1SwissMicros • Serial connection
SwissMicros
Serial connection
You can connect your SwissMicros calculator to your
computer using an USB (mini B) cable. A terminal
emulation utility on the computer side is used to talk to
the calculator. Here we cover how to establish proper
serial connection between a SwissMicros calculator and a
computer. Note that OS X has a built-in terminal emulation
utility called « screen » which does the job very well.
Setting up serial connection in OS X
1. install Silicon Labs USB Driver (download link)
2. connect calculator to computer with USB cable
3. open Terminal
4. check presence of calculator’s serial port by listing it ;
to do this, enter the following in Terminal :
ls /dev/tty.S*
5. Terminal should return :
tty.SLAB_USBtoUART
6. congure the line and start monitoring serial data in
Terminal by entering :
screen tty.SLAB_USBtoUART 38400,8n1
7. the monitor window opens ; it’s completely blank
when it starts
Setting up serial connection in Windows
1. install Silicon Labs USB Driver (download link)
2. download PuTTY (download link)
3. connect calculator to computer with USB cable
4. open Device Manager and nd the line name given to
the calculator’s serial controller (here : « COM3 »)
5. start PuTTY, go to Session
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and select Serial in the
panel on the right ; go to Connection
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Serial
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and congure the serial line using these values :
• Serial line to connect to : name found at step 4
• Speed : 38400
the rest should be left to default (check image below)
6. click Open to start monitoring serial data
7. the monitor window opens ; it’s completely blank
when it starts
DM-15L DM-15
DM-16L DM-16
DM-41L DM-41
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