Dragino -NB/-CB device connection to AWS platform instructions

c. After clicking to enter the policy configuration page, follow the clicking sequence below to go to the json configuration interface, and then fill in the following fields in the "statement" keyword:

37

38

39

**{

40

"Version": "2012-10-17",

"Statement": [

{

"Effect": "Allow",

"Action": "iot:*",

"Resource": "*"

}

]

}**

[[image:image-20250103151957-1.png||height="529" width="935"]]

53

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d. Create this policy

55

56

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= 3. Create a Things =

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== 3.1 Create a single Things ==

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(% style="color:blue" %)**1. Select Create Things**

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[[image:image-20240528173244-5.png||height="329" width="932"]]

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[[image:image-20240528173500-6.png||height="484" width="928"]]

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(% style="color:blue" %)**2. Fill in the name of the control item you want to create in the thing name column**

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Use the default for other parameters

Then click Next.

[[image:image-20240528173754-7.png||height="712" width="781"]]

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(% style="color:blue" %)**3. Choose to automatically generate a new certificate**

Then click Next

[[image:image-20240528173829-8.png||height="547" width="782"]]

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(% style="color:blue" %)**4. The next step is to choose a strategy**

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Here you can choose a policy we created in the first step

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[[image:image-20240528173851-9.png||height="580" width="785"]]

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(% style="color:blue" %)**5. When you click to create things, the certificate download page will pop up**

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**This certificate is very important.** After creating the device, you must download the certificate of the device so that our NB device can connect normally.

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Please download all the following certificates and put them in a folder.

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[[image:image-20240528173926-10.png]]

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(% style="color:blue" %)**6. You can see the things you just created in the things**

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[[image:image-20240528173951-11.png||height="381" width="1089"]]

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= 4. Connect to AWS using Dragino-NB device =

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(% id="cke_bm_37736S" style="color:red; display:none" %)** **(% style="color:red" %)**Note: **(%%)In order to avoid problems with certificate writing, you need to set the serial port assistant to automatically add a newline character when sending commands, if there is no such newline character, the certificate written will be invalid.(Using the serial port assistant as an example)

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[[image:image-20240822090554-1.png||height="501" width="656"]]

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== 4.1 For -NB /-NS model ==

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=== 4.1.1 Upgrade the firmware to configure TLS firmware to set the certificate ===

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User can change device firmware to::

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* Update with new features.

* Fix bugs.

Firmware and changelog can be downloaded from : **[[Set up TLS certificate - Dropbox>>https://www.dropbox.com/scl/fo/1ykfsesmr3702tj3kp663/AOOyH1GiVEOGR41gASuiDk0?rlkey=1q7a1b5yvjgt87d16w8tt0cum&st=vdy765ut&dl=0||data-sider-select-id="830d1b64-cb24-48b3-91e4-49da5c3f0783"]]**

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Methods to Update Firmware:

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* (Recommended way) OTA firmware update via BLE: [[**Instruction**>>url:http://wiki.dragino.com/xwiki/bin/view/Main/BLE_Firmware_Update_NB_Sensors_BC660K-GL/]].

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* Update through UART TTL interface : **[[Instruction>>url:http://wiki.dragino.com/xwiki/bin/view/Main/UART_Access_for_NB_ST_BC660K-GL/#H4.2UpdateFirmware28Assumethedevicealreadyhaveabootloader29]]**.

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=== 4.1.2 Configure certificate ===

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After upgrade the firmware, the serial port displays as follows：

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[[image:image-20250306113602-1.png||height="401" width="856"]]

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==== 4.1.2.1 Configure CA certificate ====

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Please input the certificate in PEM format for the user.

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Use the AT command AT+CACERT as follows:

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AT+CACERT=~-~-~-~--BEGIN CERTIFICATE~-~-~-~--

