Advantech UNO-137 V2 User Manual page 26

3. Install and secure the iDoor module with the provided screws from Step 2.
4. Extension Kit Installation:
(1) Connect the mPCIe connector of the iDoor module onto the board of the
UNO-137 V2, and fix it with the M2x4L screw from the accessory bag of the
UNO-137 V2.
(2) Attach the iDoor extension kit onto the UNO-137 V2 with 5 x M3x4L screws
from its accessory bag.
UNO-137 V2 User Manual 12