Aeroflex Microelectronic Solutions
For over 55 years, the Weinschel name has become synonymous with quality, performance and reliability. Aeroflex / Weinschel’s extensive range of products include components, subsystems and connector systems. Today, built upon a strong engineering heritage, Aeroflex / Weinschel continues to provide a vast array of standard products together with custom-engineered solutions.
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A Logical Interface for Electromechanical Devices!
Designed to interface to Aeroflex / Weinschel's line of SmartStep programmable attenuators, the 8210A represents a new concept in device control applications for bench test and subsystem designs. The 8210A provides a high-level interface from various industry standard communications interfaces, including IEEE-488 and RS232/RS422/RS485, to the SmartStep's serial Driver Interface Bus.  Click here to download more Model 8210A Data Sheet
Click here to download Model 8210A Instruction Manual
Download Firmware update Ver 2.65.
The Driver Interface Bus (DIB) is a system for connecting a number of relatively low-speed I/O devices to a host, providing a simple, uniform, and inexpensive way to control a variety of devices via a single port. The DIB is based on the two-wire serial bus and several software protocol layers that allow the SmartStep Interface to address up to 32 peripheral devices, with serial data rates of up to 100 KHz. The DIB may also be used to supply DC power to the devices, resulting in a simple, low-cost interconnection system.
The SmartStep Interface is available in several models, each providing a different type of communications interface to suit the user's configuration requirements. Each model contains similar capabilities, and provides switch-selectable parameters to tailor the Interface's operation. The serial models (RS232/422/485) have selectable baud rates up to 115 K, parity, and handshake options, while the GPIB model allows for a user-selectable address. RS232 can be used in standard PC communications for short-to-medium distances (approx 50 ft). RS422 and RS485 allow for very long distance (4000 ft @ 115K) communications. RS422 is similar to RS232 in that it is optimized as a single node protocol, typically with one device connected to a single port. RS485 is optimized for multi-drop connections that can be used to create a low-cost network. Download Firmware update Ver 2.65: * Be sure to unzip file before installation. Special Driver Configurations
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The Aeroflex / Weinsche Model 8210A SmartStep® Interface provides a flexible, low-cost solution for the operation of programmable step attenuators and other electromechanical devices under computer control. 
