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- Manuals
- 6
- Categories
- 1
- Languages
- ZH · EN
- Last added
- 2012-05-04
Featured Billion manuals

BILLION BiPAC 74XX 3G/VoIP/ (802.11g/802.11n) broadband /ADSL2+ (VPN) firewall Router user manual
The Billion 74XX series is an all‑in‑one firewall router that combines an ADSL modem, Ethernet switch, and optional 3G/VoIP and Wi‑Fi modules. It supports ADSL2+/ADSL broadband, 802.11g/n wireless, VPN, QoS and other advanced networking functions.
This manual covers product introduction, installation steps, web‑based configuration, status monitoring, security settings, VPN and VoIP setup, QoS, virtual servers, Wake‑on‑LAN, advanced features, troubleshooting, and contact information for technical support. This manual is written in Chinese.
Covers: Product Introduction · Product Installation · Basic Installation · Configuration · System Status · Firewall and Access Control

Billion BiGuard 50G User Manual
This manual introduces the BiGuard 50G firewall router, describing its key features such as full IPsec VPN support, high‑capacity NAT, SIP and IPTV handling, and multiple operating modes (router, transparent, hybrid). It also explains the hardware specifications, panel indicators, and basic concepts of WAN/LAN interfaces.
Detailed sections cover panel description, port status indicators, reset procedure, WAN/LAN configuration, VPN and QoS settings, logging, and troubleshooting steps. The document ends with configuration examples, saving settings, and a glossary of networking terms. This manual is written in Chinese.
Covers: Preface · Overview · Key Features · Panel Description · Function Description · Usage Instructions
BILLION BiPAC 6200NXL 3G/802.11n Wireless broadband Router user manual
This manual covers the hardware overview and installation steps for the BiPAC 6200NXL router, including connecting the WAN, LAN, and USB ports, and powering the device. It also explains how to access the web‑based GUI for initial configuration.
Detailed sections describe WAN settings (PPPoE, DHCP, static IP), LAN switching, wireless network setup (802.11n, WPA/WPA2, WEP), QoS, UPnP, and firmware upgrades. The guide ends with troubleshooting tips and a reference appendix of indicator LEDs and default credentials.
Covers: Hardware Overview · LAN Configuration · WAN Configuration · Wireless Settings · Security Settings · QoS Configuration
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BILLION BiPAC 74XX 3G/VoIP/ (802.11g/802.11n) broadband /ADSL2+ (VPN) firewall Router user manual
User Manual 181 pages · 6.7 MB · ZHThe Billion 74XX firewall router user manual provides setup, configuration, and troubleshooting instructions for ADSL2+, 3G, VoIP, and Wi‑Fi features.
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User Manual 136 pages · 5.7 MB · ZHThe Billion BiGuard 50G User Manual provides setup, configuration, and management instructions for the BiGuard 50G firewall router.
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BILLION BiPAC 6200NXL 3G/802.11n Wireless broadband Router user manual
User Manual 122 pages · 4.4 MB · ENThe Billion BiPAC 6200NXL user manual provides setup, configuration, and troubleshooting instructions for the 3G/802.11n wireless broadband router.
Which document do I need?
User Manual
Day-to-day operation, settings and troubleshooting. Start here if the product is already set up.
Questions answered in Billion manuals
How do I reset the router to factory defaults?
Press and hold the RESET button for more than 6 seconds; the device will power off and then power on with factory settings restored.
From: BILLION BiPAC 74XX 3G/VoIP/ (802.11g/802.11n) broadband /ADSL2+ (VPN) firewall Router user manual
What do the power LEDs indicate?
When the power is connected the LED is orange; when the system is ready it turns green; a red LED indicates a fault.
From: BILLION BiPAC 74XX 3G/VoIP/ (802.11g/802.11n) broadband /ADSL2+ (VPN) firewall Router user manual
What is the NAT table size of the BiGuard 50G?
The NAT table can hold up to 4 K entries.
How do I configure the WAN connection?
Select the appropriate WAN type—PPPoE, DHCP, or static IP—under the WAN settings in the web GUI.
From: BILLION BiPAC 6200NXL 3G/802.11n Wireless broadband Router user manual
How can I set up wireless security?
In the Wireless Settings page, choose WPA/WPA2 or WEP and enter a passphrase to protect the Wi‑Fi network.
From: BILLION BiPAC 6200NXL 3G/802.11n Wireless broadband Router user manual
