Learn how DIP switches control fan and inhibit modes on the PXIe-1081 chassis.

The PXIe-1081 backplane includes a DIP switch unit that controls fan and inhibit modes. Looking at the front panel of the chassis, the DIP switch unit is located on the left side of the backplane. Refer to Front Panel for exact placement.

DIP Switch Overview

Figure 18. PXIe-1081 Backplane DIP Switches

Image of a DIP switch unit with two vertically arranged sliding switches. Arrows and callouts identify the right switch as 'Switch 1 (Fan)' and the left switch as 'Switch 2 (Power).' The bottom of the unit is marked with 'ON' to indicate the switch positions.

  1. Switch 1 (Fan)
  2. Switch 2 (Power)
Table 7. Switch Functions
Label State Description
1 Off (Up) Set chassis fan mode to Auto.
1 On (Down) Set chassis fan mode to High.
2 Off (Up) Set chassis inhibit mode to Default.
2 On (Down) Set chassis inhibit mode to Manual.

Use Hardware Configuration Utility or MAX to set inhibit mode when DIP switch 2 in the Default (Off) position. If you set DIP switch 2 to Manual (On), the chassis ignores software settings. Refer to Configure Inhibit Mode in Hardware Configuration Utility or MAX for more information.