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Version 83.3 by Xiaoling on 2022/08/23 09:33
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Xiaoling 69.2 1 (% style="text-align:center" %)
Edwin Chen 43.1 2 [[image:image-20220620202334-2.png||height="467" width="809"]]
Xiaoye 4.1 3
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5 (((
Xiaoling 69.2 6
Xiaoye 4.1 7
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9 )))
Xiaoye 5.1 10
11 **Table of Contents：**
12
13 {{toc/}}
14
Xiaoling 69.2 15
Xiaoling 83.2 16
17
18
Kilight Cao 11.1 19 = **1. Introduction** =
Xiaoye 5.1 20
Xiaoling 83.2 21
Kilight Cao 12.1 22 == **1.1 What is LPS8v2** ==
Xiaoye 5.1 23
Xiaoling 69.2 24
Xiaoye 5.1 25 (((
Xiaoling 69.7 26 (((
Edwin Chen 44.1 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.
Xiaoling 69.7 28 )))
Xiaoye 6.2 29
Xiaoling 69.7 30 (((
Edwin Chen 44.1 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.
Xiaoling 69.7 32 )))
Xiaoye 6.2 33
Xiaoling 69.7 34 (((
Edwin Chen 44.1 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.
Xiaoling 69.7 36 )))
Xiaoye 6.2 37
Xiaoling 69.7 38 (((
Edwin Chen 43.1 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.
Xiaoling 69.7 40 )))
Xiaoye 6.2 41
Xiaoling 69.7 42 (((
Edwin Chen 44.1 43 LPS8v2 supports (% style="color:green" %)**remote management**(%%). System Integrator can easy to remote monitor the gateway and maintain it.
Xiaoling 69.7 44 )))
Edwin Chen 43.1 45
46
Xiaoling 69.2 47
Kilight Cao 11.1 48 == **1.2 Specifications** ==
Xiaoye 6.2 49
50
Xiaoling 69.2 51 (% style="color:#037691" %)**Hardware System:**
52
Edwin Chen 46.1 53 * CPU: Quad-core Cortex-A7 1.2Ghz
Xiaoye 6.2 54 * RAM: 512MB
55 * eMMC: 4GB
56
Xiaoling 69.2 57 (% style="color:#037691" %)**Interface:**
Xiaoye 6.2 58
59 * 10M/100M RJ45 Ports x 1
Edwin Chen 45.1 60 * Multi-Channel LoRaWAN Wireless
Edwin Chen 43.1 61 * WiFi 802.11 b/g/n
Xiaoye 6.2 62
Xiaoling 69.2 63 (% style="color:#037691" %)**Operating Condition:**
Xiaoye 6.2 64
65 * Work Temperature: -20 ~~ 65°C
66 * Storage Temperature: -20 ~~ 65°C
Edwin Chen 45.1 67 * Power Input: 5V, 2A, DC
Xiaoye 6.2 68
Xiaoling 83.2 69
70
71
Kilight Cao 11.1 72 == **1.3 Features** ==
Xiaoye 6.2 73
Xiaoling 69.2 74
Xiaoye 6.2 75 * Open Source Debian system
76 * Managed by Web GUI, SSH via WAN or WiFi
Edwin Chen 45.1 77 * Remote Management
Edwin Chen 49.1 78 * Auto-provisioning for batch deployment and management
Xiaoye 6.2 79 * LoRaWAN Gateway
80 * 10 programmable parallel demodulation paths
Xiaoye 26.1 81 * Pre-configured to support different LoRaWAN regional settings.
Kilight Cao 11.1 82 * Allow customizing LoRaWAN regional parameters.
