RS232 to RS485/422 converters, lightning protection, anti-discharge, photoelectric isolation, external sources, 5KM UT-503

Feature1 Compatible RS-232 and RS-485, RS-422 standards of EIA/TIA 2 Automatic data transceiver without external volume control signal (RTS) and three-line (TXD, RXD and GND) communication. 3 Baud rate: 300BPS-115.2KBPS 4 Working current: 9-30VDC/350mA 5 A maximum connection of 128...

RS232 to RS485/422 converters, lightning protection, anti-discharge, 5Km UT-501

1. Interface characteristic: compatible the standards of RS-232C and RS485/RS-422 issued by EIA/TIA.2. Electric interface: DB9 female connector for RS-232 interface input end, and 10PIN connector for RS-422/RS-485 interface output end.3. Protection grade: +/-15KV ESD protection for RS-232 interface, and...