Tandy 1800 HD 250-3502 Serial Device

1800 HD  (250-3502)          Adding Serial Devices      Faxback Doc. # 1874

External:

You can connect a mouse (250-2001), or other serial devices to your
computer's built-in serial port.

1. Prepare the serial device according to its user's guide.

2. Turn off your computer.

3. Pull down the hinged cover on the back of the computer, to open the
   serial/parallel port compartment.

Back of Computer
+---------------\---------------------------------------------------------+
|                                        +-------+ +-----------------+    |
|                                        |       | |                 |    |
|                                        +--/----+ +---\-------------+    |
+------------------------------------------/------------\-----------------+
                                        Serial Port    Parallel Port

4. Connect the serial cable's DB-9 connector to the connector in the port
   compartment labeled SERIAL.

5. Turn on the computer.

Internal:

You can install a special 2400-Baud Internal Modem (250-3525) or a 9600
FAX/2400 Modem (250-3532) in your computer.

Note: Refer to the modem or fax/modem manual for installation instructions.

CAUTION: Before you install or remove a modem, turn off your computer and
disconnect the AC adapter. Installing or removing a modem with the power
turned on could damage the modem and your computer.


(smm 08/06/93)