Operation Manual

Model 2750 Multimeter/Switch System User’s Manual IEEE-488 Bus Overview G-3
Figure G-1
IEEE-488 bus configuration
Device 1
able to talk,
listen, and
control
(computer)
Device 2
able to talk
and listen
2750
Device 3
only able to
listen
(printer)
Device 4
only able to
talk
DAV
NRFD
NDAC
IFC
ATN
SRQ
REN
EOI
Data Bus
Data Byte
Transfer Control
General Interface
Management
DIO 1–8 Data
(8 Lines)
Handshake
Bus
Management
To Other Devices
2750-900-01.book Page 3 Wednesday, August 3, 2011 7:56 AM