Changes for page RS485-LN – RS485 to LoRaWAN Converter User Manual
Last modified by Bei Jinggeng on 2025/01/16 11:36
Summary
-
Page properties (1 modified, 0 added, 0 removed)
-
Attachments (0 modified, 3 added, 0 removed)
Details
- Page properties
-
- 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 -**Hardware System:** 77 +(% style="color:#037691" %)**Hardware System:** 77 77 78 78 * STM32L072CZT6 MCU 79 79 * SX1276/78 Wireless Chip ... ... @@ -82,14 +82,16 @@ 82 82 ** 20dB Transmit: 65mA@12v 83 83 84 84 85 -**Interface for Model:** 86 86 87 +(% style="color:#037691" %)**Interface for Model:** 88 + 87 87 * RS485 88 88 * Power Input 7~~ 24V DC. 89 89 90 90 91 -**LoRa Spec:** 92 92 94 +(% style="color:#037691" %)**LoRa Spec:** 95 + 93 93 * Frequency Range: 94 94 ** Band 1 (HF): 862 ~~ 1020 Mhz 95 95 ** Band 2 (LF): 410 ~~ 528 Mhz ... ... @@ -116,7 +116,7 @@ 116 116 117 117 118 118 * LoRaWAN Class A & Class C protocol (default Class C) 119 -* Frequency Bands: CN470/EU433/KR920/US915/EU868/AS923/AU915/IN865/RU864 122 +* Frequency Bands: CN470/EU433/KR920/US915/EU868/AS923/AU915/IN865/RU864/MA869 120 120 * AT Commands to change parameters 121 121 * Remote configure parameters via LoRa Downlink 122 122 * Firmware upgradable via program port ... ... @@ -186,6 +186,7 @@ 186 186 187 187 = 3. Operation Mode = 188 188 192 + 189 189 == 3.1 How it works? == 190 190 191 191 ... ... @@ -203,6 +203,7 @@ 203 203 204 204 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. 205 205 210 + 206 206 (% 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" %) 207 207 208 208 ... ... @@ -213,6 +213,8 @@ 213 213 214 214 ((( 215 215 485A+ and 485B- of the sensor are connected to RS485A and RA485B of RS485-LN respectively. 221 + 222 + 216 216 ))) 217 217 218 218 (% 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" %) ... ... @@ -239,6 +239,8 @@ 239 239 ((( 240 240 ((( 241 241 User can enter this key in their LoRaWAN Server portal. Below is TTN V3 screen shot: 249 + 250 + 242 242 ))) 243 243 244 244 ((( ... ... @@ -252,8 +252,11 @@ 252 252 253 253 (% 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" %) 254 254 255 -(% 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"]] 256 256 266 + 267 +(% title="Click and drag to resize" %) 268 + 257 257 You can also choose to create the device manually. 258 258 259 259 (% 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" %) ... ... @@ -265,8 +265,11 @@ 265 265 (% 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" %) 266 266 267 267 280 + 268 268 ((( 269 269 (% 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 + 270 270 ))) 271 271 272 272 (% 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" %) ... ... @@ -280,6 +280,8 @@ 280 280 ((( 281 281 ((( 282 282 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 + 283 283 ))) 284 284 ))) 285 285 ... ... @@ -298,6 +298,7 @@ 298 298 299 299 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: 300 300 318 + 301 301 (% border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:510px" %) 302 302 |=(% style="width: 110px;" %)((( 303 303 **AT Commands** ... ... @@ -432,7 +432,7 @@ 432 432 In the RS485-LN, we should use this command AT+COMMAND1=01 03 0B B8 00 02,1 for the same. 433 433 434 434 435 -(% style="color:#037691" %)**AT+DATACUTx **(%%)**: **This command defines how to handle the return from AT+COMMANDx, max return length is 45bytes.453 +(% style="color:#037691" %)**AT+DATACUTx **(%%)**: **This command defines how to handle the return from AT+COMMANDx, max return length is 100 bytes. 436 436 437 437 (% border="1" style="background-color:#4bacc6; color:white; width:510px" %) 438 438 |(% style="width:510px" %)((( ... ... @@ -536,7 +536,22 @@ 536 536 537 537 ~* For all other bands: max 51 bytes for each uplink. 