Last modified by Bei Jinggeng on 2025/01/16 11:36
<
From version < 68.6 >
edited by Xiaoling
on 2022/08/18 14:42
To version < 73.3 >
edited by Xiaoling
on 2022/09/12 10:36
>
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Summary

Details

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Content
... ... @@ -30,6 +30,7 @@
30 30  
31 31  = 1.Introduction =
32 32  
33 +
33 33  == 1.1 What is RS485-LN RS485 to LoRaWAN Converter ==
34 34  
35 35  (((
... ... @@ -73,7 +73,7 @@
73 73  == 1.2 Specifications ==
74 74  
75 75  
76 -**(% style="color:#037691" %)Hardware System:**
77 +(% style="color:#037691" %)**Hardware System:**
77 77  
78 78  * STM32L072CZT6 MCU
79 79  * SX1276/78 Wireless Chip 
... ... @@ -83,7 +83,7 @@
83 83  
84 84  
85 85  
86 -**(% style="color:#037691" %)Interface for Model:**
87 +(% style="color:#037691" %)**Interface for Model:**
87 87  
88 88  * RS485
89 89  * Power Input 7~~ 24V DC. 
... ... @@ -90,7 +90,7 @@
90 90  
91 91  
92 92  
93 -**(% style="color:#037691" %)LoRa Spec:**
94 +(% style="color:#037691" %)**LoRa Spec:**
94 94  
95 95  * Frequency Range:
96 96  ** Band 1 (HF): 862 ~~ 1020 Mhz
... ... @@ -118,7 +118,7 @@
118 118  
119 119  
120 120  * LoRaWAN Class A & Class C protocol (default Class C)
121 -* Frequency Bands: CN470/EU433/KR920/US915/EU868/AS923/AU915/IN865/RU864
122 +* Frequency Bands: CN470/EU433/KR920/US915/EU868/AS923/AU915/IN865/RU864/MA869
122 122  * AT Commands to change parameters
123 123  * Remote configure parameters via LoRa Downlink
124 124  * Firmware upgradable via program port
... ... @@ -188,6 +188,7 @@
188 188  
189 189  = 3. Operation Mode =
190 190  
192 +
191 191  == 3.1 How it works? ==
192 192  
193 193  
... ... @@ -205,6 +205,7 @@
205 205  
206 206  Here shows an example for how to join the TTN V3 Network. Below is the network structure, we use [[LG308>>url:http://www.dragino.com/products/lora-lorawan-gateway/item/140-lg308.html]] as LoRaWAN gateway here. 
207 207  
210 +
208 208  (% aria-label="1653268155545-638.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:1653268155545-638.png||data-widget="image" height="334" width="724"]](% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %)​
209 209  
210 210  
... ... @@ -215,6 +215,8 @@
215 215  
216 216  (((
217 217  485A+ and 485B- of the sensor are connected to RS485A and RA485B of RS485-LN respectively.
221 +
222 +
218 218  )))
219 219  
220 220  (% aria-label="1653268227651-549.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:1653268227651-549.png||data-widget="image" height="592" width="720"]](% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %)​
... ... @@ -241,6 +241,8 @@
241 241  (((
242 242  (((
243 243  User can enter this key in their LoRaWAN Server portal. Below is TTN V3 screen shot:
249 +
250 +
244 244  )))
245 245  
246 246  (((
... ... @@ -254,8 +254,11 @@
254 254  
255 255  (% aria-label="image-20220519174512-3.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:image-20220519174512-3.png||data-widget="image" height="556" width="724"]](% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %)​
256 256  
257 -(% aria-label="image-20220519174512-4.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:image-20220519174512-4.png||data-widget="image"]](% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %)​
264 +(% aria-label="image-20220519174512-4.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:image-20220519174512-4.png||data-widget="image"]](% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]]
258 258  
266 +
267 +(% title="Click and drag to resize" %)​
268 +
259 259  You can also choose to create the device manually.
