Vector Graphic Bitstreamer II User Manual - page 32
If you are usi~
a terminal \.vhichrequires handshaking over and above the
+12
VDC
supplied
on lines
5, 6, and 8, or
if you are using
a modem
or
coupler 'Nhich requires any handshaking at all, that is, requires more than a
three
line
connection
(lines
2, 3 and 7),
then continue
reading
this
section.
Table
3 lists
all
25 RS-232C
lines
by name,
number,
and
source, and
indicates ~~at subset of these are connected to the Bitstreamer II board via
the Bi tstreamer
II Serial I/O cable.
For this subset, the table specifies
each line's pin number on the l6-pin
socket
connected
to the end of the
Bitstreamer
II
Serial
I/O
cable.
The table also lists those lines which are
connected to components or jumper pads, in the factory configuration
of the
board,
and what
they
are connected
to.
"825l-n" means it is connected to
pin "n
lt
of an 8251.
ItH,I,J-n"
means it is connected
to pad
"n" in jumper
Areas
H, I, or J, depending on ~1ich channel you are concerned with.
(Area
H is for Serial
Channel
C, Area
I for Serial
Channel
S, and Area
J
for
Serial
Channel
A.)
+12 means
the line
is connected
to +12 VDC
in the
factory configuration.
"GND" indicates the line is connnected to Ground
in
the factory
configuration.
This table applies equally to all three serial
channels.