DTECH RS232 to Serial Port Optic Electric Isolator Protect You PC and Device

9 pin male to female converter - RS232 system communication serial port optic isolation protector product Mini RS232 opto isolator is suitable for terminal devices using 3 wire system (TXD, RXD and GND), such as modem, router, multi-user system and satellite receiver, etc RS232 isolated interface adapter protects against the effects of electrostatic discharge, surge, faulty wiring and lightning Bus-powered serial optocoupler supports RS-232 asynchronous communication standard, direct insert into RS-232 interface serially, convenient operation For added convenience, the DB-9's male / female genders are reversible with the included thumbscrews