RECVFROM crashes Serial LTE Modem Application

Question

This is very reproducible...after sending and receiving data in a loop, the modem application becomes unresponsive. Only modification from SDK software is that I am using UART2 The below (note the time) is when the modem becomes unresponsive. See attached HTML for full log. Fullscreen nrf9160_send_receive.html Download COM18

[03/04/2021 20:18:59] Written data (COM18)
	41 54 2b 43 46 55 4e 3f 0d 0a AT+CFUN?..
[03/04/2021 20:19:00] Read data (COM18)
	0d 0a 2b 43 46 55 4e 3a 20 30 0d 0a 0d 0a 4f 4b ..+CFUN: 0....OK
	0d 0a ..
[03/04/2021 20:19:00] Written data (COM18)
	41 54 2b 43 46 55 4e 3d 31 0d 0a AT+CFUN=1..
[03/04/2021 20:19:00] Read data (COM18)
	0d 0a 4f 4b 0d 0a ..OK..
[03/04/2021 20:19:01] Written data (COM18)
	41 54 2b 43 50 49 4e 3f 0d 0a AT+CPIN?..
[03/04/2021 20:19:01] Read data (COM18)
	0d 0a 45 52 52 4f 52 0d 0a ..ERROR..
[03/04/2021 20:19:06] Written data (COM18)
	41 54 2b 43 50 49 4e 3f 0d 0a AT+CPIN?..
[03/04/2021 20:19:06] Read data (COM18)
	0d 0a 2b 43 50 49 4e 3a 20 52 45 41 44 59 0d 0a ..+CPIN: READY..
	0d 0a 4f 4b 0d 0a ..OK..
[03/04/2021 20:19:06] Written data (COM18)
	41 54 2b 43 4f 50 53 3f 0d 0a AT+COPS?..
[03/04/2021 20:19:06] Read data (COM18)
	0d 0a 2b 43 4f 50 53 3a 20 30 0d 0a 0d 0a 4f 4b ..+COPS: 0....OK
	0d 0a ..
[03/04/2021 20:19:07] Written data (COM18)
	41 54 2b 43 45 52 45 47 3f 0d 0a AT+CEREG?..
[03/04/2021 20:19:07] Read data (COM18)
	0d 0a 2b 43 45 52 45 47 3a 20 30 2c 34 2c 22 46 ..+CEREG: 0,4,"F
	46 46 45 22 2c 22 46 46 46 46 46 46 46 46 22 2c FFE","FFFFFFFF",
	37 0d 0a 0d 0a 4f 4b 0d 0a 7....OK..
[03/04/2021 20:19:11] Written data (COM18)
	41 54 2b 43 45 52 45 47 3f 0d 0a AT+CEREG?..
[03/04/2021 20:19:12] Read data (COM18)
	0d 0a 2b 43 45 52 45 47 3a 20 30 2c 34 2c 22 46 ..+CEREG: 0,4,"F
	46 46 45 22 2c 22 46 46 46 46 46 46 46 46 22 2c FFE","FFFFFFFF",
	37 0d 0a 0d 0a 4f 4b 0d 0a 7....OK..
[03/04/2021 20:19:15] Written data (COM18)
	41 54 2b 43 46 55 4e 3f 0d 0a AT+CFUN?..
[03/04/2021 20:19:15] Read data (COM18)
	0d 0a 2b 43 46 55 4e 3a 20 30 0d 0a 0d 0a 4f 4b ..+CFUN: 0....OK
	0d 0a ..
[03/04/2021 20:19:16] Written data (COM18)
	41 54 2b 43 46 55 4e 3d 31 0d 0a AT+CFUN=1..
[03/04/2021 20:19:16] Read data (COM18)
	0d 0a 4f 4b 0d 0a ..OK..
[03/04/2021 20:19:17] Written data (COM18)
	41 54 2b 43 50 49 4e 3f 0d 0a AT+CPIN?..
[03/04/2021 20:19:17] Read data (COM18)
	0d 0a 45 52 52 4f 52 0d 0a ..ERROR..
[03/04/2021 20:19:21] Written data (COM18)
	41 54 2b 43 50 49 4e 3f 0d 0a AT+CPIN?..
