ZyWALL USG 20/20W Installation Guide

About this manual

This guide provides step‑by‑step instructions for installing and configuring the ZyWALL USG 20/20W, a small‑office firewall with VPN, NAT, and bandwidth‑management features. It covers hardware setup, required environment, initial web‑based configuration, and advanced options such as bridge mode and VPN.

The manual also includes details on LED status indicators, port assignments, power requirements, and how to perform firmware updates, backup configurations, and bandwidth‑management rules. This manual is written in Chinese.

What's inside

• Installation and Configuration
• Product Overview
• Hardware Installation
• Required Environment
• Manual Settings
• Advanced Settings
• VPN Configuration
• Bandwidth Management

Specifications

Frequently asked questions

Which power connector is used for a 3G backup WAN?

The USB WAN port can be used as a 3G backup connection.