Edwin Chen 45.1 83 * Different kinds of LoRaWAN Connections such as
84 ** Semtech UDP Packet Forwarder
85 ** LoRaWAN Basic Station
86 ** ChirpStack-Gateway-Bridge (MQTT)
Xiaoling 69.2 87 * Built-in (% style="color:#037691" %)//**The Things Network**//(%%) local LoRaWAN server
88 * Built-in  (% style="color:#037691" %)//**Node-Red**// (%%)local Application server
Xiaoye 6.2 89
Xiaoling 83.3 90
91
92
Kilight Cao 11.1 93 == **1.4 Block Diagram** ==
Xiaoye 6.2 94
95
Xiaoling 69.3 96
Xiaoye 35.1 97 == **1.5 LED Indicators** ==
98
Xiaoling 69.3 99
Xiaoye 35.1 100 LPS8-V2 has totally four LEDs, They are:
101
102
Xiaoling 69.3 103 (% style="color:blue" %)//**➢ Power LED**//(%%)//: This RED LED will be solid if the device is properly powered//
Xiaoye 35.1 104
Xiaoling 69.3 105 (% style="color:blue" %)//**➢ LoRa LED**//(%%)//: This RGB LED will blink GREEN when the LoRaWAN module starts or transmit a packet//
Xiaoye 35.1 106
Xiaoling 69.3 107 (% style="color:blue" %)//**➢ SYS LED**//(%%)//: This RGB LED will show different colors in different states~://
Xiaoye 35.1 108
Xiaoling 69.3 109 // ✓ **SOLID BLUE:** The device is alive with a LoRaWAN server connection.//
Xiaoye 35.1 110
Xiaoling 69.3 111 // ✓ **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//
Xiaoye 35.1 112
Xiaoling 69.4 113 // ✓** SOLID RED:** Device doesn't have an Internet connection.//
Xiaoye 35.1 114
Xiaoling 69.3 115 (% style="color:blue" %)//**➢ ETH LED**//(%%)//: This LED shows the ETH interface connection status.//
Xiaoye 35.1 116
117
Xiaoling 69.3 118
Xiaoye 26.1 119 = **2. Quick Start** =
Xiaoye 8.1 120
Xiaoling 69.4 121
Xiaoye 26.1 122 The LPS8-V2 supports network access via Ethernet or Wi-Fi connection and runs without a network.
Xiaoye 8.1 123
Xiaoye 26.1 124 In most cases, the first thing you need to do is make the lps8-v2 accessible to the network.
Xiaoye 8.1 125
126
Xiaoling 69.4 127
Xiaoye 35.1 128 == **2.1 Connects to the network and accesses the gateway Web UI** ==
Xiaoye 8.1 129
130
Xiaoye 35.1 131 == **2.1.1 connect the network.** ==
Xiaoye 8.1 132
133
Xiaoling 69.4 134 === (% style="color:blue" %)**Method 1**(%%):  Connect via Ethernet with DHCP IP from the router ===
Xiaoye 26.1 135
Xiaoling 69.4 136
Xiaoling 69.10 137 (((
Xiaoye 35.1 138 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.
Xiaoling 69.10 139 )))
Xiaoye 26.1 140
Xiaoling 69.10 141 (((
Xiaoye 35.1 142 You can also use this IP to connect.
Xiaoling 69.10 143 )))
Xiaoye 35.1 144
145 [[image:image-20220622100129-1.png||height="332" width="1263"]]
146
147
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Xiaoling 69.4 149 === (% style="color:blue" %)**Method 2**(%%):  Connect via WiFi with DHCP IP from the router ===
Xiaoye 35.1 150
Xiaoling 69.4 151
Xiaoye 35.1 152 [[image:image-20220622100542-2.png||height="369" width="1256"]]
153
154
Xiaoling 69.11 155 (((
Xiaoye 35.1 156 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.
