N3GS003 3G Serial Modem
YML886 draft 0.2
16
www.netcomm.com.au
5.3 Status Register
The following table lists all Status Register and their default value.
Reg
Description
Range
Default
Units
0
Set the number of rings before answer
Value of 0 disable auto-answering
0-255
000
rings
3
Set command line termination character
0-127
013 (CR)
ASCII
4
Set response formatting character
0-127
010 (LF)
ASCII
5
Set command line editing character
0-127
008 (BS)
ASCII
6
Set length of pause time before dialing
0-255
002
seconds
7
Set wait time for connection
1-255
050
seconds
8
Set length of comma pause
0-255
002
seconds
10
Set carrier detection and carrier loss delay
1-255
014
0.1s
5.4 Result Codes
The modem returns result codes when AT commands are entered. The following table lists the standard
result codes.
Code
verbose
Meaning
0
OK
Command executed without errors
1
CONNECT
Connected at any of the supported speeds
2
RING
Alerting Signal (Ring) signal received from the network
3
NO CARRIER
Carrier signal lost or not detected. Unable to activate the service
4
ERROR
Command not recognized or could not be executed. Illegal command. Error in
command line. Command line exceeds buffer size. Parameters out of range.
6
NO DIAL TONE
Dial tone not detected within timeout and subsequent commands not processed
7
BUSY
Reorder (Busy) signal detected and subsequent commands not processed.
8
NO ANSWER
Five seconds of silence not detected after ring back when “@” (quite answer) dial
modifier is used.
