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Glossary
VX1410 IntelliFrame Instruction Manual
Glossary–3
C-Size Card
A VXIbus instrument module that is 340.0
×
233.4 mm
×
30.48 mm (13.4
×
9.2 in
×
1.2 in).
Custom Device
A special-purpose VXIbus device that has configuration registers so as to be
identified by the system and to allow for definition of future device types to
support further levels of compatibility.
Data Transfer Bus
One of four buses on the VMEbus backplane. The Data Transfer Bus allows
Bus Masters to direct the transfer of binary data between Masters and Slaves.
Delta Temperature
The difference between the exhaust temperature of a given slot within the
VX1410 IntelliFrame and the input air temperature.
Device Specific Protocol
A protocol for communication with a device that is not defined in the
VXIbus specification.
D-Size Card
A VXIbus instrument module that is 340.0
×
366.7 mm
×
30.48 mm (13.4
×
14.4 in
×
1.2 in).
DTB
See Data Transfer Bus.
DTB Arbiter
A functional module that accepts bus requests from Requester modules and
grants control of the DTB to one Requester at a time.
DUT
Device Under Test.
ECLTRG
Six single-ended ECL trigger lines (two on P2 and four on P3) that function
as inter-module timing resources, and that are bussed across the VXIbus
subsystem backplane. Any module, including the Slot 0 module, may drive
and receive information from these lines. These lines have an impedance of
50
; the asserted state is logical High.
Embedded Address
An address in a communications protocol in which the destination of the
message is included in the message.
ESTST
Extended STart/STop protocol; used to synchronize VXIbus modules.
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