4
Installation
When
you're
ready
to connect
the
TRS-80
to
the
RS-232-C
jack
on
your
Computer
, follow
the
procedure described below.
For
specific
information
on connecting
and
using
the
RS-232-C
interface, see
your
Computer's
owner's
manual.
Important
Note
for Model I users: Before a
TRS-80
Model I
can
be
used
as
an
AUXILIARY
COMPUTER,
the
COMM/TERM Switch
on
the
RS-232-C
board
must
be
set
to
TERM. See
the
RS-232-C
owner's
manual
for specific instructions.
(If
a Model I is
used
as
a
CENTRAL
COMPUTER
,
the
COMM
/
TERM
switch
can
be
set
to
either
COMM
or
TERM.
)
If
your
AUXILIARY
COMPUTER
is a Model II,
connect
the
cable to
CHANNEL
A.
Be
sure
to
attach
the
TERMINATOR
PLUG
to
CHANNEL
B.
1.
Attach
one
end
of
the
Controller-to-Central
cable to
the
Network
3 Controller
jack
labeled
CENTRAL.
2.
Attach
the
other
end
of
the
Controller-to-Central cable to
the
RS-232-C
jack
on
the
CENTRAL
COMPUTER.
3.
Attach
one
end
of
the
Controller-to-Auxiliary cable to
the
jack
labeled
AUXILIARY
1 (
Auxiliary
Station
#1
) on
the
Controller.
4.
Attach
the
other
end
of
the
Controller-to-Auxiliary cable to
the
RS-232-C
jack
on
the
AUXILIARY
COMPUTER
specified
as
Auxiliary
# 1.
5.
Continue
connecting
Controller-to-Auxiliary cables one
at
a
time
- first to
the
Controller
,
then
to
the
AUXILIARY
COMPUTERS
.
6. Connect
the
Net
w
ork
Controller Power
Supply
by
inserting
the
round
Power
Supply
Plug
into
the
jack
labeled POWER
on
the
back of
the
Controller.
Plug
the
other
end
of
the
Power
Supply into a wall
outlet.
Warning!
Do
not
attempt
to
make
connec
tion
s to
th
e Network 3 Controller
with
cables
other
than
those supplied. Use only
the
supplied UL-listed
AC
adaptor.
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