Courier® 56K* V.92 Dial-up External Business Modem - Refurbished - USR3453C-REF
Mission critical dial-up connectivity for business.
Contact usRecommended replacement for all discontinued Courier modems. The USR® refurbished Courier® 56K business modem offers the perfect solution for both out of band management of networks or point of sale applications.
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: robust reliability, 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 business-class capabilities that only come from the top of the USR product line.
USR3453C-REF features
Incredible compatibility and flexibility
- V.Everything® Technology provides support for all key communications protocols
- Synchronous/Asynchronous, and leased-line support
- Supports all major operating systems: DOS, Windows including Server and 64 bit, UNIX, Linux — any operating system that supports an RS-232 serial port
- US power supply automatically handles variations from 100V to 240V
Integrated multilayered security
Dial security:
- Autopass works with up to 79 users, and automates logging in between two Couriers by including the password in the V.42 error-control request
- Password Prompting, works with any type of modem, where the host Courier requests a password from those dialing in
- Dialback security checks incoming calls for password authorization and then dials back predefined numbers to assure only appropriate users establish connections
Rock-solid reliability
- 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
- Advanced Line Probing technology finds the fastest connection and maintains connections under poor line conditions
- Brown-out Protection assures you stay connected even in areas with poor power facilities
- Robust, business-oriented design, component selection, testing, and experience to support non-stop operation
Powerful management tools
- Remote Management lets you configure or troubleshoot from almost anywhere
Footnotes
* 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). USRobotics modems featuring V.92 enhancements are backward compatible and will negotiate the highest possible speed when connecting to an ISP.
† Package dimensions and weight may vary based on volume ordered. Items may be shipped separately.
