MITSUBISHI ELECTRONICS AMERICA, INC.
ST200 Series Technical Support Manual
105
January 2000
Communication Software Application Information
Using a Windows 95 Computer
This procedure is for configuring a Windows 95 computer to use MSAT Switched Data service,
when using a Mitsubishi MT. This procedure assumes that you are using a standard
communications utility such as Hyperterminal or ProComm that is compatible with Windows 95.
1. Connect the computer to the CTU
1.
POWER OFF the computer AND the satellite phone.
2.
Connect an RS-232 serial cable (25 pin male) to the data port on the CTU. Connect the other
end to a COM port on the computer.
NOTE: The CTU acts as the modem. It is not necessary to have a modem installed on the
computer.
3.
Power on the computer and the satellite phone.
2. Install a new modem in Windows 95
1.
NOTE: The “new modem” that you will be installing in Windows 95 is simply a set of
configuration parameters that will apply to the transceiver. Again, you will NOT be using a
physical modem on the computer.
2.
Open “Control Panel”, double-click “Modems”.
3.
“Install New Modem” dialog: Select other, click “Next”.
4.
Check the box “Don’t detect my modem” and click “Next”.
5.
Select Standard Modem Types, Standard 9600 bps modem. Click “Next”.
6.
Select the COMx port that the RS-232 serial cable is connected to (COM1 or COM2). Click
“Next”.
NOTE: The CTU must have exclusive use of the COMx port. If you have a modem in your
computer, ensure that it is not using this COMx port.
7.
Setup confirmation will be displayed, click “Finish”.
8.
Modem Properties dialog appears.
3. Configure the new modem
1.
In the Modem Properties dialog: with the Standard 9600 bps Modem selected, click
“Properties”.
2.
General tab: COM port should match the port being used for the serial cable that connects the
computer to the Mitsubishi satellite phone transceiver.
3.
General tab: Set Maximum Speed to
4800
.
4.
Connection tab: Data bits =
8
, Parity =
None
, Stop bits =
1
. Click “Advanced”...
5.
Advanced Connection box: Check the box “Use flow control” and set to Software
(XON/XOFF).
6.
Click “OK” to close Advanced Connection box. Click “Port Settings”…
7.
Advanced Port Settings box: check “Use FIFO buffers.”
8.
Set both Transmit and Receive buffer sliders to second notch from left. Click “OK”.