150

151

MIIDQTCCAimgAwIBAgITBmyfz5m/jAo54vB4ikPmljZbyjANBgkqhkiG9w0BAQsF

152

153

ADA5MQswCQYDVQQGEwJVUzEPMA0GA1UEChMGQW1hem9uMRkwFwYDVQQDExBBbWF6

154

155

b24gUm9vdCBDQSAxMB4XDTE1MDUyNjAwMDAwMFoXDTM4MDExNzAwMDAwMFowOTEL

156

157

MAkGA1UEBhMCVVMxDzANBgNVBAoTBkFtYXpvbjEZMBcGA1UEAxMQQW1hem9uIFJv

158

159

b3QgQ0EgMTCCASIwDQYJKoZIhvcNAQEBBQADggEPADCCAQoCggEBALJ4gHHKeNXj

160

161

ca9HgFB0fW7Y14h29Jlo91ghYPl0hAEvrAIthtOgQ3pOsqTQNroBvo3bSMgHFzZM

162

163

9O6II8c+6zf1tRn4SWiw3te5djgdYZ6k/oI2peVKVuRF4fn9tBb6dNqcmzU5L/qw

164

165

IFAGbHrQgLKm+a/sRxmPUDgH3KKHOVj4utWp+UhnMJbulHheb4mjUcAwhmahRWa6

166

167

VOujw5H5SNz/0egwLX0tdHA114gk957EWW67c4cX8jJGKLhD+rcdqsq08p8kDi1L

168

169

93FcXmn/6pUCyziKrlA4b9v7LWIbxcceVOF34GfID5yHI9Y/QCB/IIDEgEw+OyQm

170

171

jgSubJrIqg0CAwEAAaNCMEAwDwYDVR0TAQH/BAUwAwEB/zAOBgNVHQ8BAf8EBAMC

172

173

AYYwHQYDVR0OBBYEFIQYzIU07LwMlJQuCFmcx7IQTgoIMA0GCSqGSIb3DQEBCwUA

174

175

A4IBAQCY8jdaQZChGsV2USggNiMOruYou6r4lK5IpDB/G/wkjUu0yKGX9rbxenDI

176

177

U5PMCCjjmCXPI6T53iHTfIUJrU6adTrCC2qJeHZERxhlbI1Bjjt/msv0tadQ1wUs

178

179

N+gDS63pYaACbvXy8MWy7Vu33PqUXHeeE6V/Uq2V8viTO96LXFvKWlJbYK8U90vv

180

181

o/ufQJVtMVT8QtPHRh8jrdkPSHCa2XV4cdFyQzR1bldZwgJcJmApzyMZFo6IQ6XU

182

183

5MsI+yMRQ+hDKXJioaldXgjUkK642M4UwtBV8ob2xJNDd2ZhwLnoQdeXeGADbkpy

184

185

rqXRfboQnoZsG4q5WTP468SQvvG5

186

187

~-~-~-~--END CERTIFICATE~-~-~-~--}

188

189

(% style="color:red" %)**Note: Be sure to add a terminator "}" at the end of the command. Otherwise, the command will not execute successfully.**

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191

[[image:image-20240528174408-14.png]]

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194

After successful execution, as shown in the following figure.

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[[image:image-20250306113849-2.png||height="742" width="456"]]

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Display (% style="color:blue" %)**"Successfully configured CA certificate."**(%%) If the configuration is successful, otherwise it is considered configuration failure.

199

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201

==== 4.1.2.2 Configure client certificate ====

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Use the AT command AT+CLICERT as follows：

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AT+CLICERT=~-~-~-~--BEGIN CERTIFICATE~-~-~-~--