[03/04/2021 20:19:21] Read data (COM18)
	0d 0a 2b 43 50 49 4e 3a 20 52 45 41 44 59 0d 0a ..+CPIN: READY..
	0d 0a 4f 4b 0d 0a ..OK..
[03/04/2021 20:19:22] Written data (COM18)
	41 54 2b 43 4f 50 53 3f 0d 0a AT+COPS?..
[03/04/2021 20:19:22] Read data (COM18)
	0d 0a 2b 43 4f 50 53 3a 20 30 0d 0a 0d 0a 4f 4b ..+COPS: 0....OK
	0d 0a ..
[03/04/2021 20:19:22] Written data (COM18)
	41 54 2b 43 45 52 45 47 3f 0d 0a AT+CEREG?..
[03/04/2021 20:19:23] Read data (COM18)
	0d 0a 2b 43 45 52 45 47 3a 20 30 2c 32 2c 22 33 ..+CEREG: 0,2,"3
	42 34 32 22 2c 22 30 32 44 38 45 32 30 34 22 2c B42","02D8E204",
	37 0d 0a 0d 0a 4f 4b 0d 0a 7....OK..
[03/04/2021 20:19:27] Written data (COM18)
	41 54 2b 43 45 52 45 47 3f 0d 0a AT+CEREG?..
[03/04/2021 20:19:27] Read data (COM18)
	0d 0a 2b 43 45 52 45 47 3a 20 30 2c 35 2c 22 33 ..+CEREG: 0,5,"3
	42 34 32 22 2c 22 30 32 44 38 45 32 30 34 22 2c B42","02D8E204",
	37 0d 0a 0d 0a 4f 4b 0d 0a 7....OK..
[03/04/2021 20:19:28] Written data (COM18)
	41 54 2b 43 47 44 43 4f 4e 54 3f 0d 0a AT+CGDCONT?..
[03/04/2021 20:19:28] Read data (COM18)
	0d 0a 2b 43 47 44 43 4f 4e 54 3a 20 30 2c 22 49 ..+CGDCONT: 0,"I
	50 22 2c 22 69 62 61 73 69 73 2e 69 6f 74 22 2c P","ibasis.iot",
	22 31 30 2e 31 36 35 2e 32 32 31 2e 32 32 36 22 "10.165.221.226"
	2c 30 2c 30 0d 0a 0d 0a 4f 4b 0d 0a ,0,0....OK..
[03/04/2021 20:19:28] Written data (COM18)
	41 54 25 58 4d 4f 4e 49 54 4f 52 0d 0a AT%XMONITOR..
[03/04/2021 20:19:29] Read data (COM18)
	0d 0a 25 58 4d 4f 4e 49 54 4f 52 3a 20 35 2c 22 ..%XMONITOR: 5,"
	22 2c 22 22 2c 22 33 31 30 32 36 30 22 2c 22 33 ","","310260","3
	42 34 32 22 2c 37 2c 31 32 2c 22 30 32 44 38 45 B42",7,12,"02D8E
	32 30 34 22 2c 33 35 37 2c 35 30 33 35 2c 32 30 204",357,5035,20
	2c 31 35 2c 22 22 2c 22 31 31 31 30 30 30 30 30 ,15,"","11100000
	22 2c 22 31 31 31 30 30 30 30 30 22 2c 22 30 31 ","11100000","01
	30 30 31 30 30 31 22 0d 0a 0d 0a 4f 4b 0d 0a 001001"....OK..
[03/04/2021 20:19:31] Written data (COM18)
	41 54 23 58 53 4f 43 4b 45 54 3d 31 2c 32 2c 30 AT#XSOCKET=1,2,0
	0d 0a ..
[03/04/2021 20:19:31] Read data (COM18)
	23 58 53 4f 43 4b 45 54 3a 20 31 2c 32 2c 30 2c #XSOCKET: 1,2,0,
	31 37 0d 0a 0d 0a 4f 4b 0d 0a 17....OK..
