AirLink GX400 - Router Sierra Wireless - Free user manual and instructions
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| Product Type | Industrial Cellular Router |
| Manufacturer | Sierra Wireless |
| Model | AirLink GX400 |
| Dimensions (W x D x H) | 150 mm x 100 mm x 30 mm |
| Weight | 300 g |
| Power Supply | 9-48 V DC, 2 A max |
| Operating Temperature | -30°C to 70°C |
| Cellular Connectivity | 4G LTE (Cat 4) |
| Wi-Fi | 802.11 b/g/n, dual-band |
| Ethernet Ports | 2 x Gigabit Ethernet |
| Serial Interface | RS-232 |
| GPS | Integrated GPS receiver |
| VPN Support | IPsec, OpenVPN, GRE |
| Management | Web UI, CLI, SNMP, AirLink Management Service |
| Security | Firewall, VLAN, MAC filtering |
| Mounting | DIN rail or desktop |
| Maintenance | Clean with dry cloth; avoid liquids |
| Repairability | Contact Sierra Wireless support for service |
Frequently Asked Questions - AirLink GX400 Sierra Wireless
How do I connect the AirLink GX400 to the internet?
Insert a compatible SIM card, power on the router, and connect via Ethernet or Wi-Fi. Use the default IP (192.168.1.1) to access the web interface and configure APN settings provided by your carrier.
Can I use the GX400 as a Wi-Fi access point?
Yes. The router supports Wi-Fi 802.11 b/g/n and can operate as an access point. Enable Wi-Fi in the web interface, set SSID and password.
How do I reset the router to factory defaults?
Press and hold the Reset button on the back panel for 10 seconds using a paperclip. The router will reboot with default settings (IP: 192.168.1.1, admin/admin).
What LED indicators mean on the front panel?
The LEDs show power, cellular signal strength, WAN status, and Wi-Fi. Refer to the manual: solid green = good, blinking = activity, red = error.
How do I update the firmware?
Download the latest firmware from Sierra Wireless website. In the web interface, go to Administration > Firmware Upgrade, upload the file, and wait for reboot. Do not power off during update.
Can I use a VPN connection with this router?
Yes. The GX400 supports IPsec, OpenVPN, and GRE tunnels. Configure VPN settings under VPN section in the web interface.
How do I change the Wi-Fi password?
Log in to the web interface, go to Wi-Fi > Security, and enter a new passphrase for both 2.4GHz and 5GHz bands. Save settings.
What should I do if the router does not power on?
Check the power cable and power source. Ensure the voltage is within 9-48V DC. Try a different adapter or use a multimeter. If still dead, contact support.
Is the AirLink GX400 compatible with all cellular carriers?
It supports 4G LTE (Cat 4) bands commonly used in North America and Europe. Check the specific band compatibility with your carrier before purchase.
How do I enable remote management?
Enable Remote Access via the web interface under Security settings. You can use AirLink Management Service or configure port forwarding for HTTPS access.
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USER MANUAL AirLink GX400 Sierra Wireless
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Product information
Brand : Sierra Wireless
Model : AirLink GX400
Category : Router