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RS-485 is used in building automation as the simple bus wiring and long cable length is ideal for joining remote devices. It may be used to control video surveillance systems or to interconnect security control panels and devices such as access control card readers.

It offers data transmission speeds of 35 Mbit/s up to 10 m and 100 kbit/s at 1200 m. Since it uses a differential balanced line over twisted pair (like RS-422), it can span relatively large distances (up to 4,000 feet (1,200 m)). A rule of thumb is that the speed in bit/s multiplied by the length in meters should not exceed 108. Thus a 50 meter cable should not signal faster than 2 Mbit/s.

Our IR Extender extends infrared capability by converting IR signals to digital data, which can then be read from any PC or RS485 serial port.

Search for your AV devices to check IR Database compatibility,your iPhone/iPad is able to control many home theater AV and AirCo devices with unmatched support for IR Control Tower and Datebase.

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