background image

Model 3453C

courier

tm

 56k

*

 business modem

Target Country/Region

USR SKU

United Kingdom

USR013453A-ACC

Australia/ New Zealand

USR043453A-ACC

Japan/ Korea

USR053453A-ACC

South Africa

USR093453A-ACC

TBR-21 W. Europe

USR243453A-ACC

E. Europe/ Middle East

USR563453A-ACC

India

USR723453A-ACC

Courier Accessory Kits

(Include components required to use Couriers in 

various countries - cords, jack adapters, etc.)

User

 

or

 

application

 

dials

 

up

 

Courier

Courier

 

dials

 

back

 

pre-programmed

 

numbe

r

Dial and Dialback Security

Password is entered and 

call is disconnected

Minimum System Requirements

Hardware

• Supports all major operating systems: DOS, Windows 

3.1/95/98/Me/NT 4.0/2000/2003/XP/Vista/Win 7, 

UNIX, Linux, and any operating system that supports an 

RS-232 serial port**

• Available RS-232 serial port

• 56K compatible local analog phone line

Software (ICN/Instant Update)

• IBM compatible PC with 486DX or Pentium processor or 

equivalent

• Internet Call Notification (ICN) supports Windows 95/98/

Me/2000/XP

Telco/PTT

• 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

Package Contents

• USRobotics 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

• Lifetime limited manufacturer warranty

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 Service 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.

** 

Support for 64 bit operating systems requires a driver update (available in the support section of  www.usr.com).

 Requires Windows operating system.

• 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/V.42bis 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)

Environmental

• 

Temperature:

 Operating Temperature conditions: 0 to 50 

degrees C, Non-Operating Temperature conditions: -20 to 70 

degrees C

• 

Humidity: 

Operating Humidity conditions: 20% to 80% non-

condensing, Non-Operating Humidity conditions: 5% to 95% 

non-condensing

Regulatory

• FCC approved (Part 15/Part 68)

• IC approved (ICES-003/CS-03)

• UL/CUL listed

• CE approved (Class B)

Package Dimensions/Weight

• 11.25 x 4.5 x 7.0 in. (28.58 x 11.43 x 17.78 cm)

• 3.4 lb (1.54 kg)

Product Dimensions/Weight

• 5.1 x 10.2 x 1.2 in. (13 x 26 x 3 cm)

• 1.1 lb (0.5 kg)

For connection to the Public Switched Telephone Network (PSTN)

Specifications & Standards

IC Approved

Apprové

 

par IC

RoHS

2002/95/EC

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