[03/04/2021 20:19:31] Written data (COM18)
	41 54 23 58 53 45 4e 44 54 4f 3d 22 35 32 2e 32 AT#XSENDTO="52.2
	36 2e 31 39 31 2e 32 34 36 22 2c 33 33 33 33 2c 6.191.246",3333,
	30 2c 22 32 33 32 33 30 30 36 37 30 30 30 41 30 0,"23230067000A0
	41 30 38 33 30 33 32 34 34 33 38 34 35 33 32 33 A083032443845323
	30 33 34 30 32 38 32 30 30 22 0d 0a 00 034028200"...
[03/04/2021 20:19:31] Read data (COM18)
	23 58 53 45 4e 44 54 4f 3a 20 31 39 0d 0a 0d 0a #XSENDTO: 19....
	4f 4b 0d 0a OK..
[03/04/2021 20:19:32] Written data (COM18)
	41 54 23 58 52 45 43 56 46 52 4f 4d 0d 0a AT#XRECVFROM..
[03/04/2021 20:19:32] Read data (COM18)
	32 33 32 33 30 30 36 37 30 30 30 41 30 41 30 38 23230067000A0A08
	33 30 33 32 34 34 33 38 34 35 33 32 33 30 33 34 3032443845323034
	30 32 38 32 30 30 0d 0a 23 58 52 45 43 56 46 52 028200..#XRECVFR
	4f 4d 3a 20 30 2c 33 38 0d 0a 0d 0a 4f 4b 0d 0a OM: 0,38....OK..
[03/04/2021 20:19:33] Written data (COM18)
	41 54 23 58 53 4f 43 4b 45 54 3d 30 2c 32 0d 0a AT#XSOCKET=0,2..
[03/04/2021 20:19:33] Read data (COM18)
	23 58 53 4f 43 4b 45 54 3a 20 30 2c 22 63 6c 6f #XSOCKET: 0,"clo
	73 65 64 22 0d 0a 0d 0a 4f 4b 0d 0a sed"....OK..
[03/04/2021 20:19:33] Written data (COM18)
	41 54 25 58 4d 4f 4e 49 54 4f 52 0d 0a AT%XMONITOR..
[03/04/2021 20:19:34] Read data (COM18)
	0d 0a 25 58 4d 4f 4e 49 54 4f 52 3a 20 35 2c 22 ..%XMONITOR: 5,"
	22 2c 22 22 2c 22 33 31 30 32 36 30 22 2c 22 33 ","","310260","3
	42 34 32 22 2c 37 2c 31 32 2c 22 30 31 35 38 38 B42",7,12,"01588
	32 30 34 22 2c 32 31 30 2c 35 30 33 35 2c 32 36 204",210,5035,26
	2c 32 30 2c 22 22 2c 22 31 31 31 30 30 30 30 30 ,20,"","11100000
	22 2c 22 31 31 31 30 30 30 30 30 22 2c 22 30 31 ","11100000","01
	30 30 31 30 30 31 22 0d 0a 0d 0a 4f 4b 0d 0a 001001"....OK..
[03/04/2021 20:19:38] Written data (COM18)
	41 54 23 58 53 4f 43 4b 45 54 3d 31 2c 32 2c 30 AT#XSOCKET=1,2,0
	0d 0a ..
[03/04/2021 20:19:39] Read data (COM18)
	23 58 53 4f 43 4b 45 54 3a 20 31 2c 32 2c 30 2c #XSOCKET: 1,2,0,
	31 37 0d 0a 0d 0a 4f 4b 0d 0a 17....OK..
[03/04/2021 20:19:39] Written data (COM18)
	41 54 23 58 53 45 4e 44 54 4f 3d 22 35 32 2e 32 AT#XSENDTO="52.2
	36 2e 31 39 31 2e 32 34 36 22 2c 33 33 33 33 2c 6.191.246",3333,
	30 2c 22 32 33 32 33 30 30 36 37 30 30 30 41 30 0,"23230067000A0
	41 30 38 33 30 33 31 33 35 33 38 33 38 33 32 33 A083031353838323
	30 33 34 30 32 36 35 30 30 22 0d 0a 00 034026500"...
[03/04/2021 20:19:39] Read data (COM18)
	23 58 53 45 4e 44 54 4f 3a 20 31 39 0d 0a 0d 0a #XSENDTO: 19....
