GeoPort Telecom Adapter Kit


At A Glance

The GeoPort Telecom Adapter Kit turned a Power Macintosh into a high-speed modem, intelligent telephone, digital answering machine, and fax OCR. Features included a full-duplex speakerphone, intelligent dialing and call logging, digital answering machine and support via AppleScript for integration with off-the-shelf telephony-aware applications. Read the original specifications of the GeoPort Telecom Adapter Kit at the Apple Support site here.

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Original Specifications

  • Power requirements:
    • The GeoPort Telecom Adapter II operates from the computer’s power via an extra line on the cable that connects the adapter to the computer. A separate power supply or battery is not needed.
  • Environmental requirements:
    • Operating temperature: 50° to 104° F (10° to 40° C )
    • Storage temperature: –40° to 149° F (–40° to 65° C)
    • Relative humidity: 20% to 90% noncondensing
    • Maximum altitude: 10,000 ft. (3,048 m)
  • Size and weight:
    • Height: 1.5 in. (3.8 cm)
    • Width: 2.8 in. (7.1 cm)
    • Depth: 5.7 in. (14.5 cm) for pod; 7.7 in. (19.6 cm) for pod and standoff
    • Weight: 0.46 lb. (0.21 kg) for pod; 0.67 lb. (0.30 kg) for pod and cable
  • General telephone:
    • Single phone line for voice, fax, and data
    • Dialing capability: Tone/pulse dialing, Auto or manual dialing and answering
    • Voice features: Record from phone line, Play audio to phone line, Real-time audio supports full-duplex speakerphone
  • Fax:
    • Group 3 fax communication standards:
      • CCITT V.27ter: 2400, 4800 bps
      • CCITT V.29: 7200, 9600 bps
      • CCITT V.17: 12,000; 14,400 bps
    • Error control: Fax error correction mode (ECM)


  • Modem:
    • Data communication standards:
      • CCITT V.34: 28,800; 26,400; 24,000; 21,600; 19,200; 14,400; 12,000; 9600; 7200; 4800 bps
      • V.32bis: 14,400; 12,000; 9600; 7200; 4800 bps
      • CCITT V.32: 9600; 4800 bps
      • CCITT V.22 bis: 2400 bps
      • Bell 212A: 1200 bps
      • CCITT V.22: 1200 bps
      • CCITT V.23: 1200/75 bps
      • CCITT V.23: 75/1200 bps
      • CCITT V.21: 300 bps
      • Bell 103: 300 bps
    • Error correction and data compression:
      • Full CCITT V.42/V.42bis compliance
      • MNP classes 2–5
    • Data transmission and format:
      • Full- or half-duplex operation
      • Asynchronous or framed modes
    • Character formats:
      • 5, 6, 7, 8 data bits
      • 1 or 2 stop bits
      • Odd, even, or no parity
  • System requirements:
    • Any Power Macintosh except 5200, 5300, and 5400 series; or other PowerPC processor–based computer, including the Macintosh Performa 6100, 6360, and 6400:
    • Macintosh system software version 7.1.2 or later (System 7.5 or later recommended)



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