LXE 1280 Reference Guide

Page of 260
Protocol Messages 
219 
E-SW-LDSPLUSRG-G 
LDS Plus Reference Guide 
?x – Error 
Error Message. The network device sends a ?x message to the host computer when there is an 
error in the last message sent from the host computer. 
Possible values for x: 
Values for x  Description 
1 Not 
implemented. 
Unexpected "R" type message was received from the host or was not received 
in the specified time limit. 
The header of a message sent from the host computer contained an illegal LXE 
type character. 
The message from the host computer contained an illegal ASCII control 
character. 
The illegal ASCII characters are 00 hex through 1F hex with the exception of 
the following characters: 
Line Feed 
 
0A hex 
Carriage Return 
 
0D hex 
DC1XON  
11 
hex 
DC3XOFF  
13 
hex 
The host should also not send 80 hex through FF hex.