service provider
• V.92 modem on hold feature requires Call
Waiting service from your local phone company
• V.92 Call Identification feature requires Call
Waiting/Caller ID services from your local
phone company
Regulatory/Agency Approvals
• FCC approved (Part 15/Part 68)
• IC approved (ICES-003/CS-03)
• UL/CUL listed
•CE
Package Contents
• U.S. Robotics Courier 56K Business Modem
• RJ-11 phone cord (6 ft/2.13 m)
• Universal power adapter (100 V – 240 V)
• RS-232 serial cable (3 ft/0.91 m)
• Quick Installation Guide
• Quick Reference Card
• Installation CD-ROM
Warranty
• Limited lifetime manufacturer warranty from
date of purchase
Model Number
• USR3453B
Courier™56K*
Business Modem
MODEL USR3453B
Secure Internet and printer
Global platform for
worldwide compatibility
Integrated multilayered
security features
Remote management
Carrier Loss Redial for
connection stability
Synch/asynch and
leased-line support
Analogue
www.usr.com
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