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5-5
5
Connect
ing
Checking for RS-232 serial support
Although not as fast (maximum data transfer rate of 115 kb per second), an RS-
232 serial connection is supported by the vast majority of computers. The serial
port option is available on WINDOWS 95, WINDOWS 98, and WINDOWS NT
4.0 Operating Systems.
RS-232 connectors are the standard ports located on the back of the computer.
They are usually labeled A and B.
To determine if your computer supports an RS-232 serial connection
(WINDOWS 95, WINDOWS 98):
1
Right-click the My Computer icon.
2
Click on Properties in the pop-up menu.
3
Click the Device Manager tab.
4
Double-click on the Ports device in the displayed list.
5
Verify that there is at least one Communication Port.
If at least one Communications Port is present, your computer supports an
RS-232 Serial connection.
To determine if your computer supports an RS-232 serial connection
(WINDOWS NT 4.0):
1
Click Start
➔
Settings
➔
Control Panel
2
Click on Ports.
3
Click the Device Manager tab.
4
Verify that there is at least one Communication Port.
If at least one Communication Port is present, your computer supports an
RS-232 Serial connection.