USR IOT USR-DR404 - At+Tcpdpen; At+Hearten; At+Hearttp

USR-DR404 user manual www.usriot.com
Jinan USR IOT Technology Limited www.usriot.com
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AT+REGUSR=7777772E7573722E636E
4.3.4.56. AT+TCPDPEN
Function: Enable/Disable socket distribution function
Format:
Query : AT+TCPDPEN <CR>
+ok=<sta.><CR>< LF ><CR>< LF >
Setting: AT+ TCPDPEN =<on/off><CR>
+ok<CR>< LF ><CR>< LF >
Parameters:
 When querying, sta.: returns whether socket distribution function is enabled, including
 on, enabled
 off, disabled
Parameter takes affect after restarting the module.
4.3.4.57. AT+HEARTEN
Function: Enable/Disable heartbeat package function.
Format:
Query : AT+HEARTEN <CR>
+ok=<sta.><CR>< LF ><CR>< LF >
Setting: AT+ HEARTEN =<on/off><CR>
+ok<CR>< LF ><CR>< LF >
Parameters:
 When querying, sta.: returns whether heartbeat package is enabled. including
 on, heartbeat package function is enabled
 off, heartbeat package function is disabled
Parameter takes affect after restarting the module.
4.3.4.58. AT+HEARTTP
Function: Query/Set heartbeat package sending type.
Format:
Query : AT+HEARTTP <CR>