pulsetest.py output
===================

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2014-05-07-11h38m36s: starting test
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2014-05-07-11h38m46s: ending test
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pulses sent and received:
ch 1 / i: 0 / o: 1
ch 2 / i: 0 / o: 1
ch 3 / i: 1 / o: 0 --> TTL input from DUT CH3
ch 4 / i: 0 / o: 0
ch 5 / i: 0 / o: 0
ch 6 / i: 0 / o: 0
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rdchxpcr.py output
==================
CH1: 1  --> first pulse of M-shaped pulse
CH2: 1  --> second pulse of M-shaped pulse
CH3: 1  --> ONLY ONE pulse received, due to peculiarity in TTL input stage
CH4: 1  --> one pulse received from BLO CH3 OUT
CH5: 0
CH6: 0