IBM 5155 Manual To Operations page 370

Specific Instructions
1
Place the Extender Card on a flat surface with
the switch block facing up. Study the figure
below. There are two types of switch blocks:
rocker switch block and slide switch block.
Identify the type of switches on your option. Go
~
to the charts on the next page to make the
proper switch setting.
Slide
8 Expansion Unit
January 1984