	4f 4b 0d 0a OK..
[03/04/2021 20:19:40] Written data (COM18)
	41 54 23 58 52 45 43 56 46 52 4f 4d 0d 0a AT#XRECVFROM..
[03/04/2021 20:19:40] Read data (COM18)
	32 33 32 33 30 30 36 37 30 30 30 41 30 41 30 38 23230067000A0A08
	33 30 33 31 33 35 33 38 33 38 33 32 33 30 33 34 3031353838323034
	30 32 36 35 30 30 0d 0a 23 58 52 45 43 56 46 52 026500..#XRECVFR
	4f 4d 3a 20 30 2c 33 38 0d 0a 0d 0a 4f 4b 0d 0a OM: 0,38....OK..
[03/04/2021 20:19:41] Written data (COM18)
	41 54 23 58 53 4f 43 4b 45 54 3d 30 2c 32 0d 0a AT#XSOCKET=0,2..
[03/04/2021 20:19:41] Read data (COM18)
	23 58 53 4f 43 4b 45 54 3a 20 30 2c 22 63 6c 6f #XSOCKET: 0,"clo
	73 65 64 22 0d 0a 0d 0a 4f 4b 0d 0a sed"....OK..
[03/04/2021 20:19:41] Written data (COM18)
	41 54 25 58 4d 4f 4e 49 54 4f 52 0d 0a AT%XMONITOR..
[03/04/2021 20:19:42] Read data (COM18)
	0d 0a 25 58 4d 4f 4e 49 54 4f 52 3a 20 35 2c 22 ..%XMONITOR: 5,"
	22 2c 22 22 2c 22 33 31 30 32 36 30 22 2c 22 33 ","","310260","3
	42 34 32 22 2c 37 2c 31 32 2c 22 30 32 44 38 45 B42",7,12,"02D8E
	32 30 34 22 2c 33 35 37 2c 35 30 33 35 2c 32 32 204",357,5035,22
	2c 31 36 2c 22 22 2c 22 31 31 31 30 30 30 30 30 ,16,"","11100000
	22 2c 22 31 31 31 30 30 30 30 30 22 2c 22 30 31 ","11100000","01
	30 30 31 30 30 31 22 0d 0a 0d 0a 4f 4b 0d 0a 001001"....OK..
[03/04/2021 20:19:46] Written data (COM18)
	41 54 23 58 53 4f 43 4b 45 54 3d 31 2c 32 2c 30 AT#XSOCKET=1,2,0
	0d 0a ..
[03/04/2021 20:19:46] Read data (COM18)
	23 58 53 4f 43 4b 45 54 3a 20 31 2c 32 2c 30 2c #XSOCKET: 1,2,0,
	31 37 0d 0a 0d 0a 4f 4b 0d 0a 17....OK..
[03/04/2021 20:19:47] Written data (COM18)
	41 54 23 58 53 45 4e 44 54 4f 3d 22 35 32 2e 32 AT#XSENDTO="52.2
	36 2e 31 39 31 2e 32 34 36 22 2c 33 33 33 33 2c 6.191.246",3333,
	30 2c 22 32 33 32 33 30 30 36 37 30 30 30 41 30 0,"23230067000A0
	41 30 38 33 30 33 32 34 34 33 38 34 35 33 32 33 A083032443845323
	30 33 34 30 32 38 32 30 30 22 0d 0a 00 034028200"...
[03/04/2021 20:19:47] Read data (COM18)
	23 58 53 45 4e 44 54 4f 3a 20 31 39 0d 0a 0d 0a #XSENDTO: 19....
	4f 4b 0d 0a OK..
[03/04/2021 20:19:47] Written data (COM18)
	41 54 23 58 52 45 43 56 46 52 4f 4d 0d 0a AT#XRECVFROM..
[03/04/2021 20:19:51] Read data (COM18)
	23 58 53 4f 43 4b 45 54 3a 20 2d 31 31 0d 0a 0d #XSOCKET: -11...
	0a 45 52 52 4f 52 0d 0a .ERROR..
