USR-G781 User Manual Technical Support: h.usriot.com
Jinan USR IOT Technology Limited 2
Contents
USR-G781 User Manual........................................................................................................................................1
Brief Introduction............................................................................................................................................4
Features .............................................................................................................................................................4
1. Get Start .................................................................................................................................................................5
1.1. Application ................................................................................................................................................5
1.1.1. Application Diagram ....................................................................................................................5
1.1.2. Hardware Dimensions.................................................................................................................6
1.1.3. Hardware Interface......................................................................................................................7
1.1.4. LED Indicator.................................................................................................................................8
1.2. Module Default Parameters....................................................................................................................8
1.3. Basic Parameters .....................................................................................................................................9
1.4. Frequency Band......................................................................................................................................10
1.5. Hardware Introductions........................................................................................................................10
2. Product Functions .............................................................................................................................................12
2.1. APN ...........................................................................................................................................................12
2.2. Router Functions....................................................................................................................................12
2.2.1. Configuration procedure ...........................................................................................................12
2.2.2. Networking mode........................................................................................................................13
2.2.2.1. WAN+LAN+4G...................................................................................................................13
2.2.2.2. LAN+LAN+4G....................................................................................................................14
2.2.3. Features ........................................................................................................................................14
2.2.3.1. 4G Interface......................................................................................................................14
2.2.3.2. LAN Interface ...................................................................................................................15
2.2.3.3. WAN Interface..................................................................................................................15
2.2.3.4. DHCP ..................................................................................................................................15
2.2.3.5. VPN.....................................................................................................................................15
2.2.3.6. Static Routing function....................................................................................................15
2.2.3.7. Static IP binding................................................................................................................15
2.2.3.8. Network diagnosis...........................................................................................................15
2.2.3.9. Firewall..............................................................................................................................15
2.3. DTU Functions ........................................................................................................................................15
2.3.1. Work Mode ...................................................................................................................................16
2.3.1.1. Transparent Mode ...........................................................................................................16
2.3.1.2. HTTPD Client Mode .........................................................................................................17
2.3.2. Serial Port ....................................................................................................................................18
2.3.2.1. Parameters range ............................................................................................................18
2.3.2.2. Serial Package Methods..................................................................................................18
2.3.2.3. Baud Rate Synchronization............................................................................................19
2.3.3. Features ........................................................................................................................................19
2.3.3.1. Identity Package Function ..............................................................................................19
2.3.3.2. Heartbeat Package Function .........................................................................................20
2.4. Basic functions........................................................................................................................................20
