
Appendix A Digital232 Command Summaary
A.2
Handshake H0
Pulse the Clear line
H1
Pulse the Strobe line
H2
Pulse the Trigger line
Inhibit Q0
Clear Inhibit line
Q1
Set Inhibit line
Invert I0
All control line outputs are active high
I1
Inhibit output is active low
I2
Trigger output is active low
I4
Data Strobe output is active low
I8
Clear output is active low
I16
Data is low true
I32
EDR input is falling-edge sensitive
I64
Service input is falling-edge sensitive
Port P0
All ports selected
P1
Port 1 selected
P2
Port 2 selected
P3
Port 3 selected
P4
Port 4 selected
P5
Port 5 selected
Reset @
Reset the
Digital232
to power-on conditions
SRQ M0
SRQ is disabled
M1
SRQ on Service Input transition
M2
SRQ on EDR input transition
M4
SRQ on command error
Status U0
Send Status information when next addressed to
talk (*.*C#E#F#G#I###M#P#R#Y#)
Un
Read state of bit n (1 thru 40)
Terminator Y0
CR LF
Y1
LF CR
Y2
CR only
Y3
LF only
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