[03/04/2021 20:19:52] Written data (COM18)
	41 54 25 58 4d 4f 4e 49 54 4f 52 0d 0a AT%XMONITOR..
[03/04/2021 20:19:52] Read data (COM18)
	0d 0a 25 58 4d 4f 4e 49 54 4f 52 3a 20 32 0d 0a ..%XMONITOR: 2..
	0d 0a 4f 4b 0d 0a ..OK..
[03/04/2021 20:22:19] Written data (COM18)
	41 54 2b 43 46 55 4e 3f 0d 0a AT+CFUN?..
[03/04/2021 20:22:19] Read data (COM18)
	0d 0a 2b 43 46 55 4e 3a 20 31 0d 0a 0d 0a 4f 4b ..+CFUN: 1....OK
	0d 0a ..
[03/04/2021 20:22:19] Written data (COM18)
	41 54 2b 43 50 49 4e 3f 0d 0a AT+CPIN?..
[03/04/2021 20:22:20] Read data (COM18)
	0d 0a 2b 43 50 49 4e 3a 20 52 45 41 44 59 0d 0a ..+CPIN: READY..
	0d 0a 4f 4b 0d 0a ..OK..
[03/04/2021 20:22:20] Written data (COM18)
	41 54 2b 43 4f 50 53 3f 0d 0a AT+COPS?..
[03/04/2021 20:22:20] Read data (COM18)
	0d 0a 2b 43 4f 50 53 3a 20 30 0d 0a 0d 0a 4f 4b ..+COPS: 0....OK
	0d 0a ..
[03/04/2021 20:22:21] Written data (COM18)
	41 54 2b 43 45 52 45 47 3f 0d 0a AT+CEREG?..
[03/04/2021 20:22:21] Read data (COM18)
	0d 0a 2b 43 45 52 45 47 3a 20 30 2c 34 2c 22 32 ..+CEREG: 0,4,"2
	39 30 30 22 2c 22 30 30 41 32 30 43 30 33 22 2c 900","00A20C03",
	37 0d 0a 0d 0a 4f 4b 0d 0a 7....OK..
[03/04/2021 20:22:25] Written data (COM18)
	41 54 2b 43 45 52 45 47 3f 0d 0a AT+CEREG?..
[03/04/2021 20:22:26] Read data (COM18)
	0d 0a 2b 43 45 52 45 47 3a 20 30 2c 34 2c 22 32 ..+CEREG: 0,4,"2
	39 30 30 22 2c 22 30 30 41 32 30 43 30 33 22 2c 900","00A20C03",
	37 0d 0a 0d 0a 4f 4b 0d 0a 7....OK..
[03/04/2021 20:22:30] Written data (COM18)
	41 54 2b 43 46 55 4e 3f 0d 0a AT+CFUN?..
[03/04/2021 20:22:30] Read data (COM18)
	0d 0a 2b 43 46 55 4e 3a 20 30 0d 0a 0d 0a 4f 4b ..+CFUN: 0....OK
	0d 0a ..
[03/04/2021 20:22:31] Written data (COM18)
	41 54 2b 43 46 55 4e 3d 31 0d 0a AT+CFUN=1..
[03/04/2021 20:22:31] Read data (COM18)
	0d 0a 4f 4b 0d 0a ..OK..
[03/04/2021 20:22:31] Written data (COM18)
	41 54 2b 43 50 49 4e 3f 0d 0a AT+CPIN?..
[03/04/2021 20:22:32] Read data (COM18)
	0d 0a 45 52 52 4f 52 0d 0a ..ERROR..
[03/04/2021 20:22:36] Written data (COM18)
	41 54 2b 43 50 49 4e 3f 0d 0a AT+CPIN?..
[03/04/2021 20:22:36] Read data (COM18)
	0d 0a 2b 43 50 49 4e 3a 20 52 45 41 44 59 0d 0a ..+CPIN: READY..
	0d 0a 4f 4b 0d 0a ..OK..
[03/04/2021 20:22:37] Written data (COM18)
	41 54 2b 43 4f 50 53 3f 0d 0a AT+COPS?..