207

208

MIIDWTCCAkGgAwIBAgIUYSpJUzfb4NTa76JJxd2th0fZA8swDQYJKoZIhvcNAQEL

209

210

BQAwTTFLMEkGA1UECwxCQW1hem9uIFdlYiBTZXJ2aWNlcyBPPUFtYXpvbi5jb20g

211

212

SW5jLiBMPVNlYXR0bGUgU1Q9V2FzaGluZ3RvbiBDPVVTMB4XDTI0MDUyNDA4MDI0

213

214

NVoXDTQ5MTIzMTIzNTk1OVowHjEcMBoGA1UEAwwTQVdTIElvVCBDZXJ0aWZpY2F0

215

216

ZTCCASIwDQYJKoZIhvcNAQEBBQADggEPADCCAQoCggEBAMTdc1GQLVBohAeCJD6n

217

218

6WTFAFrygTch90a5wUr2bhlVuDxvEhEKNcmu5vOCo5agmfLWb2VCxgezgvQOBYQ8

219

220

1oTqXJNdl4tS0DICfqb/ogVHWGHRao67XyhbPNBS0j/nCPTIIk6+/NBeYPOjaG+p

221

222

utfXE7SGIEcc3RevkYkUJx6y+WH7MLjj1mufuXBVWIL1RrfrIRPw6auVk7dhS5rU

223

224

NvYcJa7Qd6gpAh1DzPj7ZECrv7fEIIBDEsSYOy6ToWtzqGIVcIAHBDfORB0Hcm+N

225

226

7wG3KDf61P4aWkLlkP5pRUaUIQdVblxginmx2K3n8t/WP7QcfITa191rjEVVBXmk

227

228

ROsCAwEAAaNgMF4wHwYDVR0jBBgwFoAUs8Caohh1ZGP8kjSn3rtxJiJJ9IswHQYD

229

230

VR0OBBYEFCjwGwqD7FG9UCNm3wjFQX4HixzfMAwGA1UdEwEB/wQCMAAwDgYDVR0P

231

232

AQH/BAQDAgeAMA0GCSqGSIb3DQEBCwUAA4IBAQBgqI49a4PBQZYrFM63TX3EHgdd

233

234

N6Pj7AytjO+SrKNMCSo/OtIvhDTxOocr1vKrux1Tw5qmrllrIXLtlGtbmln5DS6a

235

236

DTCLrjwcIFIabLxpx5DPY1WSMYvL04SW7d4Y+3SxOFNRotDSiomr8eIIac0d3HE2

237

238

B5b0SnWZgWbrhjNUgvwo8l8tA9DOGIr2MeQ5kPjudOOiYSR3HC0v+jviBMV6VX8M

239

240

LHVH3CRshHDKBGpV1NZ1RAm9EY/oRGtSiMsyjRh6hegC0vehwVxaC4w9qG0ASkzz

241

242

42OOGfNqhYnYDiKTEIkazaoAFpTKDejWBaL7W5VpthUkQOl67IyX+ohuUKTo

243

244

~-~-~-~--END CERTIFICATE~-~-~-~--}

245

246

(% style="color:red" %)**Note: Be sure to add a terminator "}" at the end of the command. Otherwise, the command will not execute successfully.**

247

248

[[image:image-20240528174630-16.png||height="553" width="747"]]

249

250

Display (% style="color:blue" %)**"Successfully configured client certificate."**(%%) Configuration successful, otherwise configuration failed.

251

252

253

==== 4.1.2.3 Configure client private key ====

254

255

256

Use the AT command AT+CLIKEY, as shown below

257

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AT+CLIKEY=~-~-~-~--BEGIN RSA PRIVATE KEY~-~-~-~--

