RS422
One of several standards that incorporate balanced line signals into DB connectors. A pair of wires is used to carry each signal. The data is encoded and decoded as a differential voltage between the two lines. (www.sangoma.com)
See Also: Serial Communications, I2C, RS232, RS485
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Product
Cybercast System VBI Data Inserter
VDI-2000S
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The VDI-2000S Video Data Inserter accepts data in either RS-232 or RS-422 serial format, then inserts the data onto an NTSC/PAL composite analog video signal. It can encode any of the standard VBI data formats plus the super-robust EnXpress' format at data rates from 4800 baud to 115,200 baud. The rugged self-contained metal enclosure has a number of mounting options from desktop, to rear side-rail rack mounting, to ganged front-side or rear-side rack mounting.
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Product
RS422 Mode SI-module With Optical Isolation
MX422-G
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RS422 mode SI-module with optical isolation
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Product
USB to RS-422/RS-485 Converter
ND-6530
Data Acquisition Module
ADLINK's NuDAM data acquisition modules make up a total acquisition network and control system. Up to 256 NuDAM modules an be romotely controlled on any RS-485 network from a host computer, via a single serial RS-232, allowing communication from as far as 4000 feet from the host. Based on the RS-485 multi-drop network system, each module has a unique address ID, whereby simple ASCII command & response protocols through the standard RS-485 interface can control all the NuDAM modules in the RS-485 network. The NuDAM modules provide direct communications with a wide variety of sensors, perform all signal conditioning, scaling, linearization and conversion, and can acquire measurements of temperature, pressure, flow, voltage, current, and multiple digital signal types.
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Product
Tunable Filters - Digitally Controlled
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K&L Microwave offers a variety of Tunable Filter Products to satisfy a broad range of filtering applications. Tunable Bandpass and Bandreject filters provide the best solution for pre-tuning the desired signals while rejecting the interfering signals. The method of tuning can be either mechanical via a tuning knob mounted on the front of the filter, or electro-mechanical via an optional remote digital interface such as GPIB, RS-232, RS-422, BCD, ARC171, ARC234, Ethernet, USB or "Thumbwheel" panel mount.