Xiaoling 69.11 157 )))
Xiaoye 35.1 158
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Xiaoling 69.4 161 (% style="color:#037691" %)**Steps to connect via fallback IP:**
Xiaoye 35.1 162
Xiaoling 69.11 163 ~1. Connect PC's Ethernet port to LPS8-V2's WAN port
Xiaoling 69.4 164
Xiaoye 35.1 165 2. Configure PC's Ethernet port has  IP: 172.31.255.253 and Netmask: 255.255.255.252
166
Xiaoling 83.3 167
Xiaoye 35.1 168 [[image:image-20220622101433-4.png]]
169
170
171 and then On the PC, use the IP address **http:~/~/172.31.255.254** to access the LPS8-V2 via Web or Console.
172
173
174 [[image:image-20220622102210-5.png||height="569" width="1039"]]
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Xiaoling 69.4 177 Fill in the WiFi information by checking the box and clicking (% style="color:red" %)**Save&Apply**
Xiaoye 35.1 178
179
180 [[image:image-20220622102702-6.png]]
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Xiaoling 69.4 183
Xiaoye 35.1 184 **Wi-Fi configuration successful**
185
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187 [[image:image-20220622102847-7.png]]
188
Xiaoling 69.4 189
Xiaoye 35.1 190 [[image:image-20220622102901-8.png||height="513" width="1011"]]
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Xiaoye 26.1 194 == **2.2 The LPS8-V2 is registered and connected to The Things Network** ==
195
196
Xiaoye 41.1 197 === **2.2.1 Select your area frequency** ===
Xiaoye 26.1 198
Xiaoling 69.4 199
Xiaoling 69.12 200 (((
Xiaoye 41.1 201 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.
Xiaoling 83.3 202
203
Xiaoling 69.12 204 )))
Xiaoye 26.1 205
Xiaoye 41.1 206 [[image:image-20220622103332-9.png]]
Xiaoye 26.1 207
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Xiaoling 69.4 209
Xiaoye 41.1 210 === **2.2.2 Get the only gateway EUI** ===
211
Xiaoling 69.4 212
Xiaoye 41.1 213 Every LPS8-V2 has a unique gateway id. The ID can be found on LoRaWAN Semtech page:
214
215 [[image:image-20220622103355-10.png]]
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Xiaoling 69.4 218 (% style="color:red" %)**Note: Choose the cluster that corresponds to a specific Gateway server address**
Xiaoye 41.1 219
Xiaoling 69.4 220
Xiaoye 41.1 221 **➢ Europe 1:**  corresponding Gateway server address:  **eu1.cloud.thethings.network**
222
223 **➢ North America 1:**  corresponding Gateway server address:  **nam1.cloud.thethings.network**
224
225 **➢ Australia 1: ** corresponding Gateway server address:  **au1.cloud.thethings.network**
226
227 **➢ Legacy V2 Console:** TTN v2 shuts down in December 2021
228
229
230 [[image:image-20220622103956-12.png]]
231
232
233
234 == 2.2.3 Register the gateway to The Things Network ==
235
Xiaoling 69.4 236
Xiaoye 41.1 237 **Login to The Things Network**
238
239 [[https:~~/~~/console.cloud.thethings.network/>>https://console.cloud.thethings.network/]]
240
Xiaoling 69.4 241
Xiaoye 41.1 242 **Add the gateway**
243
244 [[image:image-20220622104252-13.png||height="511" width="953"]]
245
246
247 **Get it online**
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Xiaoling 69.4 250
Kilight Cao 15.1 251 = **3. Web Configure Pages** =
Xiaoye 8.1 252
253
Kilight Cao 15.1 254 == **3.1 Home** ==
Kilight Cao 11.1 255
Xiaoling 69.4 256
Kilight Cao 23.1 257 //Shows the system running status~://
Kilight Cao 15.1 258
Xiaoling 69.4 259
Kilight Cao 15.1 260 == **3.2 LoRa Settings** ==
261
262
Kilight Cao 23.1 263 === **3.2.1 LoRa ~-~-> LoRa** ===
Kilight Cao 15.1 264
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Kilight Cao 23.1 266 //This page shows the LoRa Radio Settings. There is a set of default frequency bands according to LoRaWAN protocol, and users can customize the band* as well.//
Kilight Cao 15.1 267
Kilight Cao 23.1 268 //Different LPS8v2 hardware versions can support different frequency ranges~://
Kilight Cao 15.1 269
Xiaoye 83.1 270 * (% style="color:#0000ff" %)//**868**//(% style="color:black" %)//: valid frequency: 863Mhz ~~ 870Mhz. for bands EU868, RU864, IN865, or KZ865.//
Kilight Cao 23.1 271 * (% style="color:#0000ff" %)//**915**//(% style="color:black" %)//: valid frequency: 902Mhz ~~ 928Mhz. for bands US915, AU915, AS923 or KR920//
Xiaoye 8.1 272
Kilight Cao 23.1 273 (% class="wikigeneratedid" %)
Xiaoling 69.4 274 //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**//
Kilight Cao 23.1 275
276 (% class="wikigeneratedid" %)
277 [[image:image-20220616110739-1.png||height="372" width="682"]]
278
279
Xiaoling 69.4 280 (((
Xiaoling 69.5 281 (% 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/]]__//**
Xiaoling 69.4 282 )))
Kilight Cao 23.1 283
284
285
286 == **3.3 LoRaWAN Settings** ==
287
288
289 === **3.3.1 LoRaWAN ~-~-> LoRaWAN Semtech UDP** ===
290
291
292 //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.//
293
294 [[image:image-20220616111932-2.png||height="516" width="672"]]
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296
Xiaoling 69.5 297
Kilight Cao 23.1 298 === **3.3.2 LoRaWAN ~-~-> LoRaWAN Basic Station** ===
299
300
301 //This page is for the connection set up to the TTN Basic Station, AWS-IoT, etc.//
302
303 [[image:image-20220616113246-3.png||height="396" width="672"]]
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Xiaoling 69.12 306 (((
Kilight Cao 23.1 307 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/]]__
Xiaoling 69.12 308 )))
Kilight Cao 23.1 309
310
Xiaoling 69.5 311
Kilight Cao 23.1 312 == **3.4 Network Settings** ==
313
314
315 === **3.4.1 Network ~-~-> WiFi** ===
316
317
318 [[image:image-20220616114756-4.png||height="251" width="669"]]
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Xiaoling 69.5 321
Kilight Cao 23.1 322 === **3.4.2 Network ~-~-> System Status** ===
323
324
Xiaoye 83.1 325 [[image:image-20220820134112-2.png||height="539" width="668"]]
Kilight Cao 23.1 326
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Xiaoling 69.5 328
Kilight Cao 23.1 329 === **3.4.3 Network ~-~-> Firewall** ===
330
331
332 [[image:image-20220616115351-6.png||height="244" width="661"]]
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Xiaoling 69.5 335
Kilight Cao 23.1 336 == **3.5 System** ==
337
338
339 === **3.5.1  System ~-~-> System Overview** ===
340
341
342 Shows the system info:
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344
Xiaoling 69.5 345
Kilight Cao 23.1 346 === **3.5.2 System ~-~-> Backup/Restore** ===
347
348
349 [[image:image-20220616115808-7.png||height="194" width="649"]]
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Xiaoye 83.1 353 = **4. Build-in Server** =
Xiaoye 53.1 354
Xiaoye 83.1 355 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).**
Xiaoye 53.1 356
Xiaoye 83.1 357 [[image:image-20220820115644-1.png]]
Xiaoye 53.1 358
359
Xiaoye 83.1 360 Note:
Kilight Cao 58.1 361
Xiaoye 83.1 362 **Path**: System ~-~-> Built-in Server
Kilight Cao 58.1 363
364
Xiaoye 83.1 365 **Troubleshooting:**
Kilight Cao 59.1 366
Xiaoye 60.1 367
Xiaoye 83.1 368 **~ 1. URL does not jump properly**
Xiaoye 60.1 369
Xiaoye 83.1 370 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.
