Industrial Datacom RS-232, 422, 485 Port Protectors
Connect-IT 593 RS-232/422/485 Opticial Isolators

Asynchronous RS-422/RS-485 optical isolators which guard your asynchronous data equipment from the hazards of ground looping

The 593 is available in three versions: RS-422, DB-25, and Terminal Block. The 593 Series connects any RS-422 or RS-485 equipment and isolates RS-485 and RS-422 signals.

All Models have selectable Dip switch settings for RS-422/RS-485 applications. The Model 593 Series provides 2500Vrms of isolation and supports data rates up to 115.2 kbps. The Models 593/25F/45/TB are powered by an external +5V regulated power supply.

The Models 593/25F, 593/45, and 593/TB isolates transmit data (XMT+ and XMT-) and receive data (RCV+ and RCV-). The Model 593/45 has a RJ-45 on both sides, the Model 593/TB has a terminal block on both sides, and the Model 593/25F has DB-25 female connectors on both sides.

  • Switched-56 and All Rate Dedicated Operation
  • Asynchronous Operation
  • Half or Full Duplex over 2 or 4 wire lines
  • Maximum cable length 4000 ft.
  • Supports Data rates to 115.2 kbps
  • 2500 Vrms isolation
  • 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.


Ordering information for this product is not publicly available at this time.
Please accept our apology as we regret any inconvenience to you.

For more information
about the availability of this product and/or alternative solutions,
please contact Patton's Product Management team at or +1 301 975 1000

Sales: / +1 301 975 1000
Support: / +1 301 975 1007
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