Property Management System - Communication Interface

PMS Line Failure Printouts

 

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

Figure B-5 Port State

NDA-30115 Revision 1.0

Page B-3

Page 107
Image 107
NEC NDA-30115-001 PKG not Ready, DR OFF/TX not RDY, Sinq STOP/S-120, Line SUP. Timeout, RCV Sequence ERR, Sinq TO/120 Down