The PXIe-1092 has a system expansion slot in slot 10 called the peripheral expansion slot. This has a black connector to the backplane of the chassis, which is different from the other slots.
This slot is to allow extra space in the chassis for multiple-slot modules to be placed in slot 9, for example:
Collaborate with other users in our discussion forums
A valid service agreement may be required, and support options vary by country.