型号: IC600C 产品描述:RS-422/485 ISA Card with 4 IRQs, 2-Port, 16550 UART 详细描述: All cards eliminate disruptive line noise. The RS-422 and RS-485 interfaces measure the difference in electrical signals and keep this difference constant. Support both 2- and 4-wire operation and distances up to 4000 feet (1219.2 m). Cards are COM-1 through COM-4 addressable and also feature nonstandard I/O addressing.
NOTE: Cards with optical isolation are available. NOTE: Cards with 11 IRQs also available.