CTEK Z4200U SkyRouter - Manual (Page 25)

2 March 2014
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In the following case, both the IP address and port number is retrieved from default Destination 1 of Outbound IP
Parameters:
ATD
In the following cases, both the IP address and port number is retrieved from the specified Destination of Outbound IP
Parameters:
ATDS=1
ATDS=2
ATDS=3
ATDS=4
Hang Up Command – The following command will disconnect a TCP connection:
ATH
Go Back To Online Mode – The following command is used when the user has escaped from data mode to command
mode. By issuing this command, the PAD will be returned to data mode
ATO
Escape sequence – When the PAD is in data mode, an escape sequence can be entered that will cause the PAD to go to
command mode. The main reason for doing this would be to then issue a Hang Up Command. The escape sequence is
the following three characters:
+++
TCP PAD COMMAND RESPONSES – The following is a summary of supported AT command responses. Responses will
always be upper case characters.
Response to a valid command
OK
Response to an invalid command
ERROR
Response when connection is established
CONNECT
Response when connection attempt fails or connection is lost
NO CARRIER
When the PAD is in AT answer mode in there is an incoming call, the following message will be displayed at a normal
ring cadence:
RING