Specific Instructions
1 Study the figure below and become familiar with
the Binary Synchronous Communications (BSC)
Adapter. The "primary" and "alternate" modes
are determined
by
the position of the jumper
clip. Installing the jumper
on
pins 2 and 4
r",
selects the "primary" BSC adapter mode.
Installing the jumper clip on pins 1 and 3 selects
the "alternate" BSC adapter mode.
Install the jumper clip
on
the pins you have
selected.
Connectors
P1
and
P2
must
"Primary
BSC
have
jumpers
as
shown
for
Adapter"
jumper
"Alternate
BSC
correct
operation
of
the
position
Adapter"
jumper
adapter.
position
P3
P3
P1
25
Pin
Connector
~
a
~
rn
rn
[] I
II
0
nnnnn
DuD
2 BSC
January
1984
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