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The converter works between the main controller and sub station machine to complete industrial automatic control system, universal card system, access control system, car parking system, Self-served banking system, bus ticketing system, restaurant menu system, personnel attendance system and road toll system, etc.

• Easy use, no wire, no tool required.
• Without requiring any AC or DC power.
• A female DB9 interface allows it to be plugged directly into any one of the PC's Com ports.
• Convert RS-232 signal to RS-485 signal.
• Working Modes: Asynchronous, half-duplex, differential transmission.
• Work Environment: -10°C to 85°C, relative humidity 5% to 95%.
• Transmission Speed: 300-115200 bps.
• Transmission Media: Common wire, double wire, UTP or Shielding Line.
• Serial Port Feature: Compatible with EIA/TIA RS-232C standard and RS-485 standard.
• Electronic Interface: At the side of RS-232 is a DB9 female (hole-type) connector.
• At the side of RS-485 is a DB9 male (needle-type) connector, with connection board.


1. If you have any questions, please feel free to email us / Trademe question 24 Hours a Day, 7 Days a Week.We will reply you ASAP.

2. We greatly appreciate your POSITIVE feedback.
**Before leaving negative feedback, please contact us to see if we can help you with your concerns. Emails are typically responded within 24 hours.

3. Our aim is to provide Top Level Customer Service, so we will try our best to solve any problem.

4. Warranty: buyer pay for return for warranty product(s) & we pay for sending the replacement.

5. Combined postage is available, please ask!
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Shipping options

  • NON-RURAL Tracked 1-2 Working Days Non-Signature$4.00
  • RURAL Tracked 1-2 Working Days Non-Signature$7.50
  • Combined shipping: every extra item$1.50
  • Seller does not allow pick-ups
  • Seller location: Auckland City, Auckland, NZ

Payment options

  • NZ bank deposit