These miniature RS-232 serial-to-parallel converter cables automatically select parallel or serial mode. Made in the USA.

The Patton Model 2025 & 2029 miniature serial to parallel converters represent a breakthrough in size and performance. The Model 2025 & 2029 support auto-directional data conversion, serial data rates to 38.4 kbps, plus both hardware and X-On/X-Off handshaking. Yet they are no larger than a DB-9 or DB-25 backshell (excluding cable), and require no AC power or batteries for operation!

The Model 2025 is designed to plug directly into an RS-232 device with a DB-25 serial port. The Model 2029 plugs directly into an EIA-574 (RS-232) device with a DB-9 serial port. Both come equipped with a six-foot serial-to-parallel converter cables. Both models use microprocessor technology to automatically orient themselves for operation as a serial-to-parallel converter or parallel-to-serial converter. A single LED indicator monitors five modes, including transmit status.

DB-9 (EIA-574) Versions Also Available

If you need to convert a DB-9 serial port to parallel or vice versa, you need the Patton Model 2029

  • Auto-Directional Data Conversion
  • Automatic Parallel-to-Serial or Serial-to-Parallel Mode Selection
  • Automatic DCE/DTE Mode Selection (Model 2025 only)
  • Support for Both Hardware and X-On/X-Off Flow Control
  • Data Rates to 38,400 bps
  • External Configuration Switches
  • No AC Power or Batteries Required
  • Integral 6 foot (1.8m) Cable (Custom Connectors and Lengths Available)
  • Link Status LED Indicator
  • Made in the USA — This Patton equipment is designed by Patton engineers and built in our Gaithersburg, Maryland facility. Patton's American-made manufacturing process delivers high-quality networking solutions with reliability you can trust.
# Model # Description Availability
1 2025 SER<=>PAR CONV, DB25F/36PIN-M General Availability
2 2025-25M SER<=>PAR CONV, DB25F/DB25M Special Order
3 2029 PAR/SER-SER/PAR INTERF CONV General Availability
4 2029-25F P-S/S-P INT. CONV W/ DB25F Special Order
5 2029-25M P-S/S-P INT. CONV W/ DB25M Special Order


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