IBM System/36 Maintenance Information Manual page 27

Feature 1/0 Bus Attachment Overview
Feature BUS
Processor Card
Feature lOP
II
Communications
Card 1
B
, Communications
~
Card 2
B
Local Area
II
Network Card 1
Local Area
II
Network Card 2
Tape Adapter
Card
R36Bl40-3
II
B
II
This card is required in order
to add any of these
1/0
features.
Communication features include the following:
a. IBM Realtime Interface Co-Processor
b. SOLC
c.BSC
d.ASYNC
e.
X.25
Local Area Network is IBM Token Ring.
Section 2. Overviews and Locations Procedures
2-5