Printronix Series 5 - Manual (Page 212)

Printer Specifications A–7
Interfaces
Type: Standard: IEEE 1284 Parallel, Centronics Parallel,
RS–232/RS–422 serial, Dataproducts Parallel
Optional: Coax, Twinax, Dataproducts Longlines,
Ethernet 10Base–T, Ethernet 10Base–2.
Logic Levels: TTL/EIA–232E/EIA–422B
Transfer Rates: Up to 200 Kilobytes on parallel interface
Up to 19.2K baud on RS–232 serial interface
Up to 115.2K baud on RS–422 serial interface