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「PD-485 - Outdoor RS485 PTZ Decoder AC24V/AC220V」 PTZ intelligent controller enable to control PTZ camera's pan, tilt, zoom, iris, focus and auto pan by using RS485. Pan & tilt scanner voltage AC24V/AC220V selectable. 「UT-232I - CNEX RS-232 to RS-232 Isolated Converter」 Transparently transmission for RS-232 signal. Compact and no external power require. Compatible with RS-232 TIA/EIA standards. Applies to all communications used by the software, plug & play. 「UT-201 - CNEX RS-232 to RS-485 Converter」 Signal convert from RS-232 to RS-485. Compact and no external power require. Compatible with RS-232, RS-485 TIA / EIA standards. Applies to all communications used by the software, plug & play. 「UT-208 - CNEX RS232 to RS422/485 LED Isolated Converter」 Signal transparently convert & transmits from RS-232 to RS-422 / RS485. Compatible with RS-232, RS-422, RS-485 TIA / EIA standards. Applies to all communications used by the software, plug & play. 「UT-209 - CNEX RS-422/485 LED Isolated Repeater」 Extend the RS-422/RS-485 communication's distance. Compatible with RS-422, RS-485 TIA / EIA standards. Applies to all communications used by the software, plug & play. 「UT-277 - CNEX RS-232/422/485 Multimode Fiber Optic Modem」 Ordinary multimode fiber, effective communication distance of 4KM. Fiber as a transmission medium can completely avoid bad environment lightning, surges, electromagnetic interference and the threat of communications equipment, eliminating the original use of the copper lightning surge protection equipment investment. 「UT-620 - CNEX TCP/IP to RS-232/422/485 Interface Converter」 Provides TCP/IP networks to RS-232/422/485 signal transparent conversion, support static and dynamic IP. Three operating modes: TCP server, TCP client and automatic mode. Application procedures will be adopted and converter three ways to communicate and send and receive data: socket, Active X controls, and virtual serial port.