IBM 5155 Manual To Operations page 50

5
Check the wall outlet by plugging in a working
lamp.
Outlet O.K.
6
Disconnect and connect each cable on the
system unit (and expansion unit,
if
attached) to
ensure correct electrical connection.
7
Plug the system unit's (and expansion unit's)
power cord into the wall outlet.
20-2 Start
January 1984