User's Manual
Table Of Contents
- USR-G809 User Manual
- 1.Introduction
- 1.1.Overview
- 1.2.Features
- 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
- 2.6.Reboot
- 2.7.Reload Button
- 3.Interface
- 3.1.WAN Interface
- 3.2.LAN Interface
- 3.3.Cellular Network Interface
- 3.4.WLAN Interface
- 3.5.VLAN
- 3.6.DIDO
- 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
- 6.3.Traffic Rules
- 6.4.Access Restriction
- 7.Serial Port
- 7.1.Connecting Hardware
- 7.2.Serial Port Settings
- 7.3.Operation Mode
- 7.4.General Function
- 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
- 9.Services
- 9.1.Syslog
- 9.2.NTP
- 9.3.Email
- 9.4.SMS
- 9.5.Alert
- 9.6.Alert Examples
- 9.7.Call Reboot
- 9.8.Geolocation
- 9.9.DDNS
- 10.AT Commands Settings
USR-G809 User Manual Technical Support:
h.usriot.com
Jinan USR IOT Technology Limited www.pusr.com
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3.6.1.Connecting Hardware
3.6.1.1. DI Hardware Connection
DI*2：Dry contact, volt-free contact, can operate as an ordinary ON/OFF switch. It is nonpolar, adaptable to
different wiring.
3.6.1.2. DO Hardware Connection
DO*2: Wet contact, active contact, can operate like a controlled switch. It is polar, and the wiring cannot be
reversed.