259

260

MIIEpAIBAAKCAQEAxN1zUZAtUGiEB4IkPqfpZMUAWvKBNyH3RrnBSvZuGVW4PG8S

261

262

EQo1ya7m84KjlqCZ8tZvZULGB7OC9A4FhDzWhOpck12Xi1LQMgJ+pv+iBUdYYdFq

263

264

jrtfKFs80FLSP+cI9MgiTr780F5g86Nob6m619cTtIYgRxzdF6+RiRQnHrL5Yfsw

265

266

uOPWa5+5cFVYgvVGt+shE/Dpq5WTt2FLmtQ29hwlrtB3qCkCHUPM+PtkQKu/t8Qg

267

268

gEMSxJg7LpOha3OoYhVwgAcEN85EHQdyb43vAbcoN/rU/hpaQuWQ/mlFRpQhB1Vu

269

270

XGCKebHYrefy39Y/tBx8hNrX3WuMRVUFeaRE6wIDAQABAoIBAFhAOcjvjBDGuaEw

271

272

CxV3al49HfqnSZuwg0xWSztSm2qKDcwxsnSnEhO2b1vsTW9h0YGV9Vv8gg/Dvkmv

273

274

23M7XqM4+IUraJsRZbl1etdcM4KQSCOZoF4Zyv+pXuq4pf31kQNCkHaikWzLUkUG

275

276

FPQxr0vA49mCYwfd/ZL3ppM/0IWmxRwloV1Gb9q8iDBUcJGSDokZnT7diUxzzOcd

277

278

+UJ6xUhFq1v46Y7vO+73XROLv34JEBC0bIw2ErL6+AbzhHwb2mkuSccG9Ks37g3Z

279

280

dyyjjj8hm1wvHWepuWqEssaiS3HD5zAsI0v85xS8RwNj3zLfd8o1WC666n3CO+ij

281

282

VdRmR4kCgYEA+/sEFxpfaRomqcLwJebZcZH06U1RfJFfnbH2/Q6fANf8zNxwWs9A

283

284

O+jyk/CLhHYRIk6VIOMQmWwEYgJ2eAHfw2Diwj4/0eqkGu+yZOS6KTCewxSV73vc

285

286

SvACramJy4y6yEgDN5onwR1XqfVMfA0LzTcSupHR/xvrpf/gCsNFPxUCgYEAyAFd

287

288

nMUhJFSq3pOogxA43aJSkA8YuDS3jpBkKQ6vx81APpIMabQauOxFDt488TZGP3Yy

289

290

lhpa/lfFIgu2K7CgV4dUp+JtJJoZ/F+ExxUUzdqB4zxzWywAcc3RebfwP6qASwFT

291

292

G3mXYci4tgNWR+k5CSsuLXDk/OT5uo5GeGAEc/8CgYEAk6V8uxDP8STKnNRFpN/E

293

294

b6CHciDE64m/DgbWY2cq0fK9BUjxaLRhvfj8EqVzCrWnyoNjLHcAJfW+B7PLuPvY

295

296

IoJlvE1/Vb/4UnQ7ApVnY3VCwaoRRNc9uIcz+pAJ1sRqOarAf9cLDkPkNwktvM5k

297

298

KOXpSnrhIms4w/bPT18l9xUCgYBsAMDKbXEuK0JyGw5+Z/4tQQCQpnZU0rLkm3ha

299

300

64FkxaORplBprEZZ4cyQ8NW78/EPSAadI/JLMp5TejuPcDvFyGCgoBcMEuNBc1tC

301

302

HlIzr3FAgl5Qt3wt+FTMA9YKq0nINxjn10s2FKwaLccj4f9YwiaXh0VAg22PnlDT

303

304

pBYDhQKBgQCMwyKXJ4zYiDRdvLvgKzeuKaU4KNQItHE4KORPfkecjPoENt4bKxDw

305

306

2EdNFQLIoqBHL1s+/8+SzhCI31V7pkTs1AqCxDExJS7+8Z5NQFQIo/jooUo0N80E

307

308

y3ZZS6OLOXXscEqhMogf1grfbabXM9OkgTIq43cPQHtMGQiFAtIJkg==

309

310

~-~-~-~--END RSA PRIVATE KEY~-~-~-~--}

311

312

(% style="color:red" %)**Note: Be sure to add a terminator "}" at the end of the command. Otherwise, the command will not execute successfully.**

313

314

[[image:image-20240528174702-17.png]]

315

316

Display(% style="color:blue" %)** "Successfully configured client private key."**(%%) If the configuration is successful, otherwise it is considered configuration failure.

317

318

319

==== 4.1.2.4 Re-upgrade the firmware ====

320

321

322

After completing the certificate configuration, Burn the [[bootloader>>https://www.dropbox.com/sh/u0uzvvnn58yrie4/AAAvvF_KRveNgmDejzp23ziLa/NB-IoT/Bootloader?dl=0&subfolder_nav_tracking=1]] firmware first, then re-burn the original working [[firmware>>https://www.dropbox.com/sh/u0uzvvnn58yrie4/AACREHllkTe0rATD4ZOqddyga/NB-IoT?dl=0]].

323

324

325

==== 4.1.2.5 Certificate Management for -NB/-NS Models ====

326

327

328

The -NB/-NS modules (BC660K) do not support clearing certificates via AT commands or firmware updates.

329

330

To effectively remove existing certificates or test certificate upload functionality, users may overwrite them with dummy data.

331

332

To effectively "clear" existing certificates, users may overwrite them with arbitrary data by following these steps:

333

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**Scenario A:** Clearing Existing Certificates

335

336

If users want to remove old certificates:

337

338

1.

339

Connect to the module via serial/USB and open a terminal (e.g., PuTTY, Tera Term).

Use the standard AT commands (AT+CACERT, AT+CLICERT, AT+CLIKEY) to write non-certificate data (e.g., random strings like 123456).

Example:

AT+CACERT=123456}

AT+CLICERT=123456}

AT+CLIKEY=123456}

2. Upload Valid Certificates (Optional):

353

354

After overwriting, users may proceed to upload new valid certificates if needed.

