1. Introduzione
This manual provides comprehensive instructions for the installation, configuration, operation, and maintenance of the Yeacomm Industrial 4G LTE Router, model YET-R100-L. This device is designed for reliable cellular connectivity in demanding industrial environments, supporting various M2M and IoT applications.
2. Prodotto finitoview
The Yeacomm YET-R100-L is a robust industrial-grade 4G LTE cellular router featuring Cat 4 LTE, Wi-Fi, multiple Ethernet ports, and serial interfaces (RS232/RS485). It offers advanced features such as VPN, WAN failover, and remote management, ensuring stable and secure network operations.

Figure 2.1: Yeacomm Industrial 4G LTE Router YET-R100-L with included antennas.
Caratteristiche principali:
- 4G LTE Cellular Connectivity with WAN Failover: Ensures 99.9% uptime with automatic switching between cellular and wired WAN connections. Supports US Full Band (B2/4/5/12/13/14/66/71) with band-locking.
- Design robusto: Operates in temperatures from -40°C to 75°C, resistant to shocks and vibrations.
- Interfacce multiple: Includes 4 Ethernet ports, dual SIM card slots, RS232/RS485 ports, and WDT watchdog technology.
- Secure Networking: Features VPN tunneling (IPSec/OpenVPN) and WPA3 authentication for data encryption.
- Gestione remota: Monitor network health and manage devices via Yeacomm Cloud Dashboard.
- Multi-Role Functionality: Supports AP/Client/Repeater modes for extended Wi-Fi coverage.
3. Contenuto della confezione
Verificare che tutti gli articoli siano presenti nel pacco:
- 1 x Yeacomm Industrial 4G LTE Router (YET-R100-L)
- Antennas (quantity may vary based on configuration)
- Adattatore di alimentazione (non elencato esplicitamente ma implicito per il funzionamento)
- Mounting Accessories (not explicitly listed but common for industrial routers)
4. Descrizione dell'hardware
4.1 Disposizione del pannello frontale

Figura 4.1: pannello frontale view of the YET-R100-L router with port labels.
- Indicatori LED: PWR (Power), SYS (System), WIFI (Wi-Fi Status), SIM (SIM Card Status), Online (Network Connection), Signal (Cellular Signal Strength).
- WIFI Antenna Port: Connector for the Wi-Fi antenna.
- LTE Antenna Ports (ANT-1, ANT-2): Connectors for the 4G LTE cellular antennas.
- Porta della console: RJ45 port for serial console access.
- Porta Ethernet WAN: RJ45 port for wired WAN connection.
- LAN Ethernet Ports (LAN-1 to LAN-4): Four RJ45 ports for local area network devices.
4.2 Top Panel Layout