260 260  
261 261  (% aria-label="1652953542269-423.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:1652953542269-423.png||data-widget="image" height="710" width="723"]](% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %)​
... ... @@ -267,8 +267,11 @@
267 267  (% aria-label="1652953553383-907.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:1652953553383-907.png||data-widget="image" height="514" width="724"]](% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %)​
268 268  
269 269  
280 +
270 270  (((
271 271  (% style="color:blue" %)**Step 2**(%%): Power on RS485-LN and it will auto join to the TTN V3 network. After join success, it will start to upload message to TTN V3 and user can see in the panel.
283 +
284 +
272 272  )))
273 273  
274 274  (% aria-label="1652953568895-172.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:1652953568895-172.png||data-widget="image" height="232" width="724"]](% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %)​
... ... @@ -282,6 +282,8 @@
282 282  (((
283 283  (((
284 284  There are plenty of RS485 devices in the market and each device has different command to read the valid data. To support these devices in flexible, RS485-LN supports flexible command set. User can use [[AT Commands>>||anchor="H3.5ConfigureRS485-LNviaATorDownlink"]] or LoRaWAN Downlink Command to configure what commands RS485-LN should send for each sampling and how to handle the return from RS485 devices.
298 +
299 +
285 285  )))
286 286  )))
287 287  
... ... @@ -300,6 +300,7 @@
300 300  
301 301  To use RS485-LN to read data from RS485 sensors, connect the RS485-LN A/B traces to the sensors. And user need to make sure RS485-LN use the match UART setting to access the sensors. The related commands for UART settings are:
302 302  
318 +
303 303  (% border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:510px" %)
304 304  |=(% style="width: 110px;" %)(((
305 305  **AT Commands**
... ... @@ -434,7 +434,7 @@
434 434  In the RS485-LN, we should use this command AT+COMMAND1=01 03 0B B8 00 02,1 for the same.
435 435  
436 436  
437 -(% style="color:#037691" %)**AT+DATACUTx **(%%)**: **This command defines how to handle the return from AT+COMMANDx, max return length is 45 bytes.
453 +(% style="color:#037691" %)**AT+DATACUTx **(%%)**: **This command defines how to handle the return from AT+COMMANDx, max return length is 100 bytes.
438 438  
439 439  (% border="1" style="background-color:#4bacc6; color:white; width:510px" %)
440 440  |(% style="width:510px" %)(((
... ... @@ -538,7 +538,22 @@
538 538  
539 539   ~* For all other bands: max 51 bytes for each uplink.
540 540  
557 +(% style="color:red" %)*** When AT+DATAUP=1, the maximum number of segments is 15, and the maximum total number of bytes is 1500;**
541 541  
559 +(% style="color:red" %)** When AT+DATAUP=1 and AT+ADR=0, the maximum number of bytes of each payload is determined by the DR value. (Since v1.4.0)**
560 +
561 +
562 +(% style="color:#4f81bd" %)**If the data is empty, return to the display（Since v1.4.0）**
563 +
564 +1)When AT+MOD=1, if the data intercepted by AT+DATACUT or AT+MBFUN is empty, it will display NULL, and the payload will be filled with n FFs.
565 +
566 +[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/test/WebHome/image-20220824114359-3.png?width=1106&height=297&rev=1.1||alt="image-20220824114359-3.png" height="297" width="1106"]]
567 +
568 +2)When AT+MOD=2, if the data intercepted by AT+DATACUT or AT+MBFUN is empty, it will display NULL, and the payload will be filled with n 00s.
569 +
570 +[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/test/WebHome/image-20220824114330-2.png?rev=1.1||alt="image-20220824114330-2.png"]]
571 +
572 +
542 542  Below are the uplink payloads:
543 543  
544 544  (% aria-label="1654157178836-407.png image widget" contenteditable="false" role="region" tabindex="-1" %)[[image:1654157178836-407.png||data-widget="image"]](% style="background-image:url(http://wiki.dragino.com/xwiki/webjars/wiki%3Axwiki/application-ckeditor-webjar/1.61/plugins/widget/images/handle.png); background:rgba(220,220,220,0.5); display:none" %)[[image:data:image/gif;base64,R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw==||draggable="true" height="15" role="presentation" title="Click and drag to move" width="15"]](% title="Click and drag to resize" %)​
... ... @@ -776,8 +776,14 @@
776 776  )))
777 777  
778 778  
810 +1)Add the interrupt flag at the highest bit of the Payver byte, that is, Byte7 of the first byte. (Since v1.4.0)[[image:image-20220824145428-2.png||height="168" width="1300"]]
779 779  
780 780  
813 +2)if the data intercepted by AT+DATACUT or AT+MBFUN is empty, it will display NULL, and the payload will be filled with n FFs.