355

356

357

== 4.2 For -CB /-CS model ==

358

359

=== 4.2.1 Upgrade the firmware to configure TLS firmware to set the certificate ===

360

361

362

User can change device firmware to::

363

364

* Update with new features.

* Fix bugs.

Firmware and changelog can be downloaded from : **[[Set up TLS certificate - Dropbox>>https://www.dropbox.com/scl/fo/mk9u5ux3cfo94ke0s67ik/ADOIOdwIQfCO2WUZt0MxXyU?rlkey=7o6uaywrebbnsvuj4r0r694x6&st=smrmjj7t&dl=0||data-sider-select-id="830d1b64-cb24-48b3-91e4-49da5c3f0783"]]**

369

370

Methods to Update Firmware:

371

372

* Update through UART TTL interface : **[[Instruction>>url:http://wiki.dragino.com/xwiki/bin/view/Main/UART_Access_for_NB_ST_BC660K-GL/#H4.2UpdateFirmware28Assumethedevicealreadyhaveabootloader29]]**.

373

374

=== 4.2.2 Configure certificate ===

375

376

377

After upgrade the firmware, the serial port displays as follows：

378

379

[[image:image-20250306114107-2.png||height="371" width="744"]]

380

381

382

==== 4.2.2.1 Configure CA certificate ====

383

384

(% style="color:red" %)**Note:You should select one of the certificates.Either CA1 or CA3 can be used**

385

386

Please input the certificate in PEM format for the user.

387

388

Use the AT command AT+CACERT as follows:

389

390

AT+CACERT=~-~-~-~--BEGIN CERTIFICATE~-~-~-~--

391

392

MIIDQTCCAimgAwIBAgITBmyfz5m/jAo54vB4ikPmljZbyjANBgkqhkiG9w0BAQsF

393

394

ADA5MQswCQYDVQQGEwJVUzEPMA0GA1UEChMGQW1hem9uMRkwFwYDVQQDExBBbWF6

395

396

b24gUm9vdCBDQSAxMB4XDTE1MDUyNjAwMDAwMFoXDTM4MDExNzAwMDAwMFowOTEL

397

398

MAkGA1UEBhMCVVMxDzANBgNVBAoTBkFtYXpvbjEZMBcGA1UEAxMQQW1hem9uIFJv

399

400

b3QgQ0EgMTCCASIwDQYJKoZIhvcNAQEBBQADggEPADCCAQoCggEBALJ4gHHKeNXj

401

402

ca9HgFB0fW7Y14h29Jlo91ghYPl0hAEvrAIthtOgQ3pOsqTQNroBvo3bSMgHFzZM

403

404

9O6II8c+6zf1tRn4SWiw3te5djgdYZ6k/oI2peVKVuRF4fn9tBb6dNqcmzU5L/qw

405

406

IFAGbHrQgLKm+a/sRxmPUDgH3KKHOVj4utWp+UhnMJbulHheb4mjUcAwhmahRWa6

407

408

VOujw5H5SNz/0egwLX0tdHA114gk957EWW67c4cX8jJGKLhD+rcdqsq08p8kDi1L

409

410

93FcXmn/6pUCyziKrlA4b9v7LWIbxcceVOF34GfID5yHI9Y/QCB/IIDEgEw+OyQm

411

412

jgSubJrIqg0CAwEAAaNCMEAwDwYDVR0TAQH/BAUwAwEB/zAOBgNVHQ8BAf8EBAMC

413

414

AYYwHQYDVR0OBBYEFIQYzIU07LwMlJQuCFmcx7IQTgoIMA0GCSqGSIb3DQEBCwUA

415

416

A4IBAQCY8jdaQZChGsV2USggNiMOruYou6r4lK5IpDB/G/wkjUu0yKGX9rbxenDI

417

418

U5PMCCjjmCXPI6T53iHTfIUJrU6adTrCC2qJeHZERxhlbI1Bjjt/msv0tadQ1wUs

419

420

N+gDS63pYaACbvXy8MWy7Vu33PqUXHeeE6V/Uq2V8viTO96LXFvKWlJbYK8U90vv

421

422

o/ufQJVtMVT8QtPHRh8jrdkPSHCa2XV4cdFyQzR1bldZwgJcJmApzyMZFo6IQ6XU

423

424

5MsI+yMRQ+hDKXJioaldXgjUkK642M4UwtBV8ob2xJNDd2ZhwLnoQdeXeGADbkpy

425

426

rqXRfboQnoZsG4q5WTP468SQvvG5

427

428

~-~-~-~--END CERTIFICATE~-~-~-~--}

429

430

(% style="color:red" %)**Note: Be sure to add a terminator "}" at the end of the command. Otherwise, the command will not execute successfully.**

431

432

[[image:image-20240528174408-14.png]]

433

434

435

After successful execution, as shown in the following figure.

