Specifications

Other Features 4-9
12
When you are sure the equipment is working correctly,
reassemble the Courier.
Troubleshooting
If the Courier does not respond to MI/MIC closure, or if the
Courier fails to go back on hook when the computer or terminal
drops the Data Terminal Ready (DTR) signal, your phone
equipment probably reverses MI/MIC polarity.
You can solve this problem by reversing the modem's MI/MIC
wiring. Do this by resetting the two jumpers on the printed
circuit board.
Follow the steps from the previous section. This time, set the
jumpers as follows:
J4
J6
From
J4
J6
To
If you still have difficulty, there may be a problem with the
phone cable or with your hardware.