Last modified by Xiaoye on 2024/09/21 08:44
<
From version < 84.1 >
edited by Xiaoye
on 2022/08/24 17:34
To version < 68.1 >
edited by Xiaoye
on 2022/07/28 10:20
>
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Summary

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Title
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1 -LPS8v2 LoRaWAN Indoor Gateway User Manual
1 +LPS8v2 LoRaWAN Indoor Gateway
Content
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1 -(% style="text-align:center" %)
2 2  [[image:image-20220620202334-2.png||height="467" width="809"]]
3 3  
4 4  
5 5  (((
6 -
5 +**LPS8v2 User Manual**
7 7  
8 8  
9 9  )))
... ... @@ -12,55 +12,37 @@
12 12  
13 13  {{toc/}}
14 14  
15 -
16 -
17 -
18 -
19 19  = **1. Introduction** =
20 20  
21 -
22 22  == **1.1 What is LPS8v2** ==
23 23  
24 -
25 25  (((
26 -(((
27 27  The LPS8v2 is an (% style="color:green" %)**open-source LoRaWAN Gateway**(%%). It lets you bridge LoRa wireless network to an IP network via (% style="color:green" %)**WiFi , Ethernet or Cellular Network**(%%) (via Optional 4G module). The LoRa wireless allows users to send data and reach extremely long ranges at low data rates.
28 -)))
29 29  
30 -(((
31 31  The LPS8v2 is fully compatible with LoRaWAN protocol. It supports different kinds of LoRaWAN Network Connections such as: (% style="color:green" %)**Semtech UDP Packet Forwarder, LoRaWAN Basic Station, ChirpStack MQTT Bridge**(%%), and so on. This makes LPS8V2 work with most LoRaWAN platforms in the market.
32 -)))
33 33  
34 -(((
35 35  LPS8v2 also includes a (% style="color:green" %)**built-in LoRaWAN Server and IoT server**(%%), which provide the possibility for the system integrator to deploy the IoT service without cloud service or 3rd servers.
36 -)))
37 37  
38 -(((
39 39  Different countries use different LoRaWAN frequency bands. LPS8v2 has these bands pre-configured. Users can also customize the frequency bands to use in their own LoRa network.
40 -)))
41 41  
42 -(((
43 43  LPS8v2 supports (% style="color:green" %)**remote management**(%%). System Integrator can easy to remote monitor the gateway and maintain it.
44 -)))
45 45  
46 46  
47 -
48 48  == **1.2 Specifications** ==
49 49  
32 +**Hardware System:**
50 50  
51 -(% style="color:#037691" %)**Hardware System:**
52 -
53 53  * CPU: Quad-core Cortex-A7 1.2Ghz
54 54  * RAM: 512MB
55 55  * eMMC: 4GB
56 56  
57 -(% style="color:#037691" %)**Interface:**
38 +**Interface:**
58 58  
59 59  * 10M/100M RJ45 Ports x 1
60 60  * Multi-Channel LoRaWAN Wireless
61 61  * WiFi 802.11 b/g/n
62 62  
63 -(% style="color:#037691" %)**Operating Condition:**
44 +**Operating Condition:**
64 64  
65 65  * Work Temperature: -20 ~~ 65°C
66 66  * Storage Temperature: -20 ~~ 65°C
... ... @@ -68,7 +68,6 @@
68 68  
69 69  == **1.3 Features** ==
70 70  
71 -
72 72  * Open Source Debian system
73 73  * Managed by Web GUI, SSH via WAN or WiFi
74 74  * Remote Management
... ... @@ -81,98 +81,73 @@
81 81  ** Semtech UDP Packet Forwarder
82 82  ** LoRaWAN Basic Station
83 83  ** ChirpStack-Gateway-Bridge (MQTT)
84 -* Built-in (% style="color:#037691" %)//**The Things Network**//(%%) local LoRaWAN server
85 -* Built-in  (% style="color:#037691" %)//**Node-Red**// (%%)local Application server
64 +* Built-in //**The Things Network**// local LoRaWAN server
65 +* Built-in  //**Node-Red**// local Application server
86 86  
87 87  == **1.4 Block Diagram** ==
88 88  
89 89  
90 -
91 91  == **1.5 LED Indicators** ==
92 92  
93 -
94 94  LPS8-V2 has totally four LEDs, They are:
95 95  
96 96  
97 -(% style="color:blue" %)//**➢ Power LED**//(%%)//: This RED LED will be solid if the device is properly powered//
