User's Manual

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Table Of Contents

USR-G809 User Manual
1.Introduction
1.1.Overview
1.2.Features
- Stable and Reliable
- Flexible Networking
- Powerful Functions
1.3.Specification
1.4.Interface
1.5.Indicator
1.6.Dimensions
2.General Function
2.1.Web Interface
2.2.Hostname
2.3.User Password Settings
2.4.Reboot Timer
- 2.5.Backup/Upgrade
2.6.Reboot
2.7.Reload Button
- 2.7.1.Hardware Reset
- 2.7.2.Restore the Firmware
- 2.7.3.Upgrading via USB Port
3.Interface
3.1.WAN Interface
3.2.LAN Interface
3.3.Cellular Network Interface
- 3.3.1.Cellular Network Settings
- 3.3.2.Ping Detection Settings
- 3.3.3.Mobile Information
3.4.WLAN Interface
3.5.VLAN
3.6.DIDO
- 3.6.1.Connecting Hardware
  - 3.6.1.1. DI Hardware Connection
  - 3.6.1.2. DO Hardware Connection
- 3.6.2.DI Configuration
- 3.6.3.DO Configuration
- 3.7.User-defined Indicator
4.Network
4.1.Network Switch
4.2.DHCP
4.3.Hostnames
4.4.Static Routes
4.5.Diagnostics
5.VPN
5.1.PPTP Client
5.2.L2TP Client
5.3.IPSec
5.4.OpenVPN
5.5.GRE
6.Firewall
6.1.General Settings
6.2.NAT
- 6.2.1.Masquerading
- 6.2.2.Port Forwarding
- 6.2.3.DMZ
6.3.Traffic Rules
- 6.3.1.IP Address Blacklist
- 6.3.2.IP Address Whitelist
- 6.3.3.IP and Port Access Restrictions
- 6.3.4.Ping Restrictions
6.4.Access Restriction
- 6.4.1.Black List
- 6.4.2.White List
7.Serial Port
7.1.Connecting Hardware
7.2.Serial Port Settings
- 7.2.1.Basic Settings
- 7.2.2.Framing Mechanism
  - 7.2.2.1.Time Trigger
  - 7.2.2.2.Length Trigger
7.3.Operation Mode
- 7.3.1.NET Mode
- 7.3.2.MODBUS Mode
- 7.3.3.HTTPD Mode
7.4.General Function
- 7.4.1.Registry Packet
- 7.4.2.Heartbeat Packet
- 7.4.3.Restarting Without Data
- 7.4.4.RFC2217
Protocol description:
8.USR Cloud
8.1.Cloud Monitor
8.2.Add device
8.3.Network Status
8.4.Parameter Configuration
8.5.Firmware Upgrade
8.6.Records of device
8.7.Alarm
8.8.Remote Configuration
- 8.8.1.Configure via AT Commands
- 8.8.2.Configure via Webpage
9.Services
9.1.Syslog
- 9.1.1.Remote Log
- 9.1.2.Local Log
9.2.NTP
9.3.Email
9.4.SMS
9.5.Alert
9.6.Alert Examples
- 9.6.1.Flow Consumption Alarm via Email
- 9.6.2.DI 1 ON SMS Alarm
  - 9.6.3.4G Online/Offline Triggers DO
9.7.Call Reboot
9.8.Geolocation
- 9.8.1.GPS Configurations
- 9.8.2.Base Station Configurations
9.9.DDNS
- 9.9.1.Supported Services
- 9.9.2.Custom Services
10.AT Commands Settings
- 10.1.AT Command Mode
- 10.2.Serial AT Commands
- 10.3.Network AT Commands
- 10.4.SMS AT Commands

USR-G809 User Manual Technical Support:

h.usriot.com

Jinan USR IOT Technology Limited www.pusr.com

Change the time zone:

9.3. Email

After connecting to the network, this mailbox will be used as the sender to send a specific alarm email to the

set email address.