USG FLEX 50H - Firewall ZYXEL - Free user manual and instructions
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| Product Type | Unified Security Gateway (Firewall) |
| Brand | ZyXEL |
| Model | USG FLEX 50H |
| Dimensions (W x D x H) | 180 x 120 x 30 mm |
| Weight | 0.5 kg |
| Power Supply | 12V DC, 1.5A |
| Max Throughput | 500 Mbps (firewall), 100 Mbps (VPN) |
| Number of LAN Ports | 4x Gigabit Ethernet |
| WAN Ports | 1x Gigabit Ethernet |
| VPN Support | IPsec, SSL, L2TP; up to 10 tunnels |
| Security Features | Stateful firewall, IPS, antivirus, anti-spam, content filtering |
| Management | Web GUI, CLI, Zyxel Nebula cloud management |
| Operating Temperature | 0°C to 40°C |
| Humidity | 10% to 90% (non-condensing) |
| Maintenance | Keep vents clear; clean with soft dry cloth |
| Safety | Use included power adapter; avoid liquid exposure |
| Spare Parts | Power adapter, mounting kit, Ethernet cables |
| Repairability | No user-serviceable parts; contact support for repairs |
| Warranty | 2 years limited warranty |
Frequently Asked Questions - USG FLEX 50H ZYXEL
What is the default IP address to access the USG FLEX 50H web interface?
The default IP address is 192.168.1.1. Connect your computer to one of the LAN ports and configure your network adapter to obtain an IP address automatically.
How do I reset the firewall to factory defaults?
Press and hold the RESET button on the front panel for about 10 seconds using a paperclip until the power LED blinks. The device will reboot with factory settings.
Does the USG FLEX 50H support VPN connections?
Yes, it supports IPsec, SSL, and L2TP VPN tunnels. Up to 10 concurrent VPN tunnels can be configured.
Can I manage this device via the cloud?
Yes, the USG FLEX 50H is compatible with Zyxel Nebula cloud management platform for centralized monitoring and configuration.
What is the maximum firewall throughput?
The maximum firewall throughput is 500 Mbps. VPN throughput is up to 100 Mbps.
How many LAN ports does the device have?
It has 4 Gigabit Ethernet LAN ports and 1 Gigabit Ethernet WAN port.
What security features are included?
It includes a stateful firewall, intrusion prevention system (IPS), antivirus, anti-spam, and content filtering to protect your network.
How do I update the firmware?
Download the latest firmware from the Zyxel support website, then go to System > Firmware Upgrade in the web interface and upload the file.
Is the device rack-mountable?
No, the USG FLEX 50H is a desktop form factor. It comes with rubber feet for desk placement and can be wall-mounted using optional brackets.
What should I do if I forget the admin password?
You can perform a factory reset by pressing the RESET button for 10 seconds. This will erase all configurations and restore default credentials.
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USER MANUAL USG FLEX 50H ZYXEL
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Product information
Brand : ZYXEL
Model : USG FLEX 50H
Category : Firewall