Full text of 'Microcomputing Magazine (August 1983)' See other formats. USER GUIDE AND SPECIFICATIONS NI USB-6525 This user guide describes how to use the National Instruments USB-6525 data acquisition (DAQ) device. Introduction The NI USB-6525 is a full-speed USB 2.0 device that provides eight ±60 VDC channel-to-channel isolated digital inputs (DI), eight 60 VDC/30 V rms channel-to-channel isolated solid-state. If you use a microHAM 'keyer,' a good test is to remove the DB15/DB37 connector and USB cable from the keyer and measure the resistance from the shell of the DB15/DB37 to the shell of the USB cable. Comments to this Manuals.
Optically Isolated Usb Hub
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