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MSC-400 Reference Manual
Rev 4
78
How to use HyperTerminal
You’ll need a DB9 to DB9 cable that is female on one side (to match your computer)
and male or female on the other side (to match the device you are communicating to).
The manufacturer of the device you are trying to control will state in their RS-232
documentation whether you need a null modem or straight through cable. Connect your
computer to the device with this cable and start typing in commands. Keep in mind:
1. It is not usually necessary to hit the
ENTER
key to execute those
commands.
2. Any responses from the device will appear in HyperTerminal. The
documentation you receive from the device manufacturer will explain how
to interpret those responses.
Tips and Tricks
•
HyperTerminal is an instant connection to the devices you are controlling.
Because of this it is possible that the program will sometimes send commands
too slowly to the device. In our testing with a Denon receiver, we discovered that
we couldn’t type commands fast enough for the receiver to understand them. To
fix this we instead typed the commands into Word Pad (another free program
included with Windows) and then used the Cut and Paste feature to insert them
into HyperTerminal. To do this you open Word Pad, type in the command, then
hit <Ctrl> V to copy the command. Then use <Ctrl> to paste the commands into
HyperTerminal. This causes the info to instantly be sent to the device and
eliminates any timing issue in your test commands.
•
You can take one of the RS-232 output ports from the MSC-400 and plug that
directly into your computer. This will allow you to see exactly what message the
MSC-400 is sending to a device and verify that it is what you intended to happen.
Just plug the MSC-400 RS-232 control cable into the output for a given RS-232
controlled device and plug the other end into the serial port on your computer.
Launch HyperTerminal and con it to match the communication requirements of
the controlled device (usually 9600, 8, N, 1). Pick up the hand-held remote that
you’ve programmed and push a few buttons for the RS-232 controlled device.
HyperTerminal will display exactly what the MSC-400 sends out and you can
now compare that to the information you programmed into it. This is a great way
to troubleshoot installations where you suspect that you have a bad RS-232
cable or (rarely) a defective MSC-400.
Содержание MSC-400
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