(USA and Canada only)
250 mA at 5 VDC
150 mA at 12 VDC
150 mA at -12 VDC
Operating Temperature Range
0 °C to 60 °C
95% relative humidity, non-condensing
RS-422/485 (9-pin, D-shell female connector)
up to 38,400 baud
up to 5,000 feet
full duplex over two twisted pairs and a ground
additional twisted pairs for RTS and CTS
transmit, receive, RTS, and CTS
The AC24AT is an RS-422/485 adapter card that plugs directly into the IBM PC bus and provides up to 4,000 VAC isolation between the PC bus and the communications link.
The AC24AT and AC422AT cards provide an asynchronous RS-422/485 communications port for the ISA bus. The adapter cards are seen by the computer as standard COM ports.
This document is a statement of compliance with the EU Directive 2015/863/EU, Restriction of Hazardous Substances (RoHS 3). This document lists Opto 22 products that comply with the substance restrictions of the RoHS 3 directive.
This document is the Manufacturer's Declaration for the listed products as mentioned in the attachment - to which this confirmation refers - that they are in accordance with the mentioned European, international and/or national standards and regulations.