436

437

[[image:image-20250306134213-1.png]]

438

439

Display (% style="color:blue" %)**"Successfully configured CA certificate."**(%%) If the configuration is successful, otherwise it is considered configuration failure.

440

441

442

==== 4.2.2.2 Configure client certificate ====

443

444

445

Use the AT command AT+CLICERT as follows：

446

447

AT+CLICERT=~-~-~-~--BEGIN CERTIFICATE~-~-~-~--

448

449

MIIDWTCCAkGgAwIBAgIUYSpJUzfb4NTa76JJxd2th0fZA8swDQYJKoZIhvcNAQEL

450

451

BQAwTTFLMEkGA1UECwxCQW1hem9uIFdlYiBTZXJ2aWNlcyBPPUFtYXpvbi5jb20g

452

453

SW5jLiBMPVNlYXR0bGUgU1Q9V2FzaGluZ3RvbiBDPVVTMB4XDTI0MDUyNDA4MDI0

454

455

NVoXDTQ5MTIzMTIzNTk1OVowHjEcMBoGA1UEAwwTQVdTIElvVCBDZXJ0aWZpY2F0

456

457

ZTCCASIwDQYJKoZIhvcNAQEBBQADggEPADCCAQoCggEBAMTdc1GQLVBohAeCJD6n

458

459

6WTFAFrygTch90a5wUr2bhlVuDxvEhEKNcmu5vOCo5agmfLWb2VCxgezgvQOBYQ8

460

461

1oTqXJNdl4tS0DICfqb/ogVHWGHRao67XyhbPNBS0j/nCPTIIk6+/NBeYPOjaG+p

462

463

utfXE7SGIEcc3RevkYkUJx6y+WH7MLjj1mufuXBVWIL1RrfrIRPw6auVk7dhS5rU

464

465

NvYcJa7Qd6gpAh1DzPj7ZECrv7fEIIBDEsSYOy6ToWtzqGIVcIAHBDfORB0Hcm+N

466

467

7wG3KDf61P4aWkLlkP5pRUaUIQdVblxginmx2K3n8t/WP7QcfITa191rjEVVBXmk

468

469

ROsCAwEAAaNgMF4wHwYDVR0jBBgwFoAUs8Caohh1ZGP8kjSn3rtxJiJJ9IswHQYD

470

471

VR0OBBYEFCjwGwqD7FG9UCNm3wjFQX4HixzfMAwGA1UdEwEB/wQCMAAwDgYDVR0P

472

473

AQH/BAQDAgeAMA0GCSqGSIb3DQEBCwUAA4IBAQBgqI49a4PBQZYrFM63TX3EHgdd

474

475

N6Pj7AytjO+SrKNMCSo/OtIvhDTxOocr1vKrux1Tw5qmrllrIXLtlGtbmln5DS6a

476

477

DTCLrjwcIFIabLxpx5DPY1WSMYvL04SW7d4Y+3SxOFNRotDSiomr8eIIac0d3HE2

478

479

B5b0SnWZgWbrhjNUgvwo8l8tA9DOGIr2MeQ5kPjudOOiYSR3HC0v+jviBMV6VX8M

480

481

LHVH3CRshHDKBGpV1NZ1RAm9EY/oRGtSiMsyjRh6hegC0vehwVxaC4w9qG0ASkzz

482

483

42OOGfNqhYnYDiKTEIkazaoAFpTKDejWBaL7W5VpthUkQOl67IyX+ohuUKTo

484

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~-~-~-~--END CERTIFICATE~-~-~-~--}

486

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(% style="color:red" %)**Note: Be sure to add a terminator "}" at the end of the command. Otherwise, the command will not execute successfully.**

488

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[[image:image-20240528174630-16.png||height="553" width="747"]]

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Display (% style="color:blue" %)**"Successfully configured client certificate."**(%%) Configuration successful, otherwise configuration failed.

