Radio Shack TRS-80 Modem II - Page 13

Connecting the
Power Supply
to
the Modem
II
Insert the AC adapter into
the AC
Power jack on the
back of the
modem. Plug the adapter into an
electrical wall outlet.
Use the
supplied,
UL-listed adapter only.
The use of any
other adapter
could damage the
modem.
Connecting the
Computer to
the
Modem II
The Computer you
connect to the
Modem II must
have RS-232-C
capabilities.
Table 1 summarizes
the cable and
connection
requirements for
RS-232-C equipped TRS-80's.
Table 2
provides quick
instructions on RS-232-C
connection
points on TRS-80
computers. For
more detailed
instructions, see
your Computer's
owner's
manual.
Modem-to-Computer
Cables
TRS-80
Cable
Catalog
#
Model
I
Model 11/16
Model lll/DT-1
Color
Computer
26-1145*
26-4403
26-1408
26-3014
Table 1
*The
Model I RS-232-C
cable is supplied
with the RS-232-C
Interface
Board
(26-1
145).
See
your Radio Shack
Computer
Center for
details.
Computer RS-232-C
Location
TRS-80
Location
Model
I
Model ll'16
Model
III DT-1
Color Computer
Front
of the
Expansion Interface
Rear of the
Computer
Underneath the
Computer
Rear of the Computer
Table 2
To connect the
Modem II to the
Computer:
1
.
Be sure the Computer and
modem's
power are OFF.
2. Plug the appropriate end of
the connecting
cable into the
modem's RS-232
jack.
3. Plug
the
other end of the cable
into the
Computer's RS-232-C
jack.
4. Power
up the
System as described in
your
Computer's
owner's manual.