Hardware Detail

The IBM 7857-017 modem runs at up to 19.2 Kbps download speed through its Serial RS-232 interface over 2-wire or 4-wire leased analogue lines.

• Transmission - Analog
• Data Transfer Rate - 19.2 Kbps full duplex
• Hardware Interface - Serial RS-232
• Supported Protocols
  • Data Compression ITU V.42bis
  • Error Correction ITU V.42 (LAPM)
  • Analog Modulation - ITU V.22, ITU V.22bis, ITU V.32, ITU V.32bis
• Command sets
  • Hayes AT
  • LPDA-2
• Features
  • auto answer
  • auto call detection
  • auto configuration
  • auto redial
  • auto synchronization
  • automatic data/fax detection