Operating Instructions
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4.2 UPnