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Page 21 / 141 Scroll up to view Page 16 - 20
ZyXEL P-330W User’s Guide
21
Chapter 1 Getting to Know Your P-330W
1.2.1.4
Time and Date
The P-330W
allows you to get the current time and date from an external server when you turn
on your P-330W. You can also set the time manually.
1.2.1.5
Reset Button
The P-330W reset button is built into the rear panel. You can use this button to either cause the
P-330W to reboot, or to reset the P-330W to factor defaults. Use this button to restore the
factory default password to 1234; IP address to 192.168.10.1, subnet mask to 255.255.255.0
and DHCP server enabled with a pool of 32 IP addresses starting at 192.168.10.33. For further
instructions see Chapter 2.
1.2.2
Removable Antenna
The P-330W antenna uses an RP-SMA connection to attach to the P-330W.
It is possible to
remove the antenna and replace it with another antenna that offers different performance
characteristics.
1.2.3
Non-Physical Features
1.2.3.1
Firewall
The P-330W is a home firewall with DoS (Denial of Service) protection. By default, all
incoming traffic from the WAN to the LAN is blocked unless it is initiated from the LAN.
1.2.3.2
802.11b Wireless LAN Standard
The P-330W, complies with the 802.11b wireless standard.
The 802.11b data rate and corresponding modulation techniques are as follows. The
modulation technique defines how bits are encoded onto radio waves.
Table 1
IEEE 802.11b
DATA RATE (KBPS)
MODULATION
1
DBPSK (Differential Binary Phase Shift Keyed)
2
DQPSK (Differential Quadrature Phase Shift Keying
)
5.5 / 11
CCK (Complementary Code Keying)
Note:
The P-330W may be prone to RF (Radio Frequency)
interference from other 2.4 GHz devices such as microwave
ovens, wireless phones, Bluetooth enabled devices, and other
wireless LANs
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Chapter 1 Getting to Know Your P-330W
22
1.2.3.3
802.11g Wireless LAN Standard
The P-330W, complies with the 802.11g wireless standard and is also fully compatible with
the 802.11b standard. This means an 802.11b radio card can interface directly with an 802.11g
device (and vice versa) at 11 Mbps or lower depending on range. 802.11g has several
intermediate rate steps between the maximum and minimum data rates. The 802.11g data rate
and modulation are as follows:
1.2.3.4
Packet Filtering
The packet filtering mechanism blocks unwanted traffic from entering/leaving your network.
1.2.3.5
Universal Plug and Play (UPnP)
Using the standard TCP/IP protocol, the P-330W and other UPnP enabled devices can
dynamically join a network, obtain an IP address and convey its capabilities to other devices
on the network.
1.2.3.6
PPPoE
PPPoE facilitates the interaction of a host with an Internet modem to achieve access to high-
speed data networks via a familiar "dial-up networking" user interface.
1.2.3.7
PPTP Encapsulation
Point-to-Point Tunneling Protocol (PPTP) is a network protocol that enables secure transfer of
data from a remote client to a private server, creating a Virtual Private Network (VPN) using a
TCP/IP-based network.
PPTP supports on-demand, multi-protocol and virtual private networking over public
networks, such as the Internet. The P-330W supports one PPTP server connection at any given
time.
1.2.3.8
Dynamic DNS Support
With Dynamic DNS (Domain Name System) support, you can have a static hostname alias for
a dynamic IP address, allowing the host to be more easily accessible from various locations on
the Internet. You must register for this service with a Dynamic DNS service provider.
Table 2
IEEE 802.11g
DATA RATE (MBPS)
MODULATION
6/9/12/18/24/36/48/54
OFDM (Orthogonal Frequency Division Multiplexing)
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ZyXEL P-330W User’s Guide
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Chapter 1 Getting to Know Your P-330W
1.2.3.9
Network Address Translation (NAT)
Network Address Translation (NAT) allows the translation of an Internet protocol address
used within one network (for example a private IP address used in a local network) to a
different IP address known within another network (for example a public IP address used on
the Internet).
1.2.3.10
Port Forwarding
Use this feature to forward incoming service requests to a server on your local network. You
may enter a single port number or a range of port numbers to be forwarded, and the local IP
address of the desired server.
1.2.3.11
DHCP (Dynamic Host Configuration Protocol)
DHCP (Dynamic Host Configuration Protocol) allows the individual client computers to
obtain the TCP/IP configuration at start-up from a centralized DHCP server. The P-330W has
built-in DHCP server capability, enabled by default, which means it can assign IP addresses,
an IP default gateway and DNS servers to all systems that support the DHCP client.
1.2.3.12
Logging and Tracing
•
System Logs
•
Wireless Logs
•
DoS Logs
1.2.3.13
Wireless Association List
With the Wireless Association List, you can see the list of the wireless stations that are
currently using the P-330W to access your wired network.
1.3
Applications for the P-330W
Here are some examples of what you can do with your P-330W.
1.3.1
Secure Broadband Internet Access via Cable or DSL Modem
You can connect a cable modem, DSL or wireless modem to the P-330W for broadband
Internet access via an Ethernet or a wireless port on the modem. The P-330W guarantees not
only high speed Internet access, but secure internal network protection and traffic management
as well.
Page 24 / 141
ZyXELP-330W User’s Guide
Chapter 1 Getting to Know Your P-330W
24
Figure 1
Secure Internet Access via Cable, DSL or Wireless Modem
1.3.2
Internet Access Application
Add a wireless LAN to your existing network without expensive network cables. Wireless
stations can move freely anywhere in the coverage area and use resources on the wired
network.
Figure 2
Internet Access Application Example
Page 25 / 141
ZyXEL P-330W User’s Guide
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Chapter 1 Getting to Know Your P-330W

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