EW200 Industrial Cellular Gateway
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Chapter 4 Field Communication ....................................................................................................... 172
4.1 Bus & Protocol .................................................................................................................... 172
4.1.1 Port Configuration ..................................................................................................... 172
4.1.2 Virtual COM .............................................................................................................. 174
4.1.3 Modbus ..................................................................................................................... 185
4.2 Data Logging ...................................................................................................................... 196
4.2.1 Data Logging Configuration ...................................................................................... 199
4.2.2 Scheme Setup .......................................................................................................... 201
4.2.3 Log File Management ............................................................................................... 203
4.3 Data Interchange ................................................................................................................ 204
4.3.1 MQTT ....................................................................................................................... 204
Chapter 5 Security ........................................................................................................................... 215
5.1 VPN ..................................................................................................................................... 215
5.1.1 IPsec ......................................................................................................................... 216
5.1.2 OpenVPN.................................................................................................................. 224
5.1.3 L2TP ......................................................................................................................... 238
5.1.4 PPTP ........................................................................................................................ 245
5.1.5 GRE .......................................................................................................................... 252
5.2 Firewall ............................................................................................................................... 256
5.2.1 Packet Filter .............................................................................................................. 256
5.2.2 URL Blocking ............................................................................................................ 261
5.2.3 MAC Control ............................................................................................................. 265
5.2.4 IPS ............................................................................................................................ 268
5.2.5 Options ..................................................................................................................... 272
Chapter 6 Administration .................................................................................................................. 276
6.1 Configure & Manage ........................................................................................................... 276
6.1.1 Command Script ....................................................................................................... 277
6.1.2 TR-069 ...................................................................................................................... 280
6.1.3 SNMP ....................................................................................................................... 285
6.1.4 Telnet with CLI .......................................................................................................... 296
6.1.5 LLDP ......................................................................................................................... 300
6.2 System Operation ............................................................................................................... 301