Model232I RS-232 Isolater

In stock (7 items available)
  • Weight
    0.04 kg
  • SKU
    TOD-003

In line, port powered RS-232 isolator. Male DE-9 to Female DE-9

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The 3onedata Model232I isolater sits in an RS-232 serial connection and provides 5 kV optical isolation. It draws power from the idle state of the lines on either side (port powered) so there is no electrical connection from one port to the other at all.

The isolator is useful in situations where electrical noise is a concern (motor drives, switchgear, radio systems), where high voltages are involved (powere metering etc) or where separate power supplies result in a ground voltage imbalance.

The isolator requires no configuration or set up. Just plug it in your serial line to benefit from port protection and isolation.


  • Standard: Accord EIA RS-232 standard 
  • Protocol: RS232 signal: TXD, RXD, GND 
  • Working: Asynchronism, point to point 
  • Baud rate: 300-115200 bps 
  • Isolate signal: TXD, RXD, GND 
  • Transmission: 5M 600 W surge protection, 15KV ESD protection 
  • Isolation: 5000 V 
  • Connector: DB-9 female, DB-9 male 
  • Working temperature: -40 to 80℃ 
  • Storage temperature: -40 to 85℃ 
  • Relative humidity: 5% to 95% 
  • No power supply needed: Powered from TXD, RTS, DTR signal in RS-232 port Static consumption less than 10 mA
  • Dynamic consumption: less than 40 mA 
  • Dimensions: L*W*H: 90*33*16.5 mm(DB9) 60*55*16.5 mm(DB25) Shell: Plastic
  • Color: White 
  • Weight: 30 g

Faulty Goods and Warranty

Where such goods have been supplied we undertake to repair or replace them as quickly as possible.Prior to returning faulty items, please contact us with a description of the fault as one of our engineers might be able to assist you by resolving the issue over the phone.
A Warranty form must be filled out and returned with any goods.

Our standard warranty period is 12 months from the date of purchase unless stated otherwise.

Other warranty periods:

Labjack Products: 5 Years
Atop Products: 3 Years
MeanWell Products: 3 Years
Terracom Products: 3 Years

Warranty is subject to us being satisfied that a defect was caused by defective workmanship or materials and was not caused by or was not substantially contributed to by other factors beyond our control including incorrect installation, alterations or modifications of the product not recommended by the manufacturer.

Returns Policy

If you are dissatisfied with our goods you may return them within 14 days of the dispatch date. Contact us for an authorisation and we will refund your purchase less shipping costs and restocking fees. All returned goods MUST be in AS NEW condition including ALL PACKAGING and DOCUMENTATION / MANUALS etc.

Please note:

  • The product returned will attract a 20% restocking fee.
  • The customer must pay the delivery costs.
  • Non standard, custom made or a specially manufactured or imported products are not returnable.
  • Semiconductors, books and software are not refundable

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