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Appendix A Product Specifications and Wall-Mounting Instructions
NBG334W User’s Guide
231
The following list, which is not exhaustive, illustrates the standards supported in the
NBG334W.
Time and Date
Get the current time and date from an external server when you turn on
your NBG334W. You can also set the time manually. These dates and
times are then used in logs.
Port Forwarding
If you have a server (mail or web server for example) on your network,
then use this feature to let people access it from the Internet.
DHCP (Dynamic Host
Configuration Protocol)
Use this feature to have the NBG334W assign IP addresses, an IP
default gateway and DNS servers to computers on your network.
Dynamic DNS Support
With Dynamic DNS (Domain Name System) support, you can use a
fixed URL, www.zyxel.com for example, with a dynamic IP address. You
must register for this service with a Dynamic DNS service provider.
IP Multicast
IP Multicast is used to send traffic to a specific group of computers. The
NBG334W supports versions 1 and 2 of IGMP (Internet Group
Management Protocol) used to join multicast groups (see RFC 2236).
IP Alias
IP Alias allows you to subdivide a physical network into logical networks
over the same Ethernet interface with the NBG334W itself as the
gateway for each subnet.
Logging and Tracing
Use packet tracing and logs for troubleshooting. You can send logs from
the NBG334W to an external UNIX syslog server.
PPPoE
PPPoE mimics a dial-up over Ethernet Internet access connection.
PPTP Encapsulation
Point-to-Point Tunneling Protocol (PPTP) enables secure transfer of
data through a Virtual Private Network (VPN). The NBG334W supports
one PPTP connection at a time.
Universal Plug and Play
(UPnP)
The NBG334W can communicate with other UPnP enabled devices in a
network.
Table 102
Feature Specifications
FEATURE
SPECIFICATION
Number of Static Routes
7
Number of Port Forwarding Rules
12
Number of NAT Sessions
2048
Number of Address Mapping Rules
10
Number of Bandwidth Management
Classes
3
Number of DNS Name Server Record
Entries
3
Table 103
Standards Supported
STANDARD
DESCRIPTION
RFC 867
Daytime Protocol
RFC 868
Time Protocol.
RFC 1058
RIP-1 (Routing Information Protocol)
RFC 1112
IGMP v1
RFC 1305
Network Time Protocol (NTP version 3)
Table 101
Firmware Features
FEATURE
DESCRIPTION
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Appendix A Product Specifications and Wall-Mounting Instructions
NBG334W User’s Guide
232
Wall-mounting Instructions
Do the following to hang your NBG334W on a wall.
"
See the
Figure 133 on page 233
for the size of screws to use and how far
apart to place them.
1
Locate a high position on a wall that is free of obstructions. Use a sturdy wall.
2
Drill two holes for the screws. Make sure the distance between the centers of the holes
matches what is listed in the product specifications appendix.
1
Be careful to avoid damaging pipes or cables located inside the wall when
drilling holes for the screws.
3
Do not screw the screws all the way into the wall. Leave a small gap of about 0.5 cm
between the heads of the screws and the wall.
RFC 1631
IP Network Address Translator (NAT)
RFC 1723
RIP-2 (Routing Information Protocol)
RFC 2236
Internet Group Management Protocol, Version 2.
RFC 2516
A Method for Transmitting PPP Over Ethernet (PPPoE)
RFC 2766
Network Address Translation - Protocol
IEEE 802.11
Also known by the brand Wi-Fi, denotes a set of Wireless LAN/WLAN
standards developed by working group 11 of the IEEE LAN/MAN
Standards Committee (IEEE 802).
IEEE 802.11b
Uses the 2.4 gigahertz (GHz) band
IEEE 802.11g
Uses the 2.4 gigahertz (GHz) band
IEEE 802.11d
Standard for Local and Metropolitan Area Networks: Media Access
Control (MAC) Bridges
IEEE 802.11x
Port Based Network Access Control.
IEEE 802.11e QoS
IEEE 802.11 e Wireless LAN for Quality of Service
Microsoft PPTP
MS PPTP (Microsoft's implementation of Point to Point Tunneling
Protocol)
MBM v2
Media Bandwidth Management v2
Table 103
Standards Supported
(continued)
STANDARD
DESCRIPTION
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Appendix A Product Specifications and Wall-Mounting Instructions
NBG334W User’s Guide
233
4
Make sure the screws are snugly fastened to the wall. They need to hold the weight of
the NBG334W with the connection cables.
5
Align the holes on the back of the NBG334W with the screws on the wall. Hang the
NBG334W on the screws.
Figure 132
Wall-mounting Example
The following are dimensions of an M4 tap screw and masonry plug used for wall mounting.
All measurements are in millimeters (mm).
Figure 133
Masonry Plug and M4 Tap Screw
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Appendix A Product Specifications and Wall-Mounting Instructions
NBG334W User’s Guide
234
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NBG334W User’s Guide
235
A
PPENDIX
B
Pop-up Windows, JavaScripts
and Java Permissions
In order to use the web configurator you need to allow:
Web browser pop-up windows from your device.
JavaScripts (enabled by default).
Java permissions (enabled by default).
"
Internet Explorer 6 screens are used here. Screens for other Internet Explorer
versions may vary.
Internet Explorer Pop-up Blockers
You may have to disable pop-up blocking to log into your device.
Either disable pop-up blocking (enabled by default in Windows XP SP (Service Pack) 2) or
allow pop-up blocking and create an exception for your device’s IP address.
Disable pop-up Blockers
1
In Internet Explorer, select
Tools
,
Pop-up Blocker
and then select
Turn Off Pop-up
Blocker
.
Figure 134
Pop-up Blocker
You can also check if pop-up blocking is disabled in the
Pop-up Blocker
section in the
Privacy
tab.
1
In Internet Explorer, select
Tools
,
Internet Options
,
Privacy
.

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