Quatech RS-422 User Manual
Also see for DSCLP-200: User manualSpecificationsUser manual
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Contents
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10 TroubleshootingListed here are some common problems and frequent causes of thoseproblems. If the information here does not provide a solution, contact Quatechtechnical 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 triesto assign to the DSCLP-200/300. Most computers have BIOS setup optionsto reserve IRQs for either ISA or PCI use. Try reserving the IRQ for the ISAcard. The BIOS will automatically choose a different IRQ for theDSCLP-200/300. An address conflict is unlikely because most PCI-basedcomputers will assign I/O addresses in such a way that they cannot conflict withISA-bus devices.3. The DSCLP-200/300 may be defective. Contact technical support forinstructions.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 informationfor 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 berequired.5. If possible, use a loopback connector to test the port.34 DSCLP/SSCLP-200/300 User's Manual |
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