TM 5-6675-323-14
Table 3-25. HP-IB TESTS
NOTE
Complete program referred to as "Supervisor Program".
Function
Test
Sends four bytes: error byte, address byte, control
Status
byte, and status byte.
C h e c k s to be sure that all control lines can be set and
Control Byte
cleared independently using R7 out.
Ensures IFC works correctly.
IFC
Makes sure IUT* can address itself to talk and listen.
Self-Address
E n s u r e s that handshake lines** operate correctly and
Handshake
IUT can act as talker and listener.
Ensures that all DIO lines operate correctly and inde-
Data
Transfer
pendently.
Ensures IUT* can pass control to another device.
P a s s Control
E n s u r e s that IUT can be addressed to be both active
E x t e r n a l Address
talker and active listener by another controller.
Ensures that IUT can request service and can respond
Service Request
correctly to serial poll.
Interrupt
E n s u r e s IUT can accept interrupt enable, and mask and
issue interrupt at appropriate time.
M a k e s sure IUT can issue parallel poll to other devices
Parallel Poll
and respond to parallel poll request.
* IUT - Interface Unit Tested (refers to HP-IB Interface)
** DAV, NRFD, and NDAC are handshake lines.
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