Access Control - West Penn Wire
serial RS-485 communication line. External RS-232/485 converters or internal RS-485 cards have to be installed, as standard PCs do not have RS485 communication ports. Advantages: • RS-485 standard allows long cable runs, up to 4000 feet (1200 m) • Relatively short response time. The maximum number of devices on an RS-485 line is limited to 32,
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