Telebit T3SA T3000 Modem 14.4 Kbps Data Fax Voice 56K Hayes Compatible

Telebit T3SA T3000 Modem 14.4 Kbps Data Fax Voice 56K Hayes Compatible

The Telebit T3SA is a classic dial-up modem from the golden era of personal computing, designed for reliable data, fax, and voice communication over standard telephone lines. Built with Telebit's reputation for robust modem technology, the T3SA/T3000 series represents the intermediate speed step between early 9.6 Kbps modems and faster standards of the mid-1990s. This unit features Hayes-compatible AT command set support, making it compatible with most dial-up software and operating systems of its era.

Specifications & What's Included

• Brand: Telebit
• Model: T3SA / T3000
• Data Rate: 14.4 Kbps (Hayes 56K compatible mode)
• Capabilities: Data, Fax, and Voice transmission
• Interface: Serial RS-232 connection (standard 9-pin or 25-pin D-sub)
• Command Set: Hayes AT command set compatible
• Power: External 12V DC power supply (typical)
• Form Factor: Desktop / standalone unit
• Compatible with: MS-DOS, Windows 3.x through 98, Macintosh, and other legacy systems with serial ports

Applications

The Telebit T3SA was widely used throughout the 1990s for internet access, online services (CompuServe, AOL, Prodigy), bulletin board systems (BBS), and commercial data transmission when dial-up modem pools connected offices. Today, these modems remain sought after by retro computing enthusiasts, vintage computer restoration projects, and hobbyists building period-correct 386/486/Pentium systems or classic Macintosh environments. The modem's data, fax, and voice capabilities made it a versatile tool for home office use in the pre-broadband era. This unit dates from the mid-1990s, when 14.4 Kbps represented a significant speed upgrade and 56K Hayes compatibility was becoming an attractive feature as the industry prepared its transition to faster standards.