PXI-1000B AC Power Supply Shuttle Installation Guide
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If the voltages fall within the specified ranges, the chassis complies
with the CompactPCI voltage limit specifications. Notice that the
rear-panel D-sub connector is for checking voltages only. Do not
use these voltages to supply power to external devices.
Remote Power Monitoring and Inhibiting Interface
The PXI-1000B AC power supply shuttle supports remote power
monitoring and inhibiting via a 9-pin D-sub connector on the rear panel.
Table 3 shows the pinout of the DB-9 connector.
Table 2.
Power Supply Voltages at Power Monitoring Connector (DB-9)
Pin
Supply
Acceptable Voltage
Range
2
+5 V
4.75 to 5.25 V
4
+3.3 V
3.135 to 3.465 V
6
+12 V
11.4 to 12.6 V
8
12 V
12.6 to 11.4 V
1, 9
Logic Ground
N/A
Table 3.
DB-9 Connector Pinout
DB-9 Pin
Signal
1
Logic Ground
2
+5 V
3
Inhibit Return (DC-capable supply only)
4
+3.3 V
5
Inhibit*
6
+12 V
7
Reserved
8
–12 V
9
Logic Ground
5
4
3
2
1
9
8
7
6