75 +//**➢ Power LED**: This RED LED will be solid if the device is properly powered//
98 98  
99 -(% style="color:blue" %)//**➢ ETH LED**//(%%)//: This RGB LED will blink GREEN when the ETH port is connecting//
100 100  
101 -(% style="color:blue" %)//**➢ SYS LED**//(%%)//: This RGB LED will show different colors in different states~://
78 +//**➢ LoRa LED**: This RGB LED will blink GREEN when the LoRaWAN module starts or transmit a packet//
102 102  
103 -// ✓ **SOLID GREEN:** The device is alive with a LoRaWAN server connection.//
104 104  
105 -// ✓ **BLINKING GREEN:** a) Device has internet connection but no LoRaWAN Connection. or b) Device is in booting stage, in this stage, it will BLINKING GREEN for several seconds and then with BLINKING GREEN together//
81 +//**➢ SYS LED**: This RGB LED will show different colors in different states~://
106 106  
107 -// ✓** SOLID RED:** Device doesn't have an Internet connection.//
83 +// ✓ SOLID BLUE: The device is alive with a LoRaWAN server connection.//
108 108  
109 -(% style="color:blue" %)//**➢ WIFI LED**//(%%)//: This LED shows the WIFI interface connection status.//
85 +// ✓ BLINKING BLUE: a) Device has internet connection but no LoRaWAN Connection. or b) Device is in booting stage, in this stage, it will BLINKING BLUE for several seconds and then with SOLID RED and BLINKING BLUE together//
110 110  
87 +// ✓ SOLID RED: Device doesn’t have an Internet connection.//
111 111  
112 -== **1.6 Button Indicators** ==
113 113  
90 +//**➢ ETH LED**: This LED shows the ETH interface connection status.//
114 114  
115 -LPS8-V2 has a black toggle button, which is:
116 116  
117 -
118 -(% style="color:blue" %)**//➢ //Long press 4-5s  : **(%%)the gateway will reload the Network and Initialize wifi configuration
119 -
120 - // **LED status: ** ETH LED will BLINKIND BULE Until the reload is finished.//
121 -
122 -
123 -(% style="color:blue" %)//**➢ **//**Long press more than 10s:**(%%)**  **//the gateway will restore the factory settings.//
124 -
125 - //**LED status: ** ETH LED will SOLID BULE Until the restore is finished.//
126 -
127 127  = **2. Quick Start** =
128 128  
129 -
130 130  The LPS8-V2 supports network access via Ethernet or Wi-Fi connection and runs without a network.
131 131  
132 132  In most cases, the first thing you need to do is make the lps8-v2 accessible to the network.
133 133  
134 134  
135 -
136 136  == **2.1 Connects to the network and accesses the gateway Web UI** ==
137 137  
138 138  
139 139  == **2.1.1 connect the network.** ==
140 140  
105 +=== ===
141 141  
142 -=== (% style="color:blue" %)**Method 1**(%%):  Connect via Ethernet with DHCP IP from the router ===
107 +=== **Method 1**: Connect via Ethernet with DHCP IP from the router ===
143 143  
144 -
145 -(((
146 146  Connect the LPS8-V2 Ethernet port to your router and LPS8 can obtain an IP address from your router. In the router's management portal, you should be able to find what IP address the router has assigned to the LPS8-V2.
147 -)))
148 148  
149 -(((
150 150  You can also use this IP to connect.
151 -)))
152 152  
153 153  [[image:image-20220622100129-1.png||height="332" width="1263"]]
154 154  
155 155  
116 +=== **Method 2**: Connect via WiFi with DHCP IP from the router ===
156 156  
157 -=== (% style="color:blue" %)**Method 2**(%%):  Connect via WiFi with DHCP IP from the router ===
158 158  
159 -
160 160  [[image:image-20220622100542-2.png||height="369" width="1256"]]
161 161  
162 162  
163 -(((
164 164  The LPS8-V2 has a fall-back IP address on its WAN port. you have to access the gateway Web-UI to configure the WiFi connection via the fallback IP address.
