Oh boy, this one is a doozie to explain:

[attachment=0]030PDS-2-LCIII-PDS.2p.jpg[/attachment]

Left side is facing the drives

Right side is facing the backplane

Solder side of the SuperMac PDS Adpter is down, as if it's laying on the inverted lid of the IIsi

LCIII NIC is overlaid above the Adapter with its solder side up (rotated 180 degrees from its normal . . .

. . . and the Adapter PCB would be sandwiched in between the two.