IBM 3180 1 User Manual page 16

IB
Make sure the lever on the bottom of the logic element
is turned to the open position.
I'M >>
ill.. ..I !.l
Closed
CAUTION
When performing the following step, do not touch anything on
the inside of the logic element except the tape.
Remove the aluminum foil from the logic element; then remove
the tape from the connector.
Aluminum
Taoe ©J Foil
Fconnectoo