[03/04/2021 20:22:37] Read data (COM18)
	0d 0a 2b 43 4f 50 53 3a 20 30 0d 0a 0d 0a 4f 4b ..+COPS: 0....OK
	0d 0a ..
[03/04/2021 20:22:37] Written data (COM18)
	41 54 2b 43 45 52 45 47 3f 0d 0a AT+CEREG?..
[03/04/2021 20:22:38] Read data (COM18)
	0d 0a 2b 43 45 52 45 47 3a 20 30 2c 34 2c 22 46 ..+CEREG: 0,4,"F
	46 46 45 22 2c 22 46 46 46 46 46 46 46 46 22 2c FFE","FFFFFFFF",
	37 0d 0a 0d 0a 4f 4b 0d 0a 7....OK..
[03/04/2021 20:22:42] Written data (COM18)
	41 54 2b 43 45 52 45 47 3f 0d 0a AT+CEREG?..
[03/04/2021 20:22:42] Read data (COM18)
	0d 0a 2b 43 45 52 45 47 3a 20 30 2c 34 2c 22 46 ..+CEREG: 0,4,"F
	46 46 45 22 2c 22 46 46 46 46 46 46 46 46 22 2c FFE","FFFFFFFF",
	37 0d 0a 0d 0a 4f 4b 0d 0a 7....OK..
[03/04/2021 20:22:47] Written data (COM18)
	41 54 2b 43 45 52 45 47 3f 0d 0a AT+CEREG?..
[03/04/2021 20:22:47] Read data (COM18)
	0d 0a 2b 43 45 52 45 47 3a 20 30 2c 34 2c 22 46 ..+CEREG: 0,4,"F
	46 46 45 22 2c 22 46 46 46 46 46 46 46 46 22 2c FFE","FFFFFFFF",
	37 0d 0a 0d 0a 4f 4b 0d 0a 7....OK..
[03/04/2021 20:22:50] Written data (COM18)
	41 54 2b 43 46 55 4e 3f 0d 0a AT+CFUN?..
[03/04/2021 20:22:51] Read data (COM18)
	0d 0a 2b 43 46 55 4e 3a 20 30 0d 0a 0d 0a 4f 4b ..+CFUN: 0....OK
	0d 0a ..
[03/04/2021 20:22:51] Written data (COM18)
	41 54 2b 43 46 55 4e 3d 31 0d 0a AT+CFUN=1..
[03/04/2021 20:22:51] Read data (COM18)
	0d 0a 4f 4b 0d 0a ..OK..
[03/04/2021 20:22:52] Written data (COM18)
	41 54 2b 43 50 49 4e 3f 0d 0a AT+CPIN?..
[03/04/2021 20:22:52] Read data (COM18)
	0d 0a 45 52 52 4f 52 0d 0a ..ERROR..
[03/04/2021 20:22:56] Written data (COM18)
	41 54 2b 43 50 49 4e 3f 0d 0a AT+CPIN?..
[03/04/2021 20:22:57] Read data (COM18)
	0d 0a 2b 43 50 49 4e 3a 20 52 45 41 44 59 0d 0a ..+CPIN: READY..
	0d 0a 4f 4b 0d 0a ..OK..
[03/04/2021 20:22:57] Written data (COM18)
	41 54 2b 43 4f 50 53 3f 0d 0a AT+COPS?..
[03/04/2021 20:22:57] Read data (COM18)
	0d 0a 2b 43 4f 50 53 3a 20 30 0d 0a 0d 0a 4f 4b ..+COPS: 0....OK
	0d 0a ..
[03/04/2021 20:22:58] Written data (COM18)
	41 54 2b 43 45 52 45 47 3f 0d 0a AT+CEREG?..
[03/04/2021 20:22:58] Read data (COM18)
	0d 0a 2b 43 45 52 45 47 3a 20 30 2c 32 2c 22 33 ..+CEREG: 0,2,"3
	42 34 32 22 2c 22 30 31 35 38 38 32 30 34 22 2c B42","01588204",
	37 0d 0a 0d 0a 4f 4b 0d 0a 7....OK..
[03/04/2021 20:23:02] Written data (COM18)
	41 54 2b 43 45 52 45 47 3f 0d 0a AT+CEREG?..