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494

==== 4.2.2.3 Configure client private key ====

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Use the AT command AT+CLIKEY, as shown below

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AT+CLIKEY=~-~-~-~--BEGIN RSA PRIVATE KEY~-~-~-~--

500

501

MIIEpAIBAAKCAQEAxN1zUZAtUGiEB4IkPqfpZMUAWvKBNyH3RrnBSvZuGVW4PG8S

502

503

EQo1ya7m84KjlqCZ8tZvZULGB7OC9A4FhDzWhOpck12Xi1LQMgJ+pv+iBUdYYdFq

504

505

jrtfKFs80FLSP+cI9MgiTr780F5g86Nob6m619cTtIYgRxzdF6+RiRQnHrL5Yfsw

506

507

uOPWa5+5cFVYgvVGt+shE/Dpq5WTt2FLmtQ29hwlrtB3qCkCHUPM+PtkQKu/t8Qg

508

509

gEMSxJg7LpOha3OoYhVwgAcEN85EHQdyb43vAbcoN/rU/hpaQuWQ/mlFRpQhB1Vu

510

511

XGCKebHYrefy39Y/tBx8hNrX3WuMRVUFeaRE6wIDAQABAoIBAFhAOcjvjBDGuaEw

512

513

CxV3al49HfqnSZuwg0xWSztSm2qKDcwxsnSnEhO2b1vsTW9h0YGV9Vv8gg/Dvkmv

514

515

23M7XqM4+IUraJsRZbl1etdcM4KQSCOZoF4Zyv+pXuq4pf31kQNCkHaikWzLUkUG

516

517

FPQxr0vA49mCYwfd/ZL3ppM/0IWmxRwloV1Gb9q8iDBUcJGSDokZnT7diUxzzOcd

518

519

+UJ6xUhFq1v46Y7vO+73XROLv34JEBC0bIw2ErL6+AbzhHwb2mkuSccG9Ks37g3Z

520

521

dyyjjj8hm1wvHWepuWqEssaiS3HD5zAsI0v85xS8RwNj3zLfd8o1WC666n3CO+ij

522

523

VdRmR4kCgYEA+/sEFxpfaRomqcLwJebZcZH06U1RfJFfnbH2/Q6fANf8zNxwWs9A

524

525

O+jyk/CLhHYRIk6VIOMQmWwEYgJ2eAHfw2Diwj4/0eqkGu+yZOS6KTCewxSV73vc

526

527

SvACramJy4y6yEgDN5onwR1XqfVMfA0LzTcSupHR/xvrpf/gCsNFPxUCgYEAyAFd

528

529

nMUhJFSq3pOogxA43aJSkA8YuDS3jpBkKQ6vx81APpIMabQauOxFDt488TZGP3Yy

530

531

lhpa/lfFIgu2K7CgV4dUp+JtJJoZ/F+ExxUUzdqB4zxzWywAcc3RebfwP6qASwFT

532

533

G3mXYci4tgNWR+k5CSsuLXDk/OT5uo5GeGAEc/8CgYEAk6V8uxDP8STKnNRFpN/E

534

535

b6CHciDE64m/DgbWY2cq0fK9BUjxaLRhvfj8EqVzCrWnyoNjLHcAJfW+B7PLuPvY

536

537

IoJlvE1/Vb/4UnQ7ApVnY3VCwaoRRNc9uIcz+pAJ1sRqOarAf9cLDkPkNwktvM5k

538

539

KOXpSnrhIms4w/bPT18l9xUCgYBsAMDKbXEuK0JyGw5+Z/4tQQCQpnZU0rLkm3ha

540

541

64FkxaORplBprEZZ4cyQ8NW78/EPSAadI/JLMp5TejuPcDvFyGCgoBcMEuNBc1tC

542

543

HlIzr3FAgl5Qt3wt+FTMA9YKq0nINxjn10s2FKwaLccj4f9YwiaXh0VAg22PnlDT

544

545

pBYDhQKBgQCMwyKXJ4zYiDRdvLvgKzeuKaU4KNQItHE4KORPfkecjPoENt4bKxDw

546

547

2EdNFQLIoqBHL1s+/8+SzhCI31V7pkTs1AqCxDExJS7+8Z5NQFQIo/jooUo0N80E

548

549

y3ZZS6OLOXXscEqhMogf1grfbabXM9OkgTIq43cPQHtMGQiFAtIJkg==

550

551

~-~-~-~--END RSA PRIVATE KEY~-~-~-~--}

552

553

(% style="color:red" %)**Note: Be sure to add a terminator "}" at the end of the command. Otherwise, the command will not execute successfully.**

554

555

[[image:image-20240528174702-17.png]]

556

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Display(% style="color:blue" %)** "Successfully configured client private key."**(%%) If the configuration is successful, otherwise it is considered configuration failure.