538 538 557 +(% style="color:red" %)*** When AT+DATAUP=1, the maximum number of segments is 15, and the maximum total number of bytes is 1500;** 539 539 559 +(% 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 + 540 540 Below are the uplink payloads: 541 541 542 542 (% 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" %) ... ... @@ -774,8 +774,14 @@ 774 774 ))) 775 775 776 776 810 +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"]] 777 777 778 778 813 +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 + 779 779 ==== (% style="color:blue" %)**Set RS485 Sampling Commands**(%%) ==== 780 780 781 781 ... ... @@ -955,8 +955,6 @@ 955 955 ))) 956 956 957 957 958 - 959 - 960 960 ==== (% style="color:blue" %)**Uplink payload mode**(%%) ==== 961 961 962 962 ... ... @@ -972,28 +972,43 @@ 972 972 973 973 * ((( 974 974 (% style="color:#037691" %)** AT Command:** 975 -))) 976 976 977 977 **AT+DATAUP=0** 978 978 979 979 **AT+DATAUP=1** 980 980 1017 + 1018 +))) 981 981 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 + 982 982 * ((( 983 983 (% style="color:#037691" %)** Downlink Payload:** 984 984 ))) 985 985 986 -((( 987 -**0xAD 00** **~-~->** Same as AT+DATAUP=0 988 -))) 1029 +**0xAD 00** **~-~->** Same as AT+DATAUP=0 989 989 990 -((( 991 -**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:** 992 992 ))) 993 993 1038 +**AT+DATAUP=1,Timeout** 994 994 995 995 1041 +* ((( 1042 +(% style="color:#037691" %)** Downlink Payload:** 1043 +))) 996 996 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 + 997 997 ==== (% style="color:blue" %)**Manually trigger an Uplink**(%%) ==== 998 998 999 999 ... ... @@ -1076,6 +1076,8 @@ 1076 1076 1077 1077 ((( 1078 1078 Set the Rs485 serial communication parameters: 1131 + 1132 + 1079 1079 ))) 1080 1080 1081 1081 * ((( ... ... @@ -1083,12 +1083,10 @@ 1083 1083 ))) 1084 1084 1085 1085 ((( 1086 - 1087 - 1088 1088 * Set Baud Rate 1089 1089 ))) 1090 1090 1091 -**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 1092 1092 1093 1093 1094 1094 ((( ... ... @@ -1134,8 +1134,123 @@ 1134 1134 ))) 1135 1135 1136 1136 1189 +==== (% style="color:blue" %)**Encrypted payload**(%%) ==== 1137 1137 1191 +((( 1192 + 1193 +))) 1138 1138 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 + 1139 1139 == 3.6 Listening mode for RS485 network == 1140 1140 1141 1141 ... ... @@ -1247,10 +1247,6 @@ 1247 1247 |(% style="width:50px" %)**RST**|(% style="width:361px" %)Reboot RS485 1248 1248 |(% style="width:50px" %)**PRO**|(% style="width:361px" %)Use for upload image, see [[How to Update Image>>||anchor="H6.1Howtoupgradetheimage3F"]] 1249 1249 1250 - 1251 - 1252 - 1253 - 1254 1254 == 3.8 LEDs == 1255 1255 1256 1256 ... ... @@ -1259,10 +1259,6 @@ 1259 1259 |**PWR**|Always on if there is power 1260 1260 |**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. 1261 1261 1262 - 1263 - 1264 - 1265 - 1266 1266 = 4. Case Study = 1267 1267 1268 1268 ... ... @@ -1393,7 +1393,7 @@ 1393 1393 ))) 1394 1394 1395 1395 ((( 1396 -(% style="color:blue" %)**Step2**(%%)**:** Download the [[LT Image files>>url:https://www.dr agino.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]]. 1397 1397 ))) 1398 1398 1399 1399 ((( ... ... @@ -1496,10 +1496,6 @@ 1496 1496 * (% style="color:red" %)**RU864**(%%): frequency bands RU864 1497 1497 * (% style="color:red" %)**KZ865**(%%): frequency bands KZ865 1498 1498 1499 - 1500 - 1501 - 1502 - 1503 1503 = 9.Packing Info = 1504 1504 1505 1505 ... ... @@ -1516,10 +1516,6 @@ 1516 1516 * Package Size / pcs : 14.5 x 8 x 5 cm 1517 1517 * Weight / pcs : 170g 1518 1518 1519 - 1520 - 1521 - 1522 - 1523 1523 = 10. FCC Caution for RS485LN-US915 = 1524 1524 1525 1525 ... ... @@ -1540,7 +1540,7 @@ 1540 1540 ))) 1541 1541 1542 1542 ((( 1543 -**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: 1544 1544 ))) 1545 1545 1546 1546 (((
- image-20220824144240-1.png
-
- Author
-
... ... @@ -1,0 +1,1 @@ 1 +XWiki.Bei - Size
-
... ... @@ -1,0 +1,1 @@ 1 +110.9 KB - Content
- image-20220824145428-2.png
-
- Author
-
... ... @@ -1,0 +1,1 @@ 1 +XWiki.Bei - Size
-
... ... @@ -1,0 +1,1 @@ 1 +12.6 KB - Content
- image-20220824145428-3.png
-
- Author
-
... ... @@ -1,0 +1,1 @@ 1 +XWiki.Bei - Size
-
... ... @@ -1,0 +1,1 @@ 1 +17.7 KB - Content