IBM 5155 Manual To Operations page 52

10
If
you do not have a mM Cluster Adapter,
continue with "Power-On Self Test" (POST) on
the following page.
11
If
you have an mM Cluster Adapter, it came
.~
with a terminating plug. Disconnect the coaxial
cable at the Cluster Adapter's connector.
12
Refer to the figure below and install the
terminating plug (mM part number 6320352)
on the Cluster Adapter's connector.
Continue with "Power-On Self Test" (POST)
on the following page.
Terminating
Plug
20-4 Start
January 1984