558

559

560

==== 4.2.2.4 Re-upgrade the firmware ====

561

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After completing the certificate configuration, Burn the [[bootloader>>https://www.dropbox.com/scl/fo/ztlw35a9xbkomu71u31im/AE23WqlQ8CKU4cuy-sP1JkM/Utility/NB-IoT%20Bootloader?rlkey=ojjcsw927eaow01dgooldq3nu&e=1&subfolder_nav_tracking=1&dl=0]] firmware first, then re-burn the original working [[firmware>>https://www.dropbox.com/scl/fo/ztlw35a9xbkomu71u31im/ANd2flSqspRRXl-ksF6gUqk/LTE-M?dl=0&rlkey=ojjcsw927eaow01dgooldq3nu&subfolder_nav_tracking=1]].

564

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566

==== 4.2.2.5 For -CB /-CS model Certificate setting error/change certificate ====

567

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569

(% data-sider-select-id="7c5a8abc-e707-467b-ac02-db0a89098320" %)When you set the wrong certificate or you need to re-set another certificate.

570

Please use the following three commands：

571

572

(% style="color:blue" %)**AT+DELCLIKEY}**

573

574

(% style="color:blue" %)**AT+DELCLICERT}**

575

576

(% style="color:blue" %)**AT+DELCACERT}**(%%)

577

(% style="color:blue" %)

578

579

(% style="color:red" %)**Note: 1.When there is no certificate on the device, a deletion error will be displayed.

580

2.When the device already has a certificate, using the command to configure the certificate again will display a configuration error.**

581

582

583

= (% data-sider-select-id="6b5deb69-539b-42e1-a7bc-a300eb1fea73" %)5. Configure draginoNB-device(%%) =

584

585

== 5.1 Configure the data format sent by the device ==

586

587

588

(% style="color:blue" %)**AT+PRO=3,5**(%%) (Data is in Json format of MQTT)

589

590

591

== 5.2 Set server address ==

592

593

594

(% style="color:blue" %)**AT+SERVADDR=an5tk94sdgjat-ats.iot.us-east-1.amazonaws.com,8883**

595

596

597

== 5.3 Set up private and public topics ==

598

599

600

AWS does not limit topics, so you can set any topic

601

602

(% style="color:blue" %)**AT+SUBTOPIC=Any**

603

604

(% style="color:blue" %)**AT+PUBTOPIC=Any**

605

606

607

== 5.4 Set the TLS mode ==

608

609

610

(% data-sider-select-id="cf7bb573-8375-4479-9801-df8bb7dab3ba" style="color:blue" %)**AT+TLSMOD=1,2**

611

612

To use the TLS mode certificate function, users need to configure the (% style="color:blue" %)**AT+TLSMOD**(%%) command.

613

614

(% style="color:blue" %)**AT+TLSMOD=1,0** (%%) ~/~/ No authentication

615

616

(% style="color:blue" %)**AT+TLSMOD=1,1** (%%) ~/~/ Perform server authentication

617

618

(% style="color:blue" %)**AT+TLSMOD=1,2** (%%) ~/~/ Perform server and client authentication if requested by the remote server.(In AWS we recommend using this mode)

619

620

621

(% data-sider-select-id="f443b9bc-1195-4fe2-965d-7de84f78747f" %)

622

== 5.5 Set the MQOS ==

623

624

625

(% data-sider-select-id="cf7bb573-8375-4479-9801-df8bb7dab3ba" style="color:blue; font-weight:bold" %)**AT+MQOS**(% data-sider-select-id="cf7bb573-8375-4479-9801-df8bb7dab3ba" style="color:blue" %)**=XX （Depends on your server configuration）**

626

627

Please find it in AWS's MQTT test client

628

629

[[image:image-20240529164339-1.png||height="480" width="927"]]

630

631

632

(% data-sider-select-id="fef22158-6e5e-46e4-b59e-fe457e562376" %)

633

== 5.6 Restart the device ==