Measurement Computing Parallel488 - Manual (Page 32)

Section 4 IEEE to Parallel Operation
4.8
31 /INIT out The Parallel488 pulses this line low for
approx. 50 µs upon receipt of an IEEE 488
Device Clear, Selected Device Clear, or at
power on.
32 /ERROR in Off-Line signal. Not used.
33 Logic GND Signal return.
36 /SLCT IN out Always low. Selects the external parallel device.
ACKNLG
BUSY
DATA
STROBE
IEEE to Parallel Mode Timing
in
in
out
out
Signal Dir
5 µs min
0.5 µs min
1 µs min