Welcome to the RB-x20 Series response pads customer support area. Here are the documents currently available.
If you are not using any of the applications listed above, click here for additional interfacing information.
Note: This page shows the support documents available for the serial port-based RB-x20 models (discontinued). These are the RB-420 and RB-620 introduced in September 2001, and the RB-520 and RB-820 introduced in April 2003.
1-800-CEDRUS1 (that’s 1-800-233-7871)
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