The In-line surge protector for 25 pin D sub connection is designed to protect any serial (RS-232) port from...

Single RS232 Supplies with USB to DB9 serial converter and 9 pin to 25pin serial adapter

Voltage: 3.3V or 5VPL2303HX ChipLED data TX/RX indicator4 Pins: VDD,TxD,RxD,GNDSize 55x22x11mmNo drivers required...

DVR & PC-OUT TO BUS Bi-directional diversion converts RS232 to RS485 data signal transmission. No additional power...