814 +
815 +[[image:image-20220824145428-3.png||height="308" width="1200"]]
816 +
817 +
781 781  ==== (% style="color:blue" %)**Set RS485 Sampling Commands**(%%) ====
782 782  
783 783  
... ... @@ -957,8 +957,6 @@
957 957  )))
958 958  
959 959  
960 -
961 -
962 962  ==== (% style="color:blue" %)**Uplink payload mode**(%%) ====
963 963  
964 964  
... ... @@ -974,28 +974,43 @@
974 974  
975 975  * (((
976 976  (% style="color:#037691" %)** AT Command:**
977 -)))
978 978  
979 979  **AT+DATAUP=0**
980 980  
981 981  **AT+DATAUP=1**
982 982  
1017 +
1018 +)))
983 983  
1020 +**0xAD 01 00 00 14**  **~-~->** Same as AT+DATAUP=1，20000 ~/~/(00 00 14 is 20 seconds)
1021 +
1022 +Each uplink is sent to the server at 20-second intervals when segmented.
1023 +
1024 +
984 984  * (((
985 985  (% style="color:#037691" %)** Downlink Payload:**
986 986  )))
987 987  
988 -(((
989 -**0xAD 00**  **~-~->** Same as AT+DATAUP=0
990 -)))
1029 +**0xAD 00**  **~-~->** Same as AT+DATAUP=0
991 991  
992 -(((
993 -**0xAD 01**  **~-~->** Same as AT+DATAUP=1
1031 +**0xAD 01**  **~-~->** Same as AT+DATAUP=1  ~/~/Each uplink is sent to the server one after the other as it is segmented.
1032 +
1033 +
1034 +* (((
1035 +(% style="color:#037691" %)** AT Command:**
994 994  )))
995 995  
1038 +**AT+DATAUP=1,Timeout**
996 996  
997 997  
1041 +* (((
1042 +(% style="color:#037691" %)** Downlink Payload:**
1043 +)))
998 998  
1045 +**0xAD 01 00 00 14**  **~-~->** Same as AT+DATAUP=1，20000 ~/~/(00 00 14 is 20 seconds)
1046 +
1047 +Each uplink is sent to the server at 20-second intervals when segmented.
1048 +
999 999  ==== (% style="color:blue" %)**Manually trigger an Uplink**(%%) ====
1000 1000  
1001 1001  
... ... @@ -1078,6 +1078,8 @@
1078 1078  
1079 1079  (((
1080 1080  Set the Rs485 serial communication parameters:
1131 +
1132 +
1081 1081  )))
1082 1082  
1083 1083  * (((
... ... @@ -1085,12 +1085,10 @@
1085 1085  )))
1086 1086  
1087 1087  (((
1088 -
1089 -
1090 1090  * Set Baud Rate
1091 1091  )))
1092 1092  
1093 -**AT+BAUDR=9600**    ~/~/ Options: (1200,2400,4800,14400,19200,115200)
1143 +**AT+BAUDR=9600**    ~/~/ Options: (200~~115200)  When using low baud rate or receiving multiple bytes, you need to use AT+CMDDL to increase the receive timeout (the default receive timeout is 400ms), otherwise data will be lost
1094 1094  
1095 1095  
1096 1096  (((
... ... @@ -1136,8 +1136,123 @@
1136 1136  )))
1137 1137  
1138 1138  
1189 +==== (% style="color:blue" %)**Encrypted payload**(%%) ====
1139 1139  
1191 +(((
1192 +
1193 +)))
1140 1140  
1195 +* (((
1196 +(% style="color:#037691" %)** AT Command:**
1197 +)))
1198 +
1199 +**AT+DECRYPT=1  **~/~/ The payload is uploaded without encryption
1200 +
1201 +**AT+DECRYPT=0  **~/~/Encrypt when uploading payload (default)
1202 +
1203 +
1204 +==== (% style="color:blue" %)**Get sensor value**(%%) ====
1205 +
1206 +
1207 +* (((
1208 +(% style="color:#037691" %)** AT Command:**
1209 +)))
1210 +
1211 +**AT+GETSENSORVALUE=0  **~/~/ The serial port gets the reading of the current sensor
1212 +
1213 +**AT+GETSENSORVALUE=1  **~/~/The serial port gets the current sensor reading and uploads it.