165 -)))
166 166  
167 167  
125 +**Steps to connect via fallback IP:**
168 168  
169 -(% style="color:#037691" %)**Steps to connect via fallback IP:**
127 +~1. Connect PC’s Ethernet port to LPS8-V2's WAN port
170 170  
171 -~1. Connect PC's Ethernet port to LPS8-V2's WAN port
172 -
173 173  2. Configure PC's Ethernet port has  IP: 172.31.255.253 and Netmask: 255.255.255.252
174 174  
175 -
176 176  [[image:image-20220622101433-4.png]]
177 177  
178 178  
... ... @@ -182,51 +182,41 @@
182 182  [[image:image-20220622102210-5.png||height="569" width="1039"]]
183 183  
184 184  
185 -Fill in the WiFi information by checking the box and clicking (% style="color:red" %)**Save&Apply**
140 +Fill in the WiFi information by checking the box and clicking **Save&Apply**
186 186  
187 187  
188 188  [[image:image-20220622102702-6.png]]
189 189  
190 190  
191 -
192 192  **Wi-Fi configuration successful**
193 193  
194 194  
195 195  [[image:image-20220622102847-7.png]]
196 196  
197 -
198 198  [[image:image-20220622102901-8.png||height="513" width="1011"]]
199 199  
200 200  
201 201  
155 +
202 202  == **2.2 The LPS8-V2 is registered and connected to The Things Network** ==
203 203  
204 204  
205 205  === **2.2.1 Select your area frequency** ===
206 206  
207 -
208 -(((
209 209  First, you need to set the frequency plan in LPS8-V2 to match the end node we use, so to receive the LoRaWAN packets from the LoRaWAN sensor.
210 210  
211 -
212 -)))
213 -
214 214  [[image:image-20220622103332-9.png]]
215 215  
216 216  
217 -
218 218  === **2.2.2 Get the only gateway EUI** ===
219 219  
220 -
221 221  Every LPS8-V2 has a unique gateway id. The ID can be found on LoRaWAN Semtech page:
222 222  
223 -
224 224  [[image:image-20220622103355-10.png]]
225 225  
226 226  
227 -(% style="color:red" %)**Note: Choose the cluster that corresponds to a specific Gateway server address**
173 +**Note: Choose the cluster that corresponds to a specific Gateway server address**
228 228  
229 -
230 230  **➢ Europe 1:**  corresponding Gateway server address:  **eu1.cloud.thethings.network**
231 231  
232 232  **➢ North America 1:**  corresponding Gateway server address:  **nam1.cloud.thethings.network**
... ... @@ -240,14 +240,12 @@
240 240  
241 241  
242 242  
243 -== **2.2.3 Register the gateway to The Things Network** ==
188 +== 2.2.3 Register the gateway to The Things Network ==
244 244  
245 -
246 246  **Login to The Things Network**
247 247  
248 248  [[https:~~/~~/console.cloud.thethings.network/>>https://console.cloud.thethings.network/]]
249 249  
250 -
251 251  **Add the gateway**
252 252  
253 253  [[image:image-20220622104252-13.png||height="511" width="953"]]
... ... @@ -256,17 +256,13 @@
256 256  **Get it online**
257 257  
258 258  
259 -
260 260  = **3. Web Configure Pages** =
261 261  
262 262  
263 263  == **3.1 Home** ==
264 264  
265 -
266 266  //Shows the system running status~://
267 267  
268 -
269 -
270 270  == **3.2 LoRa Settings** ==
271 271  
272 272  
... ... @@ -277,21 +277,19 @@
277 277  
278 278  //Different LPS8v2 hardware versions can support different frequency ranges~://
279 279  
280 -* (% style="color:#0000ff" %)//**868**//(% style="color:black" %)//: valid frequency: 863Mhz ~~ 870Mhz. for bands EU868, RU864, IN865, or KZ865.//
219 +* (% style="color:#0000ff" %)//**868**//(% style="color:black" %)//: valid frequency: 863Mhz ~~ 870Mhz. for bands EU868, RU864, IN865 or KZ865.//
281 281  * (% style="color:#0000ff" %)//**915**//(% style="color:black" %)//: valid frequency: 902Mhz ~~ 928Mhz. for bands US915, AU915, AS923 or KR920//
282 282  
283 283  (% class="wikigeneratedid" %)
284 -//After the user choose the frequency plan,  the user can see the actual frequency is used by checking the page (% style="color:#037691" %)**LogRead ~-~-> LoRa Log**//
223 +//After the user choose the frequency plan,  the user can see the actual frequency is used by checking the page **LogRead ~-~-> LoRa Log**//
