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...	...	@@ -21,8 +21,6 @@
21	21	1. Firmware version for below instruction:**[[(% style="color:purple" %)Since LG02_LG08~~-~~-build-v5.4.1593400722-20200629-1120>>url:http://www.dragino.com/downloads/index.php?dir=LoRa_Gateway/LPS8/Firmware/Release/]](%%)**
22	22
23	23
24		-
25		-
26	26	= 2. How it works =
27	27
28	28
...	...	@@ -51,7 +51,6 @@
51	51	Input the ABP keys in LG308
52	52
53	53
54		-
55	55	== 2.1 Upstream ==
56	56
57	57
...	...	@@ -80,8 +80,6 @@
80	80	* **SNR**: 3030 3030 3030 3546 = 0x0000 005F = 95, need to divide 10 so SNR is 9.5
81	81	* **Payload**: 0xcc0c 0b63 0266 017f ff7f ff00
82	82
83		-
84		-
85	85	(% class="box" %)
86	86	(((
87	87	(% style="color:red" %)**Notice 1**(%%): The data file stored in LG308 for the end node is bin file. If the end node sends ASCII string to gateway, the output will as below:
...	...	@@ -92,7 +92,6 @@
92	92	000001c
93	93	)))
94	94
95		-
96	96	(% class="box" %)
97	97	(((
98	98	(% style="color:red" %)**Notice 2**(%%): The upstream payload length should match the LoRaWAN length requirement (max length depends on Frequency and DR), otherwise the gateway can't decode the payload.
...	...	@@ -99,7 +99,6 @@
99	99	)))
100	100
101	101
102		-
103	103	=== 2.2.1 Decode Method ===
104	104
105	105
...	...	@@ -169,7 +169,6 @@
169	169
170	170
171	171
172		-
173	173	== 2.2 Downstream ==
174	174
175	175
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201	201	* **Frequency:** Transmit Frequency: example: 923300000
202	202	* **rxwindow:** transmit on Rx1Window or Rx2Window.
203	203
	196	+
	197	+
	198	+
204	204	(% style="color:blue" %)**Completely exmaple:**
205	205
206	206	* **Old version:** echo 018193F4,imme,hex,0101 > /var/iot/push/test
207	207	* **New version:** echo 018193F4,imme,hex,0101,20,1,SF12,923300000,2 > /var/iot/push/test
208	208
	204	+
	205	+
	206	+
209	209	(% style="color:#037691" %)**Downstream Frequency**
210	210
211	211	The LG308 will use the RX2 window info to send the downstream payload, use the default LoRaWAN settings, as below:
...	...	@@ -219,6 +219,9 @@
219	219	* IN865: 866.55Mhz, SF10 BW125
220	220	* RU864: 869.1Mhz, SF12 BW125
221	221
	220	+
	221	+
	222	+
222	222	(% style="color:#037691" %)**Examples:**
223	223
224	224	(% class="box" %)
...	...	@@ -225,19 +225,25 @@
225	225	(((
226	226	we can use echo command to create files in LG308 for downstream.
227	227	root@dragino-1d25dc:~~# echo 2602111D,time,hex,12345678 > /var/iot/push/test
	229	+)))
228	228
229		-
	231	+(% class="box" %)
	232	+(((
230	230	**1)** From logread -f of gateway, we can see it has been added as pedning.
231	231	lora_pkt_fwd[4286]: INFO~~ [DNLK]Looking file : test
232	232	lora_pkt_fwd[4286]: INFO~~ [DNLK]devaddr:2602111D, txmode:time, pdfm:hex, size:4, payload1:4Vx,payload_hex:77C1BB90
233	233	lora_pkt_fwd[4286]: INFO~~ [DNLK] DNLINK PENDING!(1 elems).
	237	+)))
234	234
235		-
	239	+(% class="box" %)
	240	+(((
236	236	**2)** When there is an upstrea from end node, this downstream will be sent and shows:
237	237	lora_pkt_fwd[4286]: INFO: tx_start_delay=1497 (1497.000000) - (1497, bw_delay=0.000000, notch_delay=0.000000)
238	238	lora_pkt_fwd[4286]: [LGWSEND]lgw_send done: count_us=3537314420, freq=923300000, size=17
	244	+)))
239	239
240		-
	246	+(% class="box" %)
	247	+(((
241	241	**3)** and the end node will got:
242	242	[5764825]~*~*~*~** UpLinkCounter= 98 ~*~*~*~**
243	243	[5764827]TX on freq 905300000 Hz at DR 0
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250	250	Rssi= -41
251	251	Receive data
252	252	(% style="color:#037691" %)**2:12345678**  (%%) ~-~-> Hex
	260	+)))
253	253
254		-
	262	+(% class="box" %)
	263	+(((
255	255	**4) **If we use the command "echo 2602111D,time,txt,12345678 > /var/iot/push/test" for downstream, the end node will got:
256	256	[5955877]~*~*~*~** UpLinkCounter= 102 ~*~*~*~**
257	257	[5955879]TX on freq 904100000 Hz at DR 0
...	...	@@ -267,7 +267,6 @@
267	267	)))
268	268
269	269
270		-
271	271	= 3. Example 1: Communicate with LT-22222-L =
272	272
273	273
...	...	@@ -311,7 +311,6 @@
311	311	#  whether the Device 2 has been changed.//
312	312	)))
313	313
314		-
315	315	**~1. Input keys**
316	316
317	317	[[image:image-20220527162450-3.png]]
...	...	@@ -321,7 +321,6 @@
321	321
322	322	**2. Make sure the LPS8 and LT use the same frequency bands, choose EU868 in this test.**
323	323
324		-
325	325	**3. Choose Built-in server**
326	326
327	327	[[image:image-20220527162518-4.png]]
...	...	@@ -331,7 +331,7 @@
331	331
332	332	**4. Run the script.**
333	333
334		-[[image:image-20220722115213-2.png]]
	340	+[[image:image-20220527162552-5.png]]
335	335
336	336	Run the script
337	337
...	...	@@ -338,12 +338,11 @@
338	338
339	339	**5. Output:**
340	340
341		-[[image:image-20220722115133-1.png]]
	347	+[[image:image-20220527162619-6.png]]
342	342
343	343	Output from LPS8
344	344
345	345
346		-
347	347	= 4. Example 2: Communicate to TCP Server =
348	348
349	349

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