National Instruments NI PXIe-1075 - Manual (Page 41)

Chapter 3 Maintenance
NI PXIe-1075 User Manual 3-4 ni.com
Before connecting the power supply shuttle to a power source, read this
section and the Read Me First: Safety and Radio-Frequency Interference
document included with the kit.
Removal
The NI PXIe-1075 AC power supply shuttle is a replacement part for the
NI PXIe-1075 AC chassis. Before attempting to replace the power supply
shuttle, verify that there is adequate clearance behind the chassis.
Disconnect the power cable from the power supply shuttle on the back of
the chassis. Identify the ten mounting screws for the NI PXIe-1075 that
attach the power supply shuttle to the chassis. Refer to Figure 1-2,
Rear
View of the NI PXIe-1075 Chassis , for the screw locations. Using a Phillips
screwdriver, remove the screws. Pull on the two rear handles of the power
supply shuttle to remove it from the back of the chassis.
Installation
Ensure that there is no visible damage to the new power supply shuttle.
Verify that the housing and connector on the new power supply shuttle
have no foreign material inside. Remove the protective cap on the
PXI_CLK10 connector. Install the new power supply shuttle into the
opening on the rear of the chassis. Replace and tighten the ten screws with
a Phillips screwdriver.
Configuration
The fan-speed selector switch is on the rear panel of the power supply
shuttle. Refer to Figure 1-2,
Rear View of the NI PXIe-1075 Chassis ,
to locate the fan-speed selector. Select High for maximum cooling
performance (recommended) or Auto for quieter operation. Set the Inhibit
Mode switch to the Default position.
Connecting Safety Ground
Refer to the Connecting Safety Ground section of Chapter 2, Installation
and Configuration .
Connecting to Power Source
Refer to the Connecting to Power Source section of Chapter 2, Installation
and Configuration .