The ADTRAN Express 3000 series is a family of ISDN modems that are ideal for remote access and corporate connectivity. The series is capable of transmitting data at speeds up to 230.4 kbps, when using hi/fn compression or up to 512 kbps when using Microsoft compression. They include both ISDN termin... Read more

$50.00 - $63.00

ADTRAN supplies a complete line of ISDN Service Units (ISUs) and NT1s for extending and terminating ISDN Basic Rate service from PBXs and central office switches. The innovative ISU 2x64 has gained widespread acceptance in the industry. ... Read more

$392.00 - $392.00

The ADTRAN Express XRT is ideal for accessing the Internet or your corporate network at speeds up to 230, 400 bps - that's over eight times faster than today's fastest analog modems. The unit includes ISDN terminal adapter and network termination (NT1) functionality, eliminating the need for an exte... Read more

$32.00 - $32.00