Chapter 3 Hardware, Interfaces and Zones
ZyWALL USG Series User’s Guide
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Note: Make sure the screws are securely fixed to the wall and strong enough to hold the
weight of the Zyxel Device with the connection cables.
Figure 59 Gap for Cables
3 Use the holes on the Zyxel Device to hang the Zyxel Device on the screws.
Wall-mount the Zyxel Device horizontally. The Zyxel Device's side
panels with ventilation slots should not be facing up or down as this
position is less safe.
3.3 Default Zones, Interfaces, and Ports
The default configurations for zones, interfaces, and ports are as follows. References to interfaces may
be generic rather than the specific name used in your model. For example, this guide may use “the
WAN interface” rather than “wan1” or “wan2”, “ge2” or” ge3” (USG2200-VPN/USG2200 is “ge5” or
“ge6”).
An OPT (optional) Ethernet port can be configured as an additional WAN port, LAN, WLAN, or DMZ port.
The following table shows the default physical port and interface mapping for each model at the time
of writing.
Table 16 Default Physical Port - Interface Mapping
PORT / INTERFACE P1 P2 P3 P4 P5 P6 P7 P8
• USG20-VPN sfp wan lan1 lan1 lan1 lan1
• USG20W-VPN sfp wan lan1 lan1 lan1 lan1
• USG40 wan1 lan1 lan1 lan1 opt
• USG40W wan1 lan1 lan1 lan1 opt