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VIII. TROUBLESHOOTING
Listed here are some common problems and frequent causes of
those problems. Suggestions for corrective action are given. If the
information here does not provide a solution, contact Quatech Customer
Service for technical support.
Any unauthorized repairs or modifications will void the DS-102's
warranty.
Computer will not boot up.
1. Is the DS-102 properly inserted? Remove the card and try again.
Perhaps try a different expansion slot.
2. Is the base address correctly set? Check for address conflicts with
other devices in the system. Set a different address if necessary.
3. The DS-102 may be defective. Contact Quatech Customer Service
for instructions.
Cannot communicate with other equipment.
1. Are the cable connections correct? Are the cables securely
attached?
2. Are the base address and interrupt level (IRQ) for the port correctly
set? Check for address and IRQ conflicts with other devices in the
system. Change the settings if necessary.
3. Are the DTE/DCE configuration jumpers properly set? If you are
trying to communicate with a DTE, a null-modem cable may be
required, or the DS-102 can be set for DCE output.
4. If possible, use a loopback connector to test the port. This
connector needs to connect the following sets of signals:
TxD and RxD (pins 2 and 3)
RTS and CTS (pins 7 and 8)
DCD, DTR, DSR, and RI (pins 1, 4, 6, and 9)
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Quatech
DS-102 User's Manual