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Connecting to the PC
•
Locate your computer within 6 feet of the Si5580.
•
Your Si5580 was shipped with a black adapter plug. It has a telephone style jack at one end and a
larger 9 pin connector at the other. Plug the large end into the COM1 serial port of your PC. Secure
the adapter with the screws on the sides. If the COM1 port on your PC is already used by something
else, you may use the COM2 port for the Si5580. On some PCs, COM2 will have a 25 pin connector
that does not fit the black adapter plug. If this is the case, and you must use COM2, you may have to
purchase a 25 to 9 pin serial adapter at your local computer store.
•
Your Si5580 was also shipped with a 7 foot telephone line cord. Plug one end into the adapter we
just attached to your PC, and the other end into the PC/MMI jack on your Si5580.
Never connect the Si5580 to a telephone circuit. It uses the same connec-
tors and cords as telephones and modems, but the voltages are not compat-
ible.
Programming Note: Always apply power to the Si5580 after the Si Programmer
TM
software is running
on your PC.
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