User manual

Specification
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 ST16C550. Transceivers used are type 75176.
• Serial Data Rates: 50 to 115,200 baud. 460,800 baud as a factory installed option.
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 to +60 °C.
• Industrial Version: -30º to +85º C.
• Storage Temperature Range: -50 to +120 °C.
• Humidity: 5% to 95%, non-condensing.
•Power Required: +5VDC at 200 mA typical, 300 mA maximum.
Manual 104-ICOM-2S, 104-COM-2S 7