285 285  
286 -
287 287  (% class="wikigeneratedid" %)
288 288  [[image:image-20220616110739-1.png||height="372" width="682"]]
289 289  
290 290  
291 -(((
292 -(% style="color:red" %)//**Note *: See this instruction for how to customize the frequency band: **//(%%)**//__[[How to customized LoRaWAN frequency band - DRAGINO>>url:http://8.211.40.43/xwiki/bin/view/Main/How%20to%20customized%20LoRaWAN%20frequency%20band/]]__//**
293 -)))
229 +//**Note ***: See this instruction for how to customize the frequency band~://
294 294  
231 +//__[[How to customized LoRaWAN frequency band - DRAGINO>>url:http://8.211.40.43/xwiki/bin/view/Main/How%20to%20customized%20LoRaWAN%20frequency%20band/]]__//
295 295  
296 296  
297 297  == **3.3 LoRaWAN Settings** ==
... ... @@ -302,26 +302,20 @@
302 302  
303 303  //This page is for the connection set up to a general LoRaWAN Network server such as [[TTN>>url:http://www.thethingsnetwork.org/]], [[ChirpStack>>url:https://www.chirpstack.io/]], etc.//
304 304  
305 -
306 306  [[image:image-20220616111932-2.png||height="516" width="672"]]
307 307  
308 308  
309 -
310 310  === **3.3.2 LoRaWAN ~-~-> LoRaWAN Basic Station** ===
311 311  
312 312  
313 313  //This page is for the connection set up to the TTN Basic Station, AWS-IoT, etc.//
314 314  
315 -
316 316  [[image:image-20220616113246-3.png||height="396" width="672"]]
317 317  
318 318  
319 -(((
320 320  Please see this instruction to know more detail and a demo for how to use of LoRaWAN Basic Station: __[[Use of LoRaWAN Basic Station - DRAGINO>>url:http://8.211.40.43/xwiki/bin/view/Main/Use%20of%20LoRaWAN%20Basic%20Station/]]__
321 -)))
322 322  
323 323  
324 -
325 325  == **3.4 Network Settings** ==
326 326  
327 327  
... ... @@ -331,14 +331,12 @@
331 331  [[image:image-20220616114756-4.png||height="251" width="669"]]
332 332  
333 333  
334 -
335 335  === **3.4.2 Network ~-~-> System Status** ===
336 336  
337 337  
338 -[[image:image-20220820134112-2.png||height="539" width="668"]]
268 +[[image:image-20220616115229-5.png||height="548" width="665"]]
339 339  
340 340  
341 -
342 342  === **3.4.3 Network ~-~-> Firewall** ===
343 343  
344 344  
... ... @@ -345,7 +345,6 @@
345 345  [[image:image-20220616115351-6.png||height="244" width="661"]]
346 346  
347 347  
348 -
349 349  == **3.5 System** ==
350 350  
351 351  
... ... @@ -355,7 +355,6 @@
355 355  Shows the system info:
356 356  
357 357  
358 -
359 359  === **3.5.2 System ~-~-> Backup/Restore** ===
360 360  
361 361  
... ... @@ -363,99 +363,67 @@
363 363  
364 364  
365 365  
366 -= **4. Build-in Server** =
293 += **4. Build-in LoRaWAN Network  Server ~-~- The Things Network - Stack (TTN-V3)** =
367 367  
368 368  
369 -The default factory version of LPS8-V2 is installed with the built-in Applicant server: (% style="color:blue" %)**Node-Red, and**(%%) LoRaWAN Server: (% style="color:blue" %)**The Things Network - Stack (Open Source 3.19 Version).**
296 +The default factory version of LPS8-V2 is installed with the Built-in LoRaWAN Server: **The Things Network - Stack (Open Source 3.19 Version).**
370 370  
298 +You can access the gateway's built-in LNS server of **The Things Network - Stack **via the URL((% class="mark" %)__**//http:~/~/<hostname>:8080 or http:~/~/<local-IPV4-address> //**__(%%)) in your browser.
371 371  
372 -[[image:image-20220820115644-1.png]]
373 373  
301 +Such as (% class="mark" %)__**//http:~/~/dragino-54ff12:8080  or http:~/~/<Local-IPV4-Address>//**__
374 374  
375 -(% style="color:red" %)**Note:**
376 376  
377 - **Path**: System ~-~-> Built-in Server
378 -
379 -
380 -**Troubleshooting:**
381 -
382 -
383 -**~ 1. URL does not jump properly**
384 -
385 - For the ttn-stack, you can click the update the URL which will update the configuration where change the hotsname to the current local IP address as the URL.
386 -
387 - For the Node-Red, you can use the local IP address and the port is 18880 to access it.
