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Managing Multiple-mainframe Measurements
In a single-mainframe measurement, the HP E1432A communicates with
other HP E1432As through the TTLTRG lines. However, when using the
VXI-MXI bus extender modules, the TTLTRG lines, which carry the group
synchronization pulse and sample clock, are extended only in one direction.
This unidirectional signal connection restricts the types of measurements
you can make in a multiple mainframe environment.
You cannot perform the following types of multiple mainframe measurements:
q Unequal pre-trigger delay settings between mainframes
q Channel triggering by channels in Mainframe B
q Lower spans or longer blocksizes in Mainframe B
q Different digital filter settling times between HP E1432A modules
Digitizer+DSP
51.2 kSa/s
16 CHANNEL
ExSamp
ExTrig
Cal
FailAcs Trigger
5-8
1-4
Chan
Chan
Chan
Chan
9-12
13-16
Digitizer+DSP
51.2 kSa/s
16 CHANNEL
ExSamp
ExTrig
Cal
FailAcs Trigger
5-8
1-4
Chan
Chan
Chan
Chan
9-12
13-16
Digitizer+DSP
51.2 kSa/s
16 CHANNEL
ExSamp
ExTrig
Cal
FailAcs Trigger
5-8
1-4
Chan
Chan
Chan
Chan
9-12
13-16
Digitizer+DSP
51.2 kSa/s
16 CHANNEL
ExSamp
ExTrig
Cal
FailAcs Trigger
5-8
1-4
Chan
Chan
Chan
Chan
9-12
13-16
(or HP E1431A)
(or HP E1431A)
HP E1432A
HP E1432A
HP E1482B
HP E1482B
Slot 0
Contoller
VXI Mainframe A
VXI Mainframe B
HP E1432A
HP E1432A
HP E1432A
HP E1432A
Figure 3-9: Multiple mainframes - two mainframes
HP E1432A User's Guide
Using the HP E1432A
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