52 Chapter 6
To stop the Xmit test, press Enter again; the Netopia ISDN PC
Card responds with the following:
Xmit test terminated
Warning: The IRQ may conflict with another COM port and cause
the Netopia ISDN PC Card not to respond to a simple $ test. You
may need to remove the mouse driver to diagnose the problem.
YOUR COMPUTER BECOMES LOCKED.
You may have removed the Netopia ISDN PC Card from the PC
Card slot while a communications program was running. Close all
communications programs before attempting to insert or remove
the PC Card.
D-CHANNEL AND B-CHANNEL LEDS FLASHING ALTERNATELY.
This indicates a fatal error on the Netopia ISDN PC Card. You
must remove your card and reinsert it into the card slot. If the
condition persists, contact Farallon Technical Support.
CARD NOT DETECTED IN WINDOWS 95 OR WINDOWS NT.
After selecting Netopia ISDN PC Card in Modems, type ATI0 from a
prompt and verify that the string 800-110-0x is returned. Windows
95 does not recognize all 16-bit drivers, and may assign the PC
Card to a COM port already in use by an unrecognized driver.