Version 83.4 by Xiaoling on 2022/08/23 10:01

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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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Xiaoling 69.2 6
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Xiaoye 5.1 10
11 **Table of Contents:**
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13 {{toc/}}
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Xiaoling 83.2 16
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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
Kilight Cao 11.1 71 == **1.3 Features** ==
Xiaoye 6.2 72
Xiaoling 69.2 73
Xiaoye 6.2 74 * Open Source Debian system
75 * Managed by Web GUI, SSH via WAN or WiFi
Edwin Chen 45.1 76 * Remote Management
Edwin Chen 49.1 77 * Auto-provisioning for batch deployment and management
Xiaoye 6.2 78 * LoRaWAN Gateway
79 * 10 programmable parallel demodulation paths
Xiaoye 26.1 80 * Pre-configured to support different LoRaWAN regional settings.
Kilight Cao 11.1 81 * Allow customizing LoRaWAN regional parameters.
Edwin Chen 45.1 82 * Different kinds of LoRaWAN Connections such as
83 ** Semtech UDP Packet Forwarder
84 ** LoRaWAN Basic Station
85 ** ChirpStack-Gateway-Bridge (MQTT)
Xiaoling 69.2 86 * Built-in (% style="color:#037691" %)//**The Things Network**//(%%) local LoRaWAN server
87 * Built-in  (% style="color:#037691" %)//**Node-Red**// (%%)local Application server
Xiaoye 6.2 88
Xiaoling 83.3 89
90
Kilight Cao 11.1 91 == **1.4 Block Diagram** ==
Xiaoye 6.2 92
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Xiaoling 69.3 94
Xiaoye 35.1 95 == **1.5 LED Indicators** ==
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Xiaoling 69.3 97
Xiaoye 35.1 98 LPS8-V2 has totally four LEDs, They are:
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100
Xiaoling 69.3 101 (% style="color:blue" %)//**➢ Power LED**//(%%)//: This RED LED will be solid if the device is properly powered//
Xiaoye 35.1 102
Xiaoling 69.3 103 (% style="color:blue" %)//**➢ LoRa LED**//(%%)//: This RGB LED will blink GREEN when the LoRaWAN module starts or transmit a packet//
Xiaoye 35.1 104
Xiaoling 69.3 105 (% style="color:blue" %)//**➢ SYS LED**//(%%)//: This RGB LED will show different colors in different states~://
Xiaoye 35.1 106
Xiaoling 69.3 107 // ✓ **SOLID BLUE:** The device is alive with a LoRaWAN server connection.//
Xiaoye 35.1 108
Xiaoling 69.3 109 // ✓ **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 35.1 110
Xiaoling 69.4 111 // ✓** SOLID RED:** Device doesn't have an Internet connection.//
Xiaoye 35.1 112
Xiaoling 69.3 113 (% style="color:blue" %)//**➢ ETH LED**//(%%)//: This LED shows the ETH interface connection status.//
Xiaoye 35.1 114
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Xiaoling 69.3 116
Xiaoye 26.1 117 = **2. Quick Start** =
Xiaoye 8.1 118
Xiaoling 69.4 119
Xiaoye 26.1 120 The LPS8-V2 supports network access via Ethernet or Wi-Fi connection and runs without a network.
Xiaoye 8.1 121
Xiaoye 26.1 122 In most cases, the first thing you need to do is make the lps8-v2 accessible to the network.
Xiaoye 8.1 123
124
Xiaoling 69.4 125
Xiaoye 35.1 126 == **2.1 Connects to the network and accesses the gateway Web UI** ==
Xiaoye 8.1 127
128
Xiaoye 35.1 129 == **2.1.1 connect the network.** ==
Xiaoye 8.1 130
131
Xiaoling 69.4 132 === (% style="color:blue" %)**Method 1**(%%):  Connect via Ethernet with DHCP IP from the router ===
Xiaoye 26.1 133
Xiaoling 69.4 134
Xiaoling 69.10 135 (((
Xiaoye 35.1 136 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 69.10 137 )))
Xiaoye 26.1 138
Xiaoling 69.10 139 (((
Xiaoye 35.1 140 You can also use this IP to connect.
Xiaoling 69.10 141 )))
Xiaoye 35.1 142
143 [[image:image-20220622100129-1.png||height="332" width="1263"]]
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Xiaoling 69.4 147 === (% style="color:blue" %)**Method 2**(%%):  Connect via WiFi with DHCP IP from the router ===
Xiaoye 35.1 148
Xiaoling 69.4 149
Xiaoye 35.1 150 [[image:image-20220622100542-2.png||height="369" width="1256"]]
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Xiaoling 69.11 153 (((
Xiaoye 35.1 154 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 69.11 155 )))
Xiaoye 35.1 156
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Xiaoling 69.4 159 (% style="color:#037691" %)**Steps to connect via fallback IP:**
Xiaoye 35.1 160
Xiaoling 69.11 161 ~1. Connect PC's Ethernet port to LPS8-V2's WAN port
Xiaoling 69.4 162
Xiaoye 35.1 163 2. Configure PC's Ethernet port has  IP: 172.31.255.253 and Netmask: 255.255.255.252
164
Xiaoling 83.3 165
Xiaoye 35.1 166 [[image:image-20220622101433-4.png]]
167
168
169 and then On the PC, use the IP address **http:~/~/172.31.255.254** to access the LPS8-V2 via Web or Console.
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172 [[image:image-20220622102210-5.png||height="569" width="1039"]]
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Xiaoling 69.4 175 Fill in the WiFi information by checking the box and clicking (% style="color:red" %)**Save&Apply**
Xiaoye 35.1 176
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178 [[image:image-20220622102702-6.png]]
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Xiaoling 69.4 181
Xiaoye 35.1 182 **Wi-Fi configuration successful**
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185 [[image:image-20220622102847-7.png]]
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Xiaoling 69.4 187
Xiaoye 35.1 188 [[image:image-20220622102901-8.png||height="513" width="1011"]]
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Xiaoye 26.1 192 == **2.2 The LPS8-V2 is registered and connected to The Things Network** ==
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Xiaoye 41.1 195 === **2.2.1 Select your area frequency** ===
Xiaoye 26.1 196
Xiaoling 69.4 197
Xiaoling 69.12 198 (((
Xiaoye 41.1 199 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 83.3 200
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Xiaoling 69.12 202 )))
Xiaoye 26.1 203
Xiaoye 41.1 204 [[image:image-20220622103332-9.png]]
Xiaoye 26.1 205
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Xiaoling 69.4 207
Xiaoye 41.1 208 === **2.2.2 Get the only gateway EUI** ===
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Xiaoling 69.4 210
Xiaoye 41.1 211 Every LPS8-V2 has a unique gateway id. The ID can be found on LoRaWAN Semtech page:
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Xiaoling 83.4 213
Xiaoye 41.1 214 [[image:image-20220622103355-10.png]]
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Xiaoling 69.4 217 (% style="color:red" %)**Note: Choose the cluster that corresponds to a specific Gateway server address**
Xiaoye 41.1 218
Xiaoling 69.4 219
Xiaoye 41.1 220 **➢ Europe 1:**  corresponding Gateway server address:  **eu1.cloud.thethings.network**
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222 **➢ North America 1:**  corresponding Gateway server address:  **nam1.cloud.thethings.network**
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224 **➢ Australia 1: ** corresponding Gateway server address:  **au1.cloud.thethings.network**
225
226 **➢ Legacy V2 Console:** TTN v2 shuts down in December 2021
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229 [[image:image-20220622103956-12.png]]
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Xiaoling 83.4 233 == **2.2.3 Register the gateway to The Things Network** ==
Xiaoye 41.1 234
Xiaoling 69.4 235
Xiaoye 41.1 236 **Login to The Things Network**
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238 [[https:~~/~~/console.cloud.thethings.network/>>https://console.cloud.thethings.network/]]
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Xiaoling 69.4 240
Xiaoye 41.1 241 **Add the gateway**
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243 [[image:image-20220622104252-13.png||height="511" width="953"]]
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246 **Get it online**
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Xiaoling 69.4 249
Kilight Cao 15.1 250 = **3. Web Configure Pages** =
Xiaoye 8.1 251
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Kilight Cao 15.1 253 == **3.1 Home** ==
Kilight Cao 11.1 254
Xiaoling 69.4 255
Kilight Cao 23.1 256 //Shows the system running status~://
Kilight Cao 15.1 257
Xiaoling 69.4 258
Xiaoling 83.4 259
Kilight Cao 15.1 260 == **3.2 LoRa Settings** ==
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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
Xiaoling 83.4 276
Kilight Cao 23.1 277 (% class="wikigeneratedid" %)
278 [[image:image-20220616110739-1.png||height="372" width="682"]]
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Xiaoling 69.4 281 (((
Xiaoling 69.5 282 (% 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 69.4 283 )))
Kilight Cao 23.1 284
285
286
287 == **3.3 LoRaWAN Settings** ==
288
289
290 === **3.3.1 LoRaWAN ~-~-> LoRaWAN Semtech UDP** ===
291
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293 //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.//
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Xiaoling 83.4 295
Kilight Cao 23.1 296 [[image:image-20220616111932-2.png||height="516" width="672"]]
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Xiaoling 69.5 299
Kilight Cao 23.1 300 === **3.3.2 LoRaWAN ~-~-> LoRaWAN Basic Station** ===
301
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303 //This page is for the connection set up to the TTN Basic Station, AWS-IoT, etc.//
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Xiaoling 83.4 305
Kilight Cao 23.1 306 [[image:image-20220616113246-3.png||height="396" width="672"]]
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Xiaoling 69.12 309 (((
Kilight Cao 23.1 310 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 69.12 311 )))
Kilight Cao 23.1 312
313
Xiaoling 69.5 314
Kilight Cao 23.1 315 == **3.4 Network Settings** ==
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318 === **3.4.1 Network ~-~-> WiFi** ===
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321 [[image:image-20220616114756-4.png||height="251" width="669"]]
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Xiaoling 69.5 324
Kilight Cao 23.1 325 === **3.4.2 Network ~-~-> System Status** ===
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Xiaoye 83.1 328 [[image:image-20220820134112-2.png||height="539" width="668"]]
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Xiaoling 69.5 331
Kilight Cao 23.1 332 === **3.4.3 Network ~-~-> Firewall** ===
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335 [[image:image-20220616115351-6.png||height="244" width="661"]]
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Xiaoling 69.5 338
Kilight Cao 23.1 339 == **3.5 System** ==
340
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342 === **3.5.1  System ~-~-> System Overview** ===
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345 Shows the system info:
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Xiaoling 69.5 348
Kilight Cao 23.1 349 === **3.5.2 System ~-~-> Backup/Restore** ===
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352 [[image:image-20220616115808-7.png||height="194" width="649"]]
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Xiaoye 83.1 356 = **4. Build-in Server** =
Xiaoye 53.1 357
Xiaoling 83.4 358
Xiaoye 83.1 359 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 53.1 360
Xiaoling 83.4 361
Xiaoye 83.1 362 [[image:image-20220820115644-1.png]]
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Xiaoling 83.4 365 (% style="color:red" %)**Note:**
Kilight Cao 58.1 366
Xiaoye 83.1 367 **Path**: System ~-~-> Built-in Server
Kilight Cao 58.1 368
369
Xiaoye 83.1 370 **Troubleshooting:**
Kilight Cao 59.1 371
Xiaoye 60.1 372
Xiaoye 83.1 373 **~ 1. URL does not jump properly**
Xiaoye 60.1 374
Xiaoye 83.1 375 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 60.1 376
Xiaoye 83.1 377 For the Node-Red, you can use the local IP address and the port is 18880 to access it.
Kilight Cao 57.1 378
379
Xiaoling 83.4 380
Xiaoye 83.1 381 == **4.1 LoRaWAN Network  Server ~-~- The Things Network - Stack (TTN-V3)** ==
Kilight Cao 58.1 382
Xiaoling 83.4 383
Xiaoye 83.1 384 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 69.5 385
Xiaoye 83.1 386 Such as  (% style="background-color:yellow" %)__**//http:~/~/dragino-54ff12:8080  or http:~/~/<Local-IPV4-Address>//**__
Xiaoye 67.1 387
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Xiaoye 83.1 389 Login account:
Xiaoling 69.5 390
Xiaoye 83.1 391 **User ID: ** ** (% style="background-color:yellow" %)admin(%%)**
Xiaoye 53.1 392
Xiaoye 83.1 393 **Password: ** ** (% style="background-color:yellow" %)dragino(%%)**
Xiaoye 53.1 394
Kilight Cao 59.1 395
Xiaoye 83.1 396 [[image:image-20220725171719-1.png||height="570" width="769"]]
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398
Xiaoye 60.1 399
Xiaoye 83.1 400 == **4.2. Application Server ~-~- Node-Red** ==
Xiaoling 69.6 401
Xiaoye 53.1 402
Xiaoye 83.1 403 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 53.1 404
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Xiaoling 83.4 406 Such as (% style="background-color:yellow" %)__**//http:~/~/dragino-54ff12:8080  or http:~/~/<Local-IPV4-Address>//**__
Xiaoye 61.1 407
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Xiaoye 83.1 409 [[image:image-20220725172124-3.png||height="610" width="843"]]
Xiaoye 61.1 410
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Kilight Cao 74.1 413 = **6. How users can access LPS8v2 using serial USB** =
Xiaoling 69.6 414
Kilight Cao 74.1 415
Kilight Cao 79.1 416 **USB TTL to LPS8v2  Connection:**
Kilight Cao 74.1 417
418 Port 1 of the UART on the LPS8v2 is GND
419
Kilight Cao 79.1 420 (% class="box infomessage" %)
421 (((
Kilight Cao 74.1 422 TXD  <~-~--> UART RXD (Gray line)
423
424 RXD  <~-~--> UART TXD (White line)
425
426 GND <~-~--> GND (Black line)
Kilight Cao 79.1 427 )))
Kilight Cao 74.1 428
429
Kilight Cao 77.1 430 **LPS8v2 UART connection photo**
431
432 [[image:image-20220804163015-1.png||height="621" width="466"]]
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Kilight Cao 78.1 436 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 77.1 437
Xiaoling 83.4 438
Kilight Cao 77.1 439 [[image:image-20220804164928-3.png||height="320" width="332"]]
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Xiaoling 83.4 441
Kilight Cao 77.1 442 [[image:image-20220804164747-2.png||height="622" width="594"]]
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Xiaoling 83.4 444
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Kilight Cao 23.1 446 (% style="color:inherit; font-family:inherit; font-size:29px" %)**10. Supports**
447
Xiaoling 69.6 448
Kilight Cao 14.1 449 (((
450 **//If you are experiencing issues and can't solve them, you can send mail to [[support@dragino.com>>mailto:support@dragino.com]].//**
451 )))
Xiaoye 8.1 452
Kilight Cao 14.1 453 (((
454 **//With your question as detailed as possible. We will reply and help you in the shortest.//**
Kilight Cao 15.1 455
Edwin Chen 50.1 456
Xiaoling 69.6 457
Edwin Chen 50.1 458 = **11 Reference** =
459
Xiaoling 69.6 460
Edwin Chen 52.1 461 * Install Tago Core: Refer **Install Tago Core in LPS8v2** in[[ Instruction>>doc:Main.Tago\.IO.WebHome]].
Edwin Chen 80.1 462 * [[Advance OS Reference Guide for LPS8v2>>doc:Main.Armbian OS instruction.WebHome]].
Edwin Chen 50.1 463
Xiaoling 83.4 464
465
Kilight Cao 15.1 466
Kilight Cao 14.1 467 )))
Xiaoye 8.1 468
Edwin Chen 50.1 469 = **12. Order Info** =
Xiaoye 8.1 470
Xiaoling 69.6 471
Edwin Chen 42.1 472 (% style="color:#0000ff" %)**LPS8v2-XXX-YYY**
Xiaoye 8.1 473
Kilight Cao 14.1 474 (% style="color:#0000ff" %)**XXX**(% style="color:black" %): Frequency Band
Xiaoye 8.1 475
Xiaoling 69.6 476 * (% style="color:red" %)**AS923**(%%): LoRaWAN AS923 band
477 * (% style="color:red" %)**AU915**(%%): LoRaWAN AU915 band
478 * (% style="color:red" %)**EU868**(%%): LoRaWAN EU868 band
479 * (% style="color:red" %)**KR920**(%%): LoRaWAN KR920 band
480 * (% style="color:red" %)**US915**(%%): LoRaWAN US915 band
481 * (% style="color:red" %)**IN865**(%%):  LoRaWAN IN865 band
Xiaoye 8.1 482
Edwin Chen 42.1 483 (% style="color:#0000ff" %)**YYY**(% style="color:black" %): 4G Cellular Option
484
Xiaoling 69.6 485 * (% style="color:red" %)**E**(%%):  EMEA, Korea, Thailand, India.
486 * (% style="color:red" %)**A**(%%):  North America/ Rogers/AT&T/T-Mobile.
487 * (% style="color:red" %)**AU**(%%): Latin America, New Zeland, Taiwan
488 * (% style="color:red" %)**J**(%%):  Japan, DOCOMO/SoftBank/ KDDI
Edwin Chen 42.1 489
490 More info about valid bands, please see [[EC25-E product page>>url:https://www.quectel.com/product/ec25.htm]].
491
492
Xiaoling 69.6 493
Edwin Chen 50.1 494 = **13. Manufacturer Info** =
Xiaoye 8.1 495
Xiaoling 69.6 496
Xiaoye 8.1 497 **Shenzhen Dragino Technology Development co. LTD**
498
499 Room 202, Block B, BCT Incubation Bases (BaoChengTai),  No.8 CaiYunRoad
500
501 LongCheng Street, LongGang District ; Shenzhen 518116,China
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503
Xiaoling 69.6 504
Edwin Chen 50.1 505 = **14. FCC Warning** =
Xiaoye 8.1 506
Xiaoling 69.6 507
Xiaoling 69.12 508 (((
Xiaoye 8.1 509 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 69.12 510 )))
Xiaoye 8.1 511
Xiaoling 69.12 512 (((
Xiaoye 8.1 513 ~-~- Reorient or relocate the receiving antenna.
Xiaoling 69.12 514 )))
Xiaoye 8.1 515
Xiaoling 69.12 516 (((
Xiaoye 8.1 517 ~-~- Increase the separation between the equipment and receiver.
Xiaoling 69.12 518 )))
Xiaoye 8.1 519
Xiaoling 69.12 520 (((
Xiaoye 8.1 521 ~-~- Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
Xiaoling 69.12 522 )))
Xiaoye 8.1 523
Xiaoling 69.12 524 (((
Xiaoye 8.1 525 ~-~- Consult the dealer or an experienced radio/TV technician for help.
Xiaoling 69.12 526 )))
Xiaoye 8.1 527
528
Xiaoling 69.12 529 (((
Xiaoye 8.1 530 Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment.
Xiaoling 69.12 531 )))
Xiaoye 8.1 532
533
Xiaoling 69.12 534 (((
Xiaoye 8.1 535 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.
Xiaoling 83.4 536
537
Xiaoye 8.1 538 )))
Xiaoling 69.12 539 )))