Figura 4.2: Pannello superiore view detailing SIM card slots, power, and serial interfaces.
- Slot per scheda SIM: Dual slots for inserting 4G LTE SIM cards.
- Slot MicroSD: Per spazio di archiviazione espandibile.
- DI/DO Terminals: Digital Input/Output for industrial control.
- Terminale GND: Collegamento a terra.
- RELAY Terminal: Uscita relè.
- Terminale di alimentazione: Input for 5-36VDC power.
- Pulsante RST: Reset button (recessed).
5. Istruzioni per l'installazione
5.1 Installazione dell'antenna
- Carefully screw the Wi-Fi antenna onto the WIFI antenna port.
- Screw the two LTE antennas onto the ANT-1 and ANT-2 ports. Ensure they are securely tightened.
5.2 Inserimento della scheda SIM
- Locate the SIM card slots on the top panel.
- Insert your activated 4G LTE SIM card(s) into the designated slot(s) until they click into place. Ensure the SIM card is oriented correctly as indicated on the device.
5.3 Collegamento di alimentazione
- Connect the power adapter to the Power Supply terminal on the top panel.
- Connect the other end of the power adapter to a suitable power source. The PWR LED should illuminate.
5.4 Connessione di rete iniziale
For initial configuration, connect a computer to one of the LAN Ethernet ports using an Ethernet cable.
6. Istruzioni per l'uso
6.1 Accesso al Web Interfaccia
- Assicurati che il tuo computer sia collegato a una porta LAN del router.
- Aprire un web browser e inserisci l'indirizzo IP predefinito: http://192.168.1.1
- Enter the default login credentials: Nome utente: amministratore, Password: amministratore.
- Upon successful login, you will access the router's configuration interface. It is recommended to change the default password immediately for security.
6.2 Configurazione di base
- Impostazioni WAN: Configure the cellular (4G LTE) or wired (Ethernet) WAN connection. For cellular, ensure the APN settings are correct for your SIM card provider.
- Impostazioni LAN: Adjust the router's LAN IP address, subnet mask, and DHCP server settings if necessary.
- Impostazioni Wi-Fi: Configure the Wi-Fi SSID, security type (WPA2/WPA3 recommended), and password.
6.3 Funzionalità avanzate
- Connessione VPN: Configure IPSec or OpenVPN tunnels for secure data transmission.
- Failover WAN: Set up automatic switching between primary (e.g., wired WAN) and secondary (e.g., 4G LTE) internet connections to maintain uptime.
- Blocco della fascia: Access advanced cellular settings to lock the router to specific LTE bands (B2/4/5/12/13/14/66/71) for optimized performance in certain areas.
- Gestione remota: Utilize the Yeacomm Cloud Dashboard for remote monitoring, rebooting, and configuration of the router.
- M2M/IoT Integration: Configure the RS232/RS485 serial ports for connecting industrial devices and sensors. Refer to the specific protocol documentation for detailed setup.
7. Manutenzione
7.1 Aggiornamenti firmware
Regularly check the Yeacomm official webposto (http://www.yifanwireless.com) for firmware updates. Firmware updates can provide new features, performance improvements, and security patches. Follow the instructions provided with the firmware package for a safe update process.
7.2 Ripristino del dispositivo
To restore the router to factory default settings, press and hold the recessed RST button on the top panel for approximately 5-10 seconds while the device is powered on. Release the button when the SYS LED starts blinking rapidly. The router will then reboot with default settings.
7.3 Pulizia
Use a soft, dry cloth to clean the exterior of the router. Do not use liquid cleaners or aerosols, as they may damage the device.
8. Risoluzione Dei Problemi
| Problema | Possibile causa | Soluzione |
|---|---|---|
| Nessuna alimentazione (LED PWR spento) | Power adapter not connected or faulty; power source issue. | Check power adapter connection and power outlet. Ensure the power supply voltage rientra nell'intervallo 5-36 V CC. |
| Nessuna connessione Internet | SIM card not inserted correctly; incorrect APN settings; no cellular signal; WAN cable disconnected. | Verificare l'inserimento e l'attivazione della scheda SIM. Controllare le impostazioni APN nel web interface. Relocate router for better signal. Check WAN cable connection. |
| Impossibile accedere Web Interfaccia | Incorrect IP address; network configuration issue on PC; router frozen. | Ensure PC is set to obtain IP automatically or has a static IP in the 192.168.1.x range. Try http://192.168.1.1. Reboot the router. |
| Velocità Wi-Fi lenta | Interference; outdated firmware; too many connected devices. | Change Wi-Fi channel. Update firmware. Limit connected devices or optimize network usage. |
9. Specifiche
| Caratteristica | Specificazione |
|---|---|
| Nome del modello | YET-R100-L |
| Tecnologia di connettività | Ethernet, 4G LTE Cellular |
| Standard di comunicazione wireless | 802.11b (Wi-Fi) |
| Classe di banda di frequenza | Quad-Band (LTE) |
| LTE Bands Supported (US) | B2/4/5/12/13/14/66/71 |
| Porte Ethernet | 4 x LAN, 1 x WAN, 1 x Console |
| Slot per schede SIM | Doppia SIM |
| Interfacce seriali | RS232/RS485 |
| Temperatura di esercizio | -40°C a 75°C |
| Potenza in ingresso | 5-36 V CC |
| Dimensioni | 11.42 x 7.09 x 3.15 pollici (circa) |
| Peso dell'articolo | 1.76 libbre (circa) |
10. Garanzia e supporto
Yeacomm provides 24/7 technical support for its products. If you encounter any issues during the use of the YET-R100-L router, please contact the customer service team. US-based technicians are available to provide assistance, firmware updates, and compatibility optimization.
For support, please visit the official Yeacomm websito o fare riferimento alle informazioni di contatto fornite con la documentazione del prodotto.