Datamax-O’Neil Mark III: Interface Connections and Serial Pinouts

by ScanSource Technical Services on August 1, 2011

in Barcode Printing,ScanSource POS & Barcode,Technical Knowledge Portal,Technology

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The printer can be connected to the host system via the parallel, serial, Ethernet or USB ports.


Cable Requirements
Choose the correct cable when interfacing the printer to the host:

  • The Parallel Port (optional) supports parallel communications via a 36-pin male mini-Centronics connector. Bi-directional communications (forward and reverse channels) is supported when an IEEE 1284 compliant cable and supporting host software is used.
  • The Ethernet Port (optional) supports Wired LAN communications.
  • The Serial Port supports RS-232C communications via a DB-9 connector with specific pin-outs (interface cable part numbers and pin-outs are given below; contact your reseller to order). Serial port settings are menu-selectable and must match the host settings.

    • The USB Port supports high-speed serial communications and requires a standard USB interface cable.

Instructions also available for download.

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