1214 +
1215 +
1216 +==== (% style="color:blue" %)**Resets the downlink packet count**(%%) ====
1217 +
1218 +
1219 +* (((
1220 +(% style="color:#037691" %)** AT Command:**
1221 +)))
1222 +
1223 +**AT+DISFCNTCHECK=0  **~/~/ When the downlink packet count sent by the server is less than the node downlink packet count or exceeds 16384, the node will no longer receive downlink packets (default)
1224 +
1225 +**AT+DISFCNTCHECK=1  **~/~/When the downlink packet count sent by the server is less than the node downlink packet count or exceeds 16384, the node resets the downlink packet count and keeps it consistent with the server downlink packet count.
1226 +
1227 +
1228 +==== (% style="color:blue" %)**When the limit bytes are exceeded, upload in batches**(%%) ====
1229 +
1230 +
1231 +* (((
1232 +(% style="color:#037691" %)** AT Command:**
1233 +)))
1234 +
1235 + **AT+DISMACANS=0**  ~/~/ When the MACANS of the reply server plus the payload exceeds the maximum number of bytes of 11 bytes (DR0 of US915, DR2 of AS923, DR2 of AU195), the node will send a packet with a payload of 00 and a port of 4. (default)
1236 +
1237 + **AT+DISMACANS=1**      ~/~/ When the MACANS of the reply server plus the payload exceeds the maximum number of bytes of the DR, the node will ignore the MACANS and not reply, and only upload the payload part.
1238 +
1239 +
1240 +* (((
1241 +(% style="color:#037691" %)** Downlink Payload:**
1242 +)))
1243 +
1244 +**0x21 00 01 ** ~/~/ Set  the DISMACANS=1
1245 +
1246 +
1247 +==== (% style="color:blue" %)** Copy downlink to uplink **(%%) ====
1248 +
1249 +
1250 +* (((
1251 +(% style="color:#037691" %)** AT Command:**
1252 +)))
1253 +
1254 +**AT+RPL=5**  ~/~/ After receiving the package from the server, it will immediately upload the content of the package to the server, the port number is 100.
1255 +
1256 +Example：**aa xx xx xx xx**         ~/~/ aa indicates whether the configuration has changed, 00 is yes, 01 is no; xx xx xx xx are the bytes sent.
1257 +
1258 +[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LSN50%20%26%20LSN50-V2%20-%20LoRaWAN%20Sensor%20Node%20User%20Manual/WebHome/image-20220823173747-6.png?width=1124&height=165&rev=1.1||alt="image-20220823173747-6.png"]]
1259 +
1260 +For example, sending 11 22 33 44 55 66 77 will return invalid configuration 00 11 22 33 44 55 66 77.
1261 +
1262 +[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LSN50%20%26%20LSN50-V2%20-%20LoRaWAN%20Sensor%20Node%20User%20Manual/WebHome/image-20220823173833-7.png?width=1124&height=149&rev=1.1||alt="image-20220823173833-7.png"]]
1263 +
1264 +For example, if 01 00 02 58 is issued, a valid configuration of 01 01 00 02 58 will be returned.
1265 +
1266 +
1267 +==== (% style="color:blue" %)**Query version number and frequency band 、TDC**(%%) ====
1268 +
1269 +
1270 +* (((
1271 +(% style="color:#037691" %)**Downlink Payload:**
1272 +
1273 +**26 01  ** ~/~/ Downlink 26 01 can query device upload frequency, frequency band, software version number, TDC time.
