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

$105.00 - $179.00

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

Improve and lower the costs of Internet communications for both enterprise businesses and network service providers by attaching this 4-port ISDN module to your Atlas 550 Enterprise Integrated Access Device. ... Read more

$63.00 - $1115.00

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 NetVanta ISDN BRI DIM provides dial backup access to the public switched telephone network (PSTN) via Basic Rate ISDN for the NetVanta. This DIM is a plug-on module that connects to the NIM. ... Read more

$187.00 - $294.00

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

The Quad BRI Module can emulate the ISDN network to other ISDN access devices (NT mode) that support the S/T-interface, such as routers, video codecs, terminal adapters, and network termination units. Provides up to 4W PS1 line power (1W/port) to devices such as ISDN phones. ... Read more

$795.00 - $795.00

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$1236.00 - $1236.00