Measurement Computing Digital HS - Manual (Page 14)

2.2.2.2.4 S2-4 iBUSY POL: Input Port Busy Handshake Line
The input port busy handshake line, iBusy, is an input line sourced by the
Digital488HS/32. It can be configured as active high or active low. Factory default is
active high.
S2
iBUSY POL
OPEN
8 7 6 5 4 3 2 1
Active Low iBusy
S2
iBUSY POL
OPEN
8 7 6 5 4 3 2 1
Active High iBusy
(default)
Polarity Selection for the iBusy Handshake Line
2.2.2.2.5 S2-5 iEND POL: Input End Control Line Polarity
The iEND control line is latched into the ninth bit of the second byte input port. This
latched iEND signal directly drives the IEEE 488 EOI line during the second byte
transfer and can be used to signal the end of the transfer to the IEEE 488 controller.
iEND can be set for active high or active low operation. Default is active high.
OPEN
S2
iEND POL
8 7 6 5 4 3 2 1
Active Low iEND
OPEN
S2
iEND POL
8 7 6 5 4 3 2 1
Active High iEND
(default)