ST3330 User Manual
16
VER
“02”
Protocol Version
SVR_TYPE
‘T’ / ‘U’
Server Protocol Type
T : TCP
U : UDP
B_SVR_TYPE
‘T’ / ‘U’
Backup Server Protocol Type
T : TCP
U : UDP
UDP_ACK
‘0’ ~ ‘3’
ACK from Server when UPD is used.
0 : No use
1 : ACK when the server receives reports except alive.
2 : ACK when the server receives reports except STT
and alive report.
3 : ACK when the server receives emergency report.
Command response doesn’t need ACK.
DEV_PORT
String
Device’s port for receiving command from UDP server.
It can be used only when UDP server is used.
If ‘0’ or empty, the device would use port 9000.
If not zero, the device can receive commands with port
DEV_PORT.
Reserved
‘0’
Reserved
‘0’
Reserved
‘0’
Reserved
‘0’
Reserved
‘0’
Reserved
‘0’
<example>
[command] ST3330ADP;850000;02;U;T;2;9000;0;0;0;0;0;0
[response] ST3330ADP;Res;850000;022;U;T;2;9000;0;0;0;0;0;0
<notes>
This command can be applied from software version 22.
ACK in case of UDP
UDP is protocol that doesn’t check whether the data is transmitted successfully. So, the device checks
completion of sending with ACK depending on UDP_ACK type.
ACK is sent by server when the data is received.
If the ACK is not sent during more than 2 minutes after sending, the device recognizes the data was not
