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Package Size: 11.4 x 6.9 x 2.8 inches
The AC7B is a stand-alone adapter card that converts RS-232 serial communication to RS-422/485 serial communication, which is directly compatible with the Optomux family of intelligent brain boards. Power Requirements: 220 VAC +/- 20 VAC at 50-60 Hz . Power Consumption: 0.1 amps at 115 VAC, 5 watts (dissipation). Operating temperature Range: 0 Degree C to 70 Degree C, 0 to 95 percent Humidity (non-condensing). Optical Isolation: 4,000 V between RS-232 and RS-422/485. RS-232 Interface: 25-pin, DB-25 female connector. RS-422/485 Interface: Screw terminals or 9-pin, DB-9 female connector. Baud Rate: Up to 38,400 baud; 115.2KBd in Rev L (AC7A) and later and in Rev. C (AC7B) and later. RS-232 Distance: Up to 50 feet. RS-422/485 Distance: Up to 5,000 feet at 38,400 baud (3,000 feet at 115,200 baud). Communications: RS-422/485 full duplex over two twisted pairs and a ground. Additional twisted pairs for RTS and CTS. Also supports RS-485 2-wire mode. This requires user to build a custom RS-232 cable. Indicators: Transmit, receive, RTS, CTS, and power.
IEC 950: 1991-09
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