Moxa Uport 1150 USB-RS485/RS422/232
Moxa Uport 1150, USB-RS485/RS422/RS232 Converter, compatible with USB 2.0, software selectable RS-422, RS232, 4-wire RS-485, and 2-wire RS-485, male DB9 and terminal block for easy wiring, serial transmission speed up to 921.6 Kbps, active (USB), TxD/RxD LEDs, built-in 15 KV ESD protection,
Moxa Uport 1130 USB-RS485/RS422
Moxa Uport 1130 USB-RS485/RS422 Converter - compatible with USB 2.0, software selectable RS-422, 4-wire RS-485 and 2-wire RS-485, male DB9 and terminal block for easy wiring, up to 921.6kbps serial transmission, active (USB), TxD/RxD LEDs, built-in 15KV ESD protection.
Gefen EXT-RS232
Gefen EXT-RS232, extends any RS232 compliant device up to 1000 feet (300 meters) from the computer, one CAT-5e cable required for extension