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General| Brand | CTC Union |
|---|---|
| Model | ICR-4103 |
| Category | Network Router |
| Language | English |
Provides step-by-step instructions for inserting and removing SIM cards in the ICR-4103, including important notes.
Specifies the required DC power supply range (12/24VDC) and grounding procedure for the router.
Guides users on accessing the router's HTML-based management interface via a web browser and default IP address.
Displays the router's status, including Cellular, Dual SIM, WAN Ethernet, and LAN Ethernet connectivity details.
Covers various system settings including time, COM ports, logging, alarms, Ethernet, Modbus, and client lists.
Covers configuring COM port settings, including mode, protocol, and virtual COM setup for remote management.
Details configuring alarm inputs (SMS, DI, VPN/WAN disconnect) and outputs (SMS, SNMP trap, Email).
Covers WAN settings including priority, Ethernet, and IPv6 DNS configuration.
Configures WAN Ethernet settings, offering DHCP Client, PPPoE Client, and Static IPv4 options for IP address acquisition.
Covers LTE settings including network mode, ping health, dual SIM, usage display, and SMS.
Details status and configuration for Dual SIM, including SIM priority, roaming, retry numbers, and SIM PIN/PUK management.
Covers LAN settings including IPv4, IPv6, VLAN, and Subnet configuration.
Configures LAN IPv4 address, IP Mask, and DHCP Server settings for network connectivity.
Details LAN IPv6 configuration, including Delegate Prefix from WAN or Static IP, and DHCPv6 server settings.
Covers IP routing settings including static routes, RIP, OSPF, and BGP.
Covers various service configurations like VPN, Port Forwarding, DNS, Security, and Management.
Guides setting up OpenVPN tunnels, covering client, server, custom modes, and connection parameters.
Details setting up IPSec tunnels, covering General settings like IKE, encryption, authentication, and connection parameters.
Configures Network Address Translation (NAT) to manage private and public IP address mapping for network access.
Provides instructions for upgrading the router's firmware by selecting a file and initiating the update process.
Restores the router to factory default settings and restarts the device immediately.
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