388 -
389 -
390 -
391 -== **4.1 LoRaWAN Network  Server ~-~- The Things Network - Stack (TTN-V3)** ==
392 -
393 -
394 -You can access the gateway's built-in LNS server of **The Things Network - Stack **via the URL( (% style="background-color:yellow" %)__**//http:~/~/<hostname>:8080 or http:~/~/<local-IPV4-address> //**__(%%)) in your browser.
395 -
396 -Such as  (% style="background-color:yellow" %)__**//http:~/~/dragino-54ff12:8080  or http:~/~/<Local-IPV4-Address>//**__
397 -
398 -
399 399  Login account:
400 400  
401 -**User ID: ** ** (% style="background-color:yellow" %)admin(%%)**
306 +**User ID: ** (% class="mark" %)admin
402 402  
403 -**Password: ** ** (% style="background-color:yellow" %)dragino(%%)**
308 +**Password: ** (% class="mark" %)dragino
404 404  
405 405  
406 406  [[image:image-20220725171719-1.png||height="570" width="769"]]
407 407  
313 +**Note:  (% class="mark" %)A portion of the sample devices that were not installed with Node-Red.
314 + You can complete the installation manually with the following command.(%%)**
408 408  
409 409  
410 -== **4.2. Application Server ~-~- Node-Red** ==
317 +(% class="box infomessage" %)
318 +(((
319 +(% class="mark" %)cd /tmp && wget http:~/~/repo.dragino.com/release/tool/ttnstack/autoinstall_ttn-stack.sh
411 411  
321 +(% style="background-color:#fcf8e3" %)chmod +x /tmp/autoinstall_ttn-stack.sh && /tmp/autoinstall_ttn-stack.sh ttn-stack
322 +)))
412 412  
413 -You can access the gateway's built-in AS server of **Node-Red **via the URL((% style="background-color:yellow" %)__**//http:~/~/<hostname>:8080 or http:~/~/<local-IPV4-address>//**__(%%)) in your browser.
414 414  
325 += **5. Build-in Application Server ~-~- Node-Red** =
415 415  
416 -Such as (% style="background-color:yellow" %)__**//http:~/~/dragino-54ff12:8080  or http:~/~/<Local-IPV4-Address>//**__
417 417  
328 +The default factory version of LPS8-V2 is installed with the built-in Applicant server: **Node-Red.**
418 418  
419 -[[image:image-20220725172124-3.png||height="610" width="843"]]
330 +You can access the gateway's built-in AS server of **Node-Red **via the URL((% class="mark" %)__**//http:~/~/<hostname>:8080 or http:~/~/<local-IPV4-address> //**__(%%)) in your browser.
420 420  
421 421  
333 +Such as (% class="mark" %)__**//http:~/~/dragino-54ff12:8080  or http:~/~/<Local-IPV4-Address>//**__
422 422  
423 -= **6. How users can access LPS8v2 using serial USB** =
335 +[[image:image-20220725172124-3.png||height="610" width="843"]]
424 424  
425 425  
426 -**USB TTL to LPS8v2  Connection:**
427 427  
428 -Port 1 of the UART on the LPS8v2 is GND
339 +**Note:  (% class="mark" %)A portion of the sample devices that were not installed with Node-Red.
340 + You can complete the installation manually with the following command.(%%)**
429 429  
342 +
430 430  (% class="box infomessage" %)
431 431  (((
432 -TXD  <~-~--> UART RXD (Gray line)
433 -
434 -RXD  <~-~--> UART TXD (White line)
435 -
436 -GND <~-~--> GND (Black line)
345 +(% class="mark" %)cd /tmp && wget  http:~/~/repo.dragino.com/release/tool/nodered/autoinstall_nodered.sh
346 +chmod +x /tmp/autoinstall_nodered.sh && /tmp/autoinstall_nodered.sh node-red
437 437  )))
438 438  
349 +[[image:image-20220725195041-1.jpeg||height="413" width="820"]]
439 439  
440 -**LPS8v2 UART connection photo**
441 441  
442 -[[image:image-20220804163015-1.png||height="621" width="466"]]
443 -
444 -
445 -
446 -In the PC,you can use the serial port tool(such as [[putty>>url:http://www.chiark.greenend.org.uk/~~sgtatham/putty/download.html]] in Windows), you need to set the serial baud rate to (% style="color:blue" %)**115200**(%%) to access the serial console for LPS8v2. LPS8v2 will output system info once power on as below:
447 -
448 -
449 -[[image:image-20220804164928-3.png||height="320" width="332"]]
450 -
451 -
452 -[[image:image-20220804164747-2.png||height="622" width="594"]]
453 -
454 -
455 -
456 456  (% style="color:inherit; font-family:inherit; font-size:29px" %)**10. Supports**
457 457  
458 -
459 459  (((
460 460  **//If you are experiencing issues and can't solve them, you can send mail to [[support@dragino.com>>mailto:support@dragino.com]].//**
461 461  )))
... ... @@ -464,12 +464,9 @@
464 464  **//With your question as detailed as possible. We will reply and help you in the shortest.//**
465 465  
466 466  
467 -
468 468  = **11 Reference** =
469 469  
470 -
471 471  * Install Tago Core: Refer **Install Tago Core in LPS8v2** in[[ Instruction>>doc:Main.Tago\.IO.WebHome]].
