All three of these testers can check cable pairs and wiring, estimated cable lengths, and data rates. Plus all can blink the switch port LED lights to help identify the port you’re testing and send ...
Tektronix introduced the P6042 current probe in 1969, priced at $625 ($4100 in 2016 dollars). It has a probe you can clamp onto a wire carrying current. The output of the P6042 goes to an oscilloscope ...
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