IBM 6500-V15 Maintenance Manual - Page 53
Twinax Multi-Platform Interface Feature Installation and, Operation Guide, Stop Bits, Parity
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Operator Panel Message 024 SERIAL PARITY ERROR 025 FRAMING ERROR VERIFY CONFIGURATION 026 HEX DUMP MODE 027 COMMUNICATIONS CHECK CALL SYSTEM OPERATOR Display Messages Table 3. Message List Explanation Corrective Action The printed output may contain random ? (question mark) characters. The printed output may contain random ! (exclamation point) characters. Printer attach status message. Enable poll timeout. The printer was not enabled for one minute over a coax interface 1. Make a configuration printout. Verify that the printer matches host serial configuration settings for Data Protocol, Baud Rate, Data Bits, Stop Bits, Parity, Data Terminal Ready, and Request to Send. Set printer serial interface parameters to match those of the host. 2. Send a print job to the printer. If the message appears, replace the serial data cable. 3. Send a print job to the printer. If the message appears, go to Communications Failures, page 211. 4. If the printer is in a twinax environment, check the error log for 024 errors and inspect the customer's cable hook-ups. Connect all communications cables correctly. 5. Send a print job to the printer. If the message appears, replace the twinax auto-termination cable ("T" connector). 6. Send a print job to the printer. If the message appears, replace the coax/twinax multi-platform interface. (Refer to the Coax/ Twinax Multi-Platform Interface Feature Installation and Operation Guide, Form Number S246-0149.) 1. Make a configuration printout. Verify that the printer matches host configuration settings for Data Protocol, Baud Rate, Data Bits, Stop Bits, Parity, Data Terminal Ready, and Request to Send. Set printer serial interface parameters to match those of the host. 2. Send a print job to the printer. If the message appears, go to Communications Failures, page 211. No action required. Power off and unplug the printer. Check data cable connection and host system. (Refer to line problem determination procedures, as recommended by the host system.) 53