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Part# 3087

(COMM+2/EX)

ISA 2-Port RS-232, RS-422, RS-485 Serial Interface


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The 3087 ISA serial interface provides two RS-232, RS-422, or RS-485 Asynchronous links to data collection and other devices. Fully independent operation of ports allows the configuration of the 3087 with either two RS-232 ports, two RS-422, RS-485 ports or with a combination of one RS-232 port and one RS-422, RS-485 port. Extended AT interrupts allow multiple serial ports to be assigned to different IRQ lines.

For user's that require custom baud rates, isochronous communications, or 9-bit protocol, the 3087 ISA serial interface is available with the Oxford 16C950 UART, part number 3087-SN.

Note: This item has a minimum order quantity (MOQ) of 25 units. Please contact your sales representative with any questions.
Host Interface(s) ISA
# of Ports 2
Electrical Interface RS-232, RS-422, RS-485
UART Series 550 UART
Serial Connector(s) DB9M
Communications Chip 16550
Max Data Rate 115.2K bps
Max Data Distance 4000 feet
RS-485 Operation Full Duplex (4 wire)
Half Duplex (2 wire)
Operating Temperature 0 - +70C
Storage Temperature -50 - +105C
Humidity Range 10 - 90% Relative Humidity, Non-Condensing
• RS-485 two or four wire operation
• Individually selectable interrupts (2-5, 7, 10-12 and 15)
• Windows Auto RS-485 driver software included
• Selectable address including COM1COM4 and any I/0 address up to 3FF Hex






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