The BayStack ISDN BRI option provides two 64 kilobit-per-second (Kbps) B channels for data and one 16 Kbps D channel for signaling. This feature is supported on the single Ethernet, single Token Ring, and Ethernet/Token Ring BayStack AN router, and the BayStack ANH router/hub models. If an ISDN BRI ... Read more

$149.00 - $211.00

This Remote Unit HRU-402 functions as the remote ends of repeaterless T1 transmission system. HRU-402 connects to a HiGain Line Unit (HLU) and HiGain Doubler Units (HDUs), creating a HiGain system that provides 1.544Mbps transmission on two unconditioned copper pairs over the full Carrier Service Ar... Read more

$179.00 - $179.00

The Hotwire ReachDSL product family provides solutions that enable service providers to gain a competitive advantage with the ability to connect more customers with consistent delivery of services, no matter what the copper conditions - poor quality loops, long loops, or bad premises wiring. Providi... Read more

$182.00 - $182.00

The 3Com U.S. Robotics ISDN TA puts high-speed productivity on your desktop - more working, less waiting. With ISDN service from your phone company, the ISDN TA gives you 128K digital communication with the Internet, a remote corporate network, or other computers. ... Read more

$125.00 - $140.00

The 3Com U.S. Robotics ISDN Pro terminal adapter is designed for consumers and small offices, is so simple to set up that it comes with a 15 minute installation guarantee and allows ultra-fast access to the Internet. ... Read more

$139.00 - $290.00

The power-packed 3ComImpact IQ modem puts you at the head of the class in digital modem performance and ease of use. Simple to install and connect to an ISDN line, this modem delivers 230 Kbps of throughput, data compression, a SPID (Service Profile Identifier) Wizard for automatic configuration, an... Read more

$65.00 - $182.00

RS-232 is the most common interface in use today. And our short-haul modems have always been customer favorites. After all, they set the standard for extending RS-232 communications easily. You can use them in thousands of different ways: industrial applications, security systems, UNIX®, DEC, HP® ... Read more

$167.00 - $167.00

The MultiModemISDN Basic Rate Interface modem card provides high performance and easy installation for telecommuters and SOHO power users who require high speeds to send or download graphics, large files, video clips, or music files. The MultiModem ISDN is ideal for anyone who wants affordable digit... Read more

$80.00 - $80.00

Remote Access Server Adapters combine IBM technology and leading industry standard modem technology to give you the essential components you need to build open-platform, remote-access concentrators. Remote access applications (modem and ISDN connectivity) can be implemented on Netfinity servers usin... Read more

$71.00 - $71.00

The Courier I-modem ISDN with V.34 is the only product on the market that offers feature-rich universal connectivity. Users simply dial, and the Courier I-modem automatically and intuitively connects to ISDN and analog modems without interruption. The Courier I-modem combines ISDN performance with V... Read more

$90.00 - $90.00

The Courier I-modem ISDN with V.34 is the only product on the market that offers feature-rich universal connectivity. Users simply dial, and the Courier I-modem automatically and intuitively connects to ISDN and analog modems without interruption. The Courier I-modem combines ISDN performance with V... Read more

$88.00 - $88.00

Eicon Technology's DIVA T/A ISDN Modem provides corporate telecommuters and SOHO users with fast and secure access to corporate intranets or the Internet over an ISDN line. Easy to install and configure, the DIVA T/A ISDN Modem provides high-performance throughput of 230.4 kbps, for email, file tran... Read more

$185.00 - $185.00

The 3Com U.S. Robotics ISDN TA puts high-speed productivity on your desktop - more working, less waiting. With ISDN service from your phone company, the ISDN TA gives you 128K digital communication with the Internet, a remote corporate network, or other computers. That's more than double the speed o... Read more

$150.00 - $150.00

The 4-port ISDN BRI network module provide port densities for ISDN BRI connectivity. The integrated NT1 allows consolidated customer premises equipment (CPE) to provide multifunction dial access server, router, and other capabilities within power branch office environments. ... Read more

$85.00 - $85.00

This optional I/O card is the easy way to connect up to two ISDN BRI S/T-interface phone lines. Inserting it in a 3Com SuperStack 3 Remote Access System 1500 base or expansion unit lets you offer your users reliable digital Internet access and/or remote LAN access. The card has two ISDN modems on bo... Read more

$135.00 - $135.00

The ISDN Pro TA Terminal Adapter puts high-speed productivity on your desktop. With ISDN service from your phone company, you'll experience 128K digital communication. That's more than twice the speed of a 56K modem, and four times as fast as 28.8. With compression, speeds of 230.4 Kbps or more are ... Read more

$189.00 - $189.00

To create a WAN, you must buy lines and services from a telecommunications company (Telco). Services include dial-up lines, leased lines, and packet-switched services. Dial-up lines, like ISDN, allow you to dial your destination only when you need to and hang up when your call is complete. A leased ... Read more

$104.00 - $104.00