L-com美国

RS232转RS485接口转换器，DB9公头/DB9母头，外部供电，带光电隔离 - SC-232-B L-com's SC-232-B RS-232 interface converter offers a maximum transmit distance of 1,800 meters @ 115.2Kbps and features automatic Send Data Control (SDC). SDC automatically enables the RS-485 driver when data is present on the RS-232 side. Additional features include 2,500 Volt isolation/1,500 Watt surge protection, point to point 2-wire half duplex support as well as point to multi point 2-wire half duplex operation. Includes DB9 female to screw terminal block adapter. SC-5VDC-PWR available (sold separately). Order online today!