AC7 OPTO 22, AC7 Datasheet
AC7
Specifications of AC7
Available stocks
Related parts for AC7
AC7 Summary of contents
Page 1
... DATA SHEET Form 466-030613 Description INTRODUCTION The AC7 is a stand-alone adapter card that converts RS-232 serial communication to RS-422 serial communication, which is directly compatible with the Optomux family of intelligent brain boards. Features • RS-422 balanced line drivers • Operates with up to 5,000 feet of RS-422 twisted-pair cable • ...
Page 2
... To take advantage of the Optical Isolation feature of the AC7, separate power supplies for +5 Volts and for +12 and -12 Volts are required. In this mode, AC7 requires 200 milliamps at +5 Volts and 50 milliamps at +12 and -12 Volts. Jumpers "E" and "F" MUST be removed if a separate +5 Volt power supply is connected. ...
Page 3
... Signal Common, pin Signal Common, pin7 REVERSING PINS 2 AND 3 ON AC7 The AC7 provides a set of jumpers that allows you to reverse pins 2 and 3. This is helpful if you are using a cable that is not a null modem. The jumpers are installed at the factory for use with a null modem cable. ...
Page 4
... Many serial ports monitor pins on the RS232 connector as an indication that the connected data equipment is ready to receive data. If you are fabricating your own cable, the required logic levels can be provided by "looping back" the appropriate pins on the RS232 connector that attaches to your serial port. For example, when connecting the AC7 DB25 serial port, pins and 20 must be tied together. ...
Page 5
... Up to 5,000 feet RS-422 full duplex over two twisted pairs and a signal common. Communications Shielded cable recommended. Does not support RS-485 2-wire mode (see AC7A/B) Indicators Transmit, Receive Dimensions Opto 22 • 43044 Business Park Drive • Temecula, CA 92590-3614 • Phone: (951) 695-3000 • (800) 321-OPTO • Fax: (951) 695-3095 • www.opto22.com Inside Sales: (800) 321-OPTO • ...
Page 6
... Opto 22 • 43044 Business Park Drive • Temecula, CA 92590-3614 • Phone: (951) 695-3000 • (800) 321-OPTO • Fax: (951) 695-3095 • www.opto22.com Opto 22 • 43044 Business Park Drive • Temecula, CA 92590-3614 • Phone: (951) 695-3000 • (800) 321-OPTO • Fax: (951) 695-3095 • www.opto22.com Inside Sales: (800) 321-OPTO • ...