Xiaoye 60.1 371
Xiaoye 83.1 372 For the Node-Red, you can use the local IP address and the port is 18880 to access it.
Kilight Cao 57.1 373
374
Xiaoye 83.1 375 == **4.1 LoRaWAN Network  Server ~-~- The Things Network - Stack (TTN-V3)** ==
Kilight Cao 58.1 376
Xiaoye 83.1 377 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.
Xiaoling 69.5 378
Xiaoye 83.1 379 Such as  (% style="background-color:yellow" %)__**//http:~/~/dragino-54ff12:8080  or http:~/~/<Local-IPV4-Address>//**__
Xiaoye 67.1 380
381
Xiaoye 83.1 382 Login account:
Xiaoling 69.5 383
Xiaoye 83.1 384 **User ID: ** ** (% style="background-color:yellow" %)admin(%%)**
Xiaoye 53.1 385
Xiaoye 83.1 386 **Password: ** ** (% style="background-color:yellow" %)dragino(%%)**
Xiaoye 53.1 387
Kilight Cao 59.1 388
Xiaoye 83.1 389 [[image:image-20220725171719-1.png||height="570" width="769"]]
Kilight Cao 59.1 390
391
Xiaoye 60.1 392
Xiaoye 83.1 393 == **4.2. Application Server ~-~- Node-Red** ==
Xiaoling 69.6 394
Xiaoye 53.1 395
Xiaoye 83.1 396 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.
Xiaoye 53.1 397
398
Xiaoye 83.1 399 Such as (% style="background-color:yellow" %)__**//http:~/~/dragino-54ff12:8080  or [[http:~~/~~/<Local-IPV4-Address~>>>http://<Local-IPV4-Address>]]//**__
Xiaoye 61.1 400
401
Xiaoye 83.1 402 [[image:image-20220725172124-3.png||height="610" width="843"]]
Xiaoye 61.1 403
404
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Kilight Cao 74.1 406 = **6. How users can access LPS8v2 using serial USB** =
Xiaoling 69.6 407
Kilight Cao 74.1 408
Kilight Cao 79.1 409 **USB TTL to LPS8v2  Connection:**
Kilight Cao 74.1 410
411 Port 1 of the UART on the LPS8v2 is GND
412
Kilight Cao 79.1 413 (% class="box infomessage" %)
414 (((
Kilight Cao 74.1 415 TXD  <~-~--> UART RXD (Gray line)
416
417 RXD  <~-~--> UART TXD (White line)
418
419 GND <~-~--> GND (Black line)
Kilight Cao 79.1 420 )))
Kilight Cao 74.1 421
422
Kilight Cao 77.1 423 **LPS8v2 UART connection photo**
424
425 [[image:image-20220804163015-1.png||height="621" width="466"]]
426
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Kilight Cao 78.1 429 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:
Kilight Cao 77.1 430
431 [[image:image-20220804164928-3.png||height="320" width="332"]]
432
433 [[image:image-20220804164747-2.png||height="622" width="594"]]
434
Kilight Cao 23.1 435 (% style="color:inherit; font-family:inherit; font-size:29px" %)**10. Supports**
436
Xiaoling 69.6 437
Kilight Cao 14.1 438 (((
439 **//If you are experiencing issues and can't solve them, you can send mail to [[support@dragino.com>>mailto:support@dragino.com]].//**
440 )))
Xiaoye 8.1 441
Kilight Cao 14.1 442 (((
443 **//With your question as detailed as possible. We will reply and help you in the shortest.//**
Kilight Cao 15.1 444
Edwin Chen 50.1 445
Xiaoling 69.6 446
Edwin Chen 50.1 447 = **11 Reference** =
448
Xiaoling 69.6 449
Edwin Chen 52.1 450 * Install Tago Core: Refer **Install Tago Core in LPS8v2** in[[ Instruction>>doc:Main.Tago\.IO.WebHome]].
