User manual

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Manual MICOM-2S.Eb
Specifications
Communications Interface
• Serial Ports: Two shielded male D-sub 9-pin IBM AT style connectors
compatible with RS422 and RS485 specifications. Serial
communications ACE used is type NS16550. Transceivers used
are type 75176.
• Serial Data Rates: 50 to 38,400 baud.(Optionally up to 230,400 baud with change in
clock and opto isolators), Asynchronous, Type 16550 buffered
UART.
• Address: Continuously mappable within 000 to 3FF (hex) range of AT I/O
bus addresses.
• Multipoint: Compatible with RS422 and RS485 specifications. Up to 32
drivers and receivers allowed on line.
• Input Isolation: 500 Volts, from computer and between ports.
• Receiver Input Sensitivity: ±200 mV, differential input.
• Transmitter Output Drive Capability: 60 mA (100 mA short-circuit current capability).
Environmental
• Operating Temperature Range: 0 °C. to +60 °C.
• Storage Temperature Range: -50 °C. to +120 °C.
• Humidity: 5% to 95%, non-condensing.
• Power Required: +5VDC at 150 mA typical, +12 VDC at 200 mA typical., 3 W
total power consumption.
• Size: 10 " long. (3/4 length) Although designed for a full-length slot,
if the card is installed in a eight-bit XT-style slot the card will
work but higher order IRQs 10-15 will be unavailable.)