VoltPAQ X2 & X4 User Manual
If you are using a Q8-USB (version 2 or earlier), ensure that you are using the Split 16-pin
ribbon cable to connect to your amplifier. Connect the end marked Q8-USB DIGITAL IN to
the digital input channel of the Q8-USB. Connect the end marked Q8-USB DIGITAL OUT
to the digital output channel of the Q8-USB. Finally, connect the free end to the VoltPAQ-
X2/X4.
To enable the VoltPAQ-X2/X4 using a Q8-USB (version 2 or earlier), write a logic 1 to the
respective digital output channels 0-3. For example, writing a logic 1 to digital output 0 will
enable amplifier channel 0. Writing a logic 0 to digital output 2 will disable amplifier
channel 2.
To read the status of the VoltPAQ-X2/X4 amplifier channels when using a Q8-USB
(version 2 or earlier), you must read digital input channels 0-3. For example, reading a logic
1 on digital input 0 means amplifier channel 0 is enabled. Reading a logic 0 on channel 2
means amplifier channel 2 is faulted/disabled.
7. Fuses
If you find your unit does not output on either the positive or negative output, or otherwise
stops functioning, check the fuses located at the back of the unit.
Document Number: 903
Revision: 1.5
Page: 8
Figure 8: Backside of VoltPAQ-X2 has 2 fuses.
Summary of Contents for VoltPAQ-X2
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