LXE 1280 Reference Guide

218 

Protocol Messages 

LDS Plus Reference Guide 

E-SW-LDSPLUSRG-G 

TRM 

Number of valid messages received from DOS terminals. This counter does not 
include acknowledges. Currently returned as all zeros. 

TRA 

Number of acknowledges sent to the DOS terminals. Currently returned as all 
zeros. 

RTA 

Number of acknowledges received from DOS terminals for Computer Did Not 
Answer tokens. Currently returned as all zeros. 

UTA 

Total time that the transmitter has been on the air. 

Always returned as zeros. 

UCA 

Total time that an RF carrier is observed present. 

Always returned as zeros. 

UART hardware error message. When a UART hardware error is detecteted in a message from 
the host, a Ux message is sent to the host computer and then the message is cleared. The host 
computer should repeat the message. 

Possible values for x: 

for x 

Error 

Error 

Error 

1 no  no 

yes 

2 no yes 

no 

3 no yes 

yes 

4 yes  no no 

5 yes  no 

yes 

6 yes yes 

no 

7 yes yes 

yes