[03/04/2021 20:23:02] Read data (COM18)
	0d 0a 2b 43 45 52 45 47 3a 20 30 2c 35 2c 22 33 ..+CEREG: 0,5,"3
	42 34 32 22 2c 22 30 31 35 38 38 32 30 34 22 2c B42","01588204",
	37 0d 0a 0d 0a 4f 4b 0d 0a 7....OK..
[03/04/2021 20:23:03] Written data (COM18)
	41 54 2b 43 47 44 43 4f 4e 54 3f 0d 0a AT+CGDCONT?..
[03/04/2021 20:23:03] Read data (COM18)
	0d 0a 2b 43 47 44 43 4f 4e 54 3a 20 30 2c 22 49 ..+CGDCONT: 0,"I
	50 22 2c 22 69 62 61 73 69 73 2e 69 6f 74 22 2c P","ibasis.iot",
	22 31 30 2e 31 36 35 2e 32 32 33 2e 31 34 30 22 "10.165.223.140"
	2c 30 2c 30 0d 0a 0d 0a 4f 4b 0d 0a ,0,0....OK..
[03/04/2021 20:23:04] Written data (COM18)
	41 54 25 58 4d 4f 4e 49 54 4f 52 0d 0a AT%XMONITOR..
[03/04/2021 20:23:04] Read data (COM18)
	0d 0a 25 58 4d 4f 4e 49 54 4f 52 3a 20 35 2c 22 ..%XMONITOR: 5,"
	22 2c 22 22 2c 22 33 31 30 32 36 30 22 2c 22 33 ","","310260","3
	42 34 32 22 2c 37 2c 31 32 2c 22 30 31 35 38 38 B42",7,12,"01588
	32 30 34 22 2c 32 31 30 2c 35 30 33 35 2c 32 35 204",210,5035,25
	2c 31 39 2c 22 22 2c 22 31 31 31 30 30 30 30 30 ,19,"","11100000
	22 2c 22 31 31 31 30 30 30 30 30 22 2c 22 30 31 ","11100000","01
	30 30 31 30 30 31 22 0d 0a 0d 0a 4f 4b 0d 0a 001001"....OK..
[03/04/2021 20:23:06] Written data (COM18)
	41 54 23 58 53 4f 43 4b 45 54 3d 31 2c 32 2c 30 AT#XSOCKET=1,2,0
	0d 0a ..
[03/04/2021 20:23:06] Read data (COM18)
	23 58 53 4f 43 4b 45 54 3a 20 31 2c 32 2c 30 2c #XSOCKET: 1,2,0,
	31 37 0d 0a 0d 0a 4f 4b 0d 0a 17....OK..
[03/04/2021 20:23:06] Written data (COM18)
	41 54 23 58 53 45 4e 44 54 4f 3d 22 35 32 2e 32 AT#XSENDTO="52.2
	36 2e 31 39 31 2e 32 34 36 22 2c 33 33 33 33 2c 6.191.246",3333,
	30 2c 22 32 33 32 33 30 30 36 37 30 30 30 41 30 0,"23230067000A0
	41 30 38 33 30 33 31 33 35 33 38 33 38 33 32 33 A083031353838323
	30 33 34 30 32 36 35 30 30 22 0d 0a 00 034026500"...
[03/04/2021 20:23:07] Read data (COM18)
	23 58 53 45 4e 44 54 4f 3a 20 31 39 0d 0a 0d 0a #XSENDTO: 19....
	4f 4b 0d 0a OK..
[03/04/2021 20:23:07] Written data (COM18)
	41 54 23 58 52 45 43 56 46 52 4f 4d 0d 0a AT#XRECVFROM..
[03/04/2021 20:23:08] Read data (COM18)
	32 33 32 33 30 30 36 37 30 30 30 41 30 41 30 38 23230067000A0A08
	33 30 33 31 33 35 33 38 33 38 33 32 33 30 33 34 3031353838323034
	30 32 36 35 30 30 0d 0a 23 58 52 45 43 56 46 52 026500..#XRECVFR
	4f 4d 3a 20 30 2c 33 38 0d 0a 0d 0a 4f 4b 0d 0a OM: 0,38....OK..
