DIP Switches and Jumpers 7-5
To change jumper settings, use tweezers or needle-nosed pliers and gently
rock the jumper back and forth as you lift.
Note: Do not grasp the shunts too firmly. If you grasp them too firmly,
you may crush the shunt or damage the modem.
Figure 8.6 Jumper Blocks Without Shunts
Figure 8.7 Shunt
Setting Jumpers for a Specific COM Port
You can put shunts on the COM port jumper block to configure the
desired COM port:
To set your modem to To set the jumpers to
COM 1
COM 2
COM 3
COM 4