DCP Series Telcon Message Manual - Public Support Login - Unisys

Event 1 HARDWARE LINE ERROR (NOT A PP STATE ITEM)
NTRLPH
Description: This event occurs when line module/CLC detects a hardware error.
The supplemental message tells what type of error was detected. Except for the MAX
OUTPUT RETRIES case, these errors are considered to be recoverable. If any of
these errors start to occur quite often, the cause should be investigated and corrected.
Other information logged:
R8: Status flags (from SDT)
R9: NAK–1 detail code
01 Message too long
02 Message too short
03 Input message time-out
04 Message-number sequence error
05 Response-timeout (idle-site handshake)
07 Parity/LRC error
08 1st character not OSH or G
R13:
0A Input overrun/output underrun
0C No buffer for input
0D Too many inputs without acknowledging outstanding output
0E Wrong FDX/HDX sign-on for line configuration
Least significant byte of transfer count 44
R14: PPID
No other information is logged. Telcon generates this CENLOG.
TTYLPH
Description: This event occurs when the line module detects an error. The
supplemental message with this logged event indicates whether the error was on
output or input. A high frequency of these events indicates a problem (hardware,
configuration, or device) that should be corrected. These are considered to be
recoverable errors. Other information logged:
R7: MCT status bits from IOP
R8: Transfer-count (from last SDT to/from this message)
R14: Line-ID
R15: Status flags (from SDT). For more information about UNISCOPE line errors
using Class 15, refer to Section 1 of this manual.
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