ATC-155 RS232 Extended Pair Line Booster - Up to 7 miles (12K meters)


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MPN: ATC-155

Manufacturer: ATC

Stock Status: In stock

Delivery: Ships same or next business day
Free shipping to the US on orders over $100

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Product Information

Product Description

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Simple RS232 DB9 extender allows you to extend the standard 50 feet of RS232 up to 12,000 meters (about 7 miles).  

The ATC-155 performs full-duplex transmission of asynchronous data over four wires (two twisted pairs). The data transmission between each line driver utilizes differential signaling that is immune to electrical interference and therefore makes it ideal for use in light manufacturing and industrial office areas. It can run up to speeds of 57.6 kbps


  • Extends communication distance of serial port RS232 to 12 kilometers (7 miles)
  • Balances current transmission, powerful anti-jamming capacity
  • Adopts photoelectric isolation to prevent devices damaged by ground loop and surge
  • Isolation voltage up to 3500V
  • Supports RS232 asynchronous communication standard
  • No external power supply needed
  • Full duplex or simplex mode
  • Compact Size

Documents and Drivers


ATC-155 User Manual



68 x 34 x 16 mm


Serial: DB9 full duplex


3500V Optical Isolation



Power Supply

Port powered using TX,RX signals

Product Weight

40 g


Up to 12 Kilometers

Serial Interfaces


Serial Types


Temperature Range

-25°C to +65°C (-13°F to +149°F)


0% to 95%

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