2820 HD (250-3553) Mouse or other Serial Device Faxback Doc. # 1832 You can connect a serial mouse(25-2001), fax/modem (25-3532), or other serial device to your computer's built-in serial port: 1. Prepare the serial device according to its user's guide. 2. Turn off the computer. 3. Pull down the cover on the back of the computer. 4. Connect your serial cable's DB-9 connector to the SERIAL port. 5. Turn on the computer. (jej-05/10/94)