INTERNAL MODEM INSTALLATION WITH WINDOWS 3.X13TIP: Grasp the jumper shunts witha tweezers or needle-nosed pliers. DONOT grasp too firmly, as you may crushthe jumper shunts. If a jumper shuntseems stuck, gently rock it back andforth as you lift. Do not touch any otherpart of the modem or your computerwith the tweezers/pliers. A jumpershunt needs to be sitting on bothjumper pins in order to effectively setthe modem to the desired setting.4. Move the jumper shunt to the new setting.• The COM port setting can involve oneto three shunts. The four possible COMport settings are as follows:0 1 SELCOM 10 1 SELCOM 30 1 SELCOM 40 1 SELCOM 2• Unlike most COM port settings, theIRQ setting involves only one jumpershunt. Simply move the jumper shunt tothe pins labeled with the IRQ you need.