1274 +)))
1275 +
1276 +Example：
1277 +
1278 +[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LSN50%20%26%20LSN50-V2%20-%20LoRaWAN%20Sensor%20Node%20User%20Manual/WebHome/image-20220823173929-8.png?width=1205&height=76&rev=1.1||alt="image-20220823173929-8.png"]]
1279 +
1280 +==== ====
1281 +
1282 +==== (% style="color:blue" %)** Monitor RS485 communication of other devices**(%%) ====
1283 +
1284 +
1285 +* (((
1286 +(% style="color:#037691" %)** AT Command:**
1287 +)))
1288 +
1289 +**~ ​AT+RXMODE=1,10**  ~/~/ When the RS485-LN receives more than 10 bytes from the RS485, it immediately sends the uplink of the received data.
1290 +
1291 +**~ ​AT+RXMODE=2,500    ** ~/~/RS485-LN uploads data as uplink from the first byte received by RS485 to the data received within 500ms after that.
1292 +
1293 + **AT+RXMODE=0,0  ** ~/~/Disable this mode (default)
1294 +
1295 +
1296 +* (((
1297 +(% style="color:#037691" %)**Downlink Payload:**
1298 +)))
1299 +
1300 +**A6 aa bb bb                   ** ~/~/same as AT+RXMODE=aa,bb
1301 +
1302 +[[image:image-20220824144240-1.png]]
1303 +
1304 +
1305 +
1141 1141  == 3.6 Listening mode for RS485 network ==
1142 1142  
1143 1143  
... ... @@ -1249,10 +1249,6 @@
1249 1249  |(% style="width:50px" %)**RST**|(% style="width:361px" %)Reboot RS485
1250 1250  |(% style="width:50px" %)**PRO**|(% style="width:361px" %)Use for upload image, see [[How to Update Image>>||anchor="H6.1Howtoupgradetheimage3F"]]
1251 1251  
1252 -
1253 -
1254 -
1255 -
1256 1256  == 3.8 LEDs ==
1257 1257  
1258 1258  
... ... @@ -1261,10 +1261,6 @@
1261 1261  |**PWR**|Always on if there is power
1262 1262  |**SYS**|After device is powered on, the SYS will (% style="color:green" %)**fast blink in GREEN**(%%) for 5 times, means RS485-LN start to join LoRaWAN network. If join success, SYS will be (% style="color:green" %)**on GREEN for 5 seconds** (%%)**. **SYS will (% style="color:green" %)**blink Blue**(%%) on every upload and (% style="color:green" %)**blink Green**(%%) once receive a downlink message.
1263 1263  
1264 -
1265 -
1266 -
1267 -
1268 1268  = 4. Case Study =
1269 1269  
1270 1270  
... ... @@ -1395,7 +1395,7 @@
1395 1395  )))
1396 1396  
1397 1397  (((
1398 -(% style="color:blue" %)**Step2**(%%)**:** Download the [[LT Image files>>url:https://www.dragino.com/downloads/index.php?dir=RS485-LN/Firmware/]].
1555 +(% style="color:blue" %)**Step2**(%%)**:** Download the [[LT Image files>>url:https://www.dropbox.com/sh/g99v0fxcltn9r1y/AACP33wo_ZQLsxW2MJ70oUoba/RS485-LN/Firmware?dl=0&subfolder_nav_tracking=1]].
1399 1399  )))
1400 1400  
1401 1401  (((
... ... @@ -1498,10 +1498,6 @@
1498 1498  * (% style="color:red" %)**RU864**(%%):  frequency bands RU864
1499 1499  * (% style="color:red" %)**KZ865**(%%):  frequency bands KZ865
1500 1500  
1501 -
1502 -
1503 -
1504 -
1505 1505  = 9.Packing Info =
1506 1506  
1507 1507  
... ... @@ -1518,10 +1518,6 @@
1518 1518  * Package Size / pcs : 14.5 x 8 x 5 cm
1519 1519  * Weight / pcs : 170g
1520 1520  
1521 -
1522 -
1523 -
1524 -
1525 1525  = 10. FCC Caution for RS485LN-US915 =
1526 1526  
1527 1527  
... ... @@ -1542,7 +1542,7 @@
1542 1542  )))
1543 1543  
1544 1544  (((
1545 -**(% style="color:red" %)Note: **(%%)This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures:
1694 +(% style="color:red" %)**Note: **(%%)This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures:
1546 1546  )))
1547 1547  
1548 1548  (((
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