[03/04/2021 20:23:08] Written data (COM18)
	41 54 23 58 53 4f 43 4b 45 54 3d 30 2c 32 0d 0a AT#XSOCKET=0,2..
[03/04/2021 20:23:08] Read data (COM18)
	23 58 53 4f 43 4b 45 54 3a 20 30 2c 22 63 6c 6f #XSOCKET: 0,"clo
	73 65 64 22 0d 0a 0d 0a 4f 4b 0d 0a sed"....OK..
[03/04/2021 20:23:09] Written data (COM18)
	41 54 25 58 4d 4f 4e 49 54 4f 52 0d 0a AT%XMONITOR..
[03/04/2021 20:23:09] Read data (COM18)
	0d 0a 25 58 4d 4f 4e 49 54 4f 52 3a 20 35 2c 22 ..%XMONITOR: 5,"
	22 2c 22 22 2c 22 33 31 30 32 36 30 22 2c 22 33 ","","310260","3
	42 34 32 22 2c 37 2c 31 32 2c 22 30 31 35 38 38 B42",7,12,"01588
	32 30 34 22 2c 32 31 30 2c 35 30 33 35 2c 32 36 204",210,5035,26
	2c 31 39 2c 22 22 2c 22 31 31 31 30 30 30 30 30 ,19,"","11100000
	22 2c 22 31 31 31 30 30 30 30 30 22 2c 22 30 31 ","11100000","01
	30 30 31 30 30 31 22 0d 0a 0d 0a 4f 4b 0d 0a 001001"....OK..
[03/04/2021 20:23:13] Written data (COM18)
	41 54 23 58 53 4f 43 4b 45 54 3d 31 2c 32 2c 30 AT#XSOCKET=1,2,0
	0d 0a ..
[03/04/2021 20:23:14] Read data (COM18)
	23 58 53 4f 43 4b 45 54 3a 20 31 2c 32 2c 30 2c #XSOCKET: 1,2,0,
	31 37 0d 0a 0d 0a 4f 4b 0d 0a 17....OK..
[03/04/2021 20:23:14] Written data (COM18)
	41 54 23 58 53 45 4e 44 54 4f 3d 22 35 32 2e 32 AT#XSENDTO="52.2
	36 2e 31 39 31 2e 32 34 36 22 2c 33 33 33 33 2c 6.191.246",3333,
	30 2c 22 32 33 32 33 30 30 36 37 30 30 30 41 30 0,"23230067000A0
	41 30 38 33 30 33 31 33 35 33 38 33 38 33 32 33 A083031353838323
	30 33 34 30 32 36 35 30 30 22 0d 0a 00 034026500"...
[03/04/2021 20:23:14] Read data (COM18)
	23 58 53 45 4e 44 54 4f 3a 20 31 39 0d 0a 0d 0a #XSENDTO: 19....
	4f 4b 0d 0a OK..
[03/04/2021 20:23:15] Written data (COM18)
	41 54 23 58 52 45 43 56 46 52 4f 4d 0d 0a AT#XRECVFROM..
[03/04/2021 20:23:29] Written data (COM18)
	41 54 25 58 4d 4f 4e 49 54 4f 52 0d 0a AT%XMONITOR..
[03/04/2021 20:23:33] Written data (COM18)
	41 54 25 58 4d 4f 4e 49 54 4f 52 0d 0a AT%XMONITOR..
[03/04/2021 20:23:38] Written data (COM18)
	41 54 25 58 4d 4f 4e 49 54 4f 52 0d 0a AT%XMONITOR..
[03/04/2021 20:23:45] Written data (COM18)
	41 54 23 58 53 4f 43 4b 45 54 3d 31 2c 32 2c 30 AT#XSOCKET=1,2,0
	0d 0a ..
[03/04/2021 20:23:49] Written data (COM18)
	41 54 25 58 4d 4f 4e 49 54 4f 52 0d 0a AT%XMONITOR..
[03/04/2021 20:23:54] Written data (COM18)
	41 54 25 58 4d 4f 4e 49 54 4f 52 0d 0a AT%XMONITOR..