472 -* [[Advance OS Reference Guide for LPS8v2>>doc:Main.Armbian OS instruction.WebHome]].
473 473  
474 474  
475 475  )))
... ... @@ -476,32 +476,29 @@
476 476  
477 477  = **12. Order Info** =
478 478  
479 -
480 480  (% style="color:#0000ff" %)**LPS8v2-XXX-YYY**
481 481  
482 482  (% style="color:#0000ff" %)**XXX**(% style="color:black" %): Frequency Band
483 483  
484 -* (% style="color:red" %)**AS923**(%%): LoRaWAN AS923 band
485 -* (% style="color:red" %)**AU915**(%%): LoRaWAN AU915 band
486 -* (% style="color:red" %)**EU868**(%%): LoRaWAN EU868 band
487 -* (% style="color:red" %)**KR920**(%%): LoRaWAN KR920 band
488 -* (% style="color:red" %)**US915**(%%): LoRaWAN US915 band
489 -* (% style="color:red" %)**IN865**(%%):  LoRaWAN IN865 band
375 +* **AS923**: LoRaWAN AS923 band
376 +* **AU915**: LoRaWAN AU915 band
377 +* **EU868**: LoRaWAN EU868 band
378 +* **KR920**: LoRaWAN KR920 band
379 +* **US915**: LoRaWAN US915 band
380 +* **IN865**: LoRaWAN IN865 band
490 490  
491 491  (% style="color:#0000ff" %)**YYY**(% style="color:black" %): 4G Cellular Option
492 492  
493 -* (% style="color:red" %)**E**(%%):  EMEA, Korea, Thailand, India.
494 -* (% style="color:red" %)**A**(%%):  North America/ Rogers/AT&T/T-Mobile.
495 -* (% style="color:red" %)**AU**(%%): Latin America, New Zeland, Taiwan
496 -* (% style="color:red" %)**J**(%%):  Japan, DOCOMO/SoftBank/ KDDI
384 +* ** E**: EMEA, Korea, Thailand, India.
385 +* ** A**: North America/ Rogers/AT&T/T-Mobile.
386 +* ** AU**: Latin America, New Zeland, Taiwan
387 +* ** J**: Japan, DOCOMO/SoftBank/ KDDI
497 497  
498 498  More info about valid bands, please see [[EC25-E product page>>url:https://www.quectel.com/product/ec25.htm]].
499 499  
500 500  
501 -
502 502  = **13. Manufacturer Info** =
503 503  
504 -
505 505  **Shenzhen Dragino Technology Development co. LTD**
506 506  
507 507  Room 202, Block B, BCT Incubation Bases (BaoChengTai),  No.8 CaiYunRoad
... ... @@ -509,39 +509,21 @@
509 509  LongCheng Street, LongGang District ; Shenzhen 518116,China
510 510  
511 511  
512 -
513 513  = **14. FCC Warning** =
514 514  
515 -
516 -(((
517 517  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:
518 -)))
519 519  
520 -(((
521 521  ~-~- Reorient or relocate the receiving antenna.
522 -)))
523 523  
524 -(((
525 525  ~-~- Increase the separation between the equipment and receiver.
526 -)))
527 527  
528 -(((
529 529  ~-~- Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
530 -)))
531 531  
532 -(((
533 533  ~-~- Consult the dealer or an experienced radio/TV technician for help.
534 -)))
535 535  
536 536  
537 -(((
538 538  Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment.
539 -)))
540 540  
541 541  
542 -(((
543 543  The antenna(s) used for this transmitter must be installed to provide a separation distance of at least 20 cm from all persons and must not be co-located or operating in conjunction with any other antenna or transmitter.
544 -
545 -
546 546  )))
547 -)))
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