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NDA-30115 Revision 1.0 Page B-3
Property Management System - Communication Interface PMS Line Failure Printouts
Figure B-5 Port State
Table B-3 Types of Failure
Failure Type Explanation
I/O PKG NOT READY The I/O package is not mounted, or it is in the make-busy
state.
DR OFF/TX NOT RDY The data-ready has switched off during transmission. Does
not become clear-to-send during transmission.
SINQ STOP/S-120 The status inquiry message has stopped.
LINE SUP. TIMEOUT The monitor timer of the transmission supervisory program
timed out, then restarted.
RCV SEQUENCE ERR. A line control code which is invalid in reception processing
has been received.
DATA LINK NOT RDY Data-ready read has switched off.
SINQ TO/120 DOWN System connection failure has been judged five minutes
after SINQ STOP.
SND SEQUENCE ERR. A line control code which is invalid in transmission process-
ing has been received.
DTR OFF REQUESTED Request to disconnect line from the connected system has
been received.
S-120 STOP (MENT) Indicates stoppage due to request to disconnect line from the
connected system.
LINK CLOSE (MENT) Line, package, etc. have been pulled out after requesting to
disconnect line.
XX XX XX XX
I/O port status
FIFO status scan data
I/O port status scan data