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Author

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1		-XWiki.Edwin
	1	+XWiki.Xiaoling

Content

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2	2
3	3	= 1. Introduction =
4	4
5		-This chapter describes how to set Transmit Time Interval for [[label>>End Device AT Commands and Downlink Command/||anchor="#H4.1ChangeUplinkInterval"]].
	5	+This chapter describes how to set Transmit Time Interval.
6	6
7		-= 2. via AT Command through UART interface =
	7	+= 2. Downlink Payload =
8	8
9		-
10		-|=(% colspan="3" %)AT+TDC
11		-|**Command Example**|**Function**|**Response**
12		-|AT+TDC=?|Show current transmit Interval|30000(((
13		-OK
14		-
15		-the interval is 30000ms = 30s
16		-)))
17		-|AT+TDC=60000|Set Transmit Interval|OK(((
18		-Set transmit interval to 60000ms = 60 seconds
19		-)))
20		-
21		-
22		-= 3. via LoRaWAN Downlink =
23		-
24	24	TDC can be controlled by Downlink Payload.
25	25
26		-(((
27		-For example: Payload: 01 00 02 58 TDC=600s The time interval is represented by hexadecimal conversion to decimal.
28		-)))
	11	+For example: AT+TDC=0x258=600s Payload: 01 00 02 58 TDC=600s The time interval is represented by hexadecimal conversion to decimal.
29	29
30	30	[[image:https://wiki.dragino.com/images/8/8e/TDC.png||alt="TDC.png" height="173" width="850"]]
31	31
32		-(((
33		-
34		-)))
35	35
36		-(((
37	37	If the payload=0100003C, it means set the END Node’s TDC to 0x00003C=60(S), 3C (HEX) = 60 (decimal)，while type code is 01.
38		-)))
39	39
40		-(((
41	41	Payload: 01 00 00 1E TDC=30s Payload: 01 00 00 3C TDC=60s
42		-)))
43	43
44		-[[image:image-20220512084801-1.png]]
	20	+[[image:https://wiki.dragino.com/images/3/38/Downlink_playload_TDC.png||alt="Downlink playload TDC.png" height="304" width="910"]]
45	45
46		-== Downlink Method ==
	22	+== 3. Downlink Method ==
47	47
48	48	See use note for different serves [[Servers Note>>http://8.211.40.43:8080/xwiki/bin/view/Main/]]