Quatech Asynchronous Communications Adapter for PCI bus DSCLP/SSCLP-100 Manuale Utente Pagina 47
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10 Troubleshooting
Listed here are some common problems and frequent causes of those
problems. If the information here does not provide a solution, contact Quatech
technical support.
Any unauthorized repairs or modifications will void the
DSCLP-200/300's
warranty.
Computer will not boot up.
1. Is the DSCLP-200/300 properly inserted? Remove the card and try again.
Perhaps try a different expansion slot.
2. Ensure that an ISA-bus card is not using the same IRQ that the PCI BIOS
tries to assign to the DSCLP-200/300. Most computers have BIOS setup
options to reserve IRQs for either ISA or PCI use. Try reserving the IRQ
for the ISA card. The BIOS will automatically choose a different IRQ for
the DSCLP-200/300. An address conflict is unlikely because most
PCI-based computers will assign I/O addresses in such a way that they
cannot conflict with ISA-bus devices.
3. The DSCLP-200/300 may be defective. Contact technical support for
instructions.
Cannot communicate with other equipment.
1. Are the cable connections correct? Are the cables securely attached?
2. Is the software configured with the correct base address and IRQ
information for the DSCLP-200/300? (This is mainly a DOS issue.)
3. Is the device driver installed?
4. If you are trying to communicate with another DTE, a null-modem cable
will be required.
5. If possible, use a loopback connector to test the port.
Loop-back TxD+ and RxD+ (pins 2 and 4)
Loop-back TxD- and RxD- (pins 7 and 8)
Loop-back AuxOut+ and AuxIn+ (pins 1 and 5)
Loop-back AuxOut- and AuxIn- (pins 6 and 9)
DSCLP/SSCLP-200/300 User's Manual 47
- DSCLP/SSCLP-200/300 1
- User's Manual 1
- Declaration of Conformity 4
- 10 Troubleshooting 6
- 1 General Information 8
- 2 Hardware Configuration 9
- 2.2 Signal Connections 10
- 3 Hardware Installation 15
- 4.3 Interrupt Status Register 17
- 4.5 Options Register 19
- 4.5.2 Clock Rate Multiplier 20
- 5 Windows Configurations 21
- 5.2 Windows 2000 22
- 5.3 Windows 98 23
- 5.4 Windows 95 25
- 5.5 Windows NT 26
- 6 Other Operating Systems 35
- 6.2.1 QTPCI.EXE 36
- 7 External Connections 38
- 7.1 RTS/CTS Handshake 39
- 7.2 RCLK 39
- 7.3 TCLK 40
- 7.4 AUXIN/AUXOUT Loopback 40
- Jumpers J14-16 42
- 7.6 Termination Resistors 43
- D-9 connector 44
- 8 PCI Resource Map 45
- 9 Specifications 46
- 10 Troubleshooting 47
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