 | Bus Type | | Serial |
 | 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 |
 | Modem Speed | | 56Kbps |
 | Standard Warranty | | Lifetime Limited |
 | Input Voltage | | 100 V AC to 240 V AC |
 | Manufacturer | | U.S. Robotics. |
 | Additional Information | | 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.
*Requires Windows operating system. |
 | Form Factor | | External |
 | Host Interface | | Serial |
 | Fax Technology | | ITU V.17 ITU-T V.29 ITU-T V.27ter Group 3 Class 1 Class 2 |
 | Modem/Fax Data Rate | | 56Kbps Data Receive V.92 48Kbps Data Send V.92 14.4Kbps Fax V.92 |
 | Manufacturer Part Number | | USR3453B |
 | Interfaces/Ports | | RJ-11 |
 | 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 equivalentAvailable 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 |
 | Additional Warranty Information | | Limited lifetime manufacturer warranty from date of purchase. |
 | Manufacturer Website Address | | www.usr.com |
 | Product Line | | Courier |
 | Compatibility | | PC |
 | Shipping Dimensions | | 7" Height x 4.5" Width x 11.25" Depth |
 | Certifications & Standards | | FCC approved (Part 15/Part 68)IC approved (ICES-003/CS-03)UL/CUL listedCE |
 | Modulation | | ITU-T V.92 ITU-T V.90 ITU-T V.34 ITU-T V.32bis ITU-T V.32 ITU-T V.22bis ITU-T V.22 ITU-T V.23 ITU-T V.21 |
 | Shipping Weight | | 3.40 lb |
 | Product Name | | Courier USR3453B Data/Fax Modem |
 | Data Compression | | MNP-5 |
 | Error Correction | | MNP-2 MNP-3 MNP-4 ITU-T V.42 |
 | Packaged Quantity | | 1 |
 | Product Type | | Data/Fax Modem |