Edwin Chen 80.1 451 * [[Advance OS Reference Guide for LPS8v2>>doc:Main.Armbian OS instruction.WebHome]].
Edwin Chen 50.1 452
Kilight Cao 15.1 453
Kilight Cao 14.1 454 )))
Xiaoye 8.1 455
Edwin Chen 50.1 456 = **12. Order Info** =
Xiaoye 8.1 457
Xiaoling 69.6 458
Edwin Chen 42.1 459 (% style="color:#0000ff" %)**LPS8v2-XXX-YYY**
Xiaoye 8.1 460
Kilight Cao 14.1 461 (% style="color:#0000ff" %)**XXX**(% style="color:black" %): Frequency Band
Xiaoye 8.1 462
Xiaoling 69.6 463 * (% style="color:red" %)**AS923**(%%): LoRaWAN AS923 band
464 * (% style="color:red" %)**AU915**(%%): LoRaWAN AU915 band
465 * (% style="color:red" %)**EU868**(%%): LoRaWAN EU868 band
466 * (% style="color:red" %)**KR920**(%%): LoRaWAN KR920 band
467 * (% style="color:red" %)**US915**(%%): LoRaWAN US915 band
468 * (% style="color:red" %)**IN865**(%%):  LoRaWAN IN865 band
Xiaoye 8.1 469
Edwin Chen 42.1 470 (% style="color:#0000ff" %)**YYY**(% style="color:black" %): 4G Cellular Option
471
Xiaoling 69.6 472 * (% style="color:red" %)**E**(%%):  EMEA, Korea, Thailand, India.
473 * (% style="color:red" %)**A**(%%):  North America/ Rogers/AT&T/T-Mobile.
474 * (% style="color:red" %)**AU**(%%): Latin America, New Zeland, Taiwan
475 * (% style="color:red" %)**J**(%%):  Japan, DOCOMO/SoftBank/ KDDI
Edwin Chen 42.1 476
477 More info about valid bands, please see [[EC25-E product page>>url:https://www.quectel.com/product/ec25.htm]].
478
479
Xiaoling 69.6 480
Edwin Chen 50.1 481 = **13. Manufacturer Info** =
Xiaoye 8.1 482
Xiaoling 69.6 483
Xiaoye 8.1 484 **Shenzhen Dragino Technology Development co. LTD**
485
486 Room 202, Block B, BCT Incubation Bases (BaoChengTai),  No.8 CaiYunRoad
487
488 LongCheng Street, LongGang District ; Shenzhen 518116,China
489
490
Xiaoling 69.6 491
Edwin Chen 50.1 492 = **14. FCC Warning** =
Xiaoye 8.1 493
Xiaoling 69.6 494
Xiaoling 69.12 495 (((
Xiaoye 8.1 496 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:
Xiaoling 69.12 497 )))
Xiaoye 8.1 498
Xiaoling 69.12 499 (((
Xiaoye 8.1 500 ~-~- Reorient or relocate the receiving antenna.
Xiaoling 69.12 501 )))
Xiaoye 8.1 502
Xiaoling 69.12 503 (((
Xiaoye 8.1 504 ~-~- Increase the separation between the equipment and receiver.
Xiaoling 69.12 505 )))
Xiaoye 8.1 506
Xiaoling 69.12 507 (((
Xiaoye 8.1 508 ~-~- Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
Xiaoling 69.12 509 )))
Xiaoye 8.1 510
Xiaoling 69.12 511 (((
Xiaoye 8.1 512 ~-~- Consult the dealer or an experienced radio/TV technician for help.
Xiaoling 69.12 513 )))
Xiaoye 8.1 514
515
Xiaoling 69.12 516 (((
Xiaoye 8.1 517 Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment.
Xiaoling 69.12 518 )))
Xiaoye 8.1 519
520
Xiaoling 69.12 521 (((
Xiaoye 8.1 522 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.
523 )))
Xiaoling 69.12 524 )))