lowing up your COMM PORT this simple device will protect your PC and RS232 devices, when plugging into an unknown device or plugging into one that has a short you can damage your comm port in a hurry!
This RS232 Optic Electric Isolator is designed to protect the RS232 serial interface at both ends of the device, inhibit static and surge, prevent ground loop and surge damaging devices.
Connection:
9 pin DTE devices transmit on pin 3 and receive on pin 2
9 pin DCE devices transmit on pin 2 and receive on pin 3
Specific
Optic electric isolation voltage: Instant 2.5KV rms; Continous 500VDC
Transmission Rate: 300 bps – 57600 bps
Power: Port powered, Supply from RS232 (one of TXD / DTR / RTS)
Original Packing Included
1 x RS-232 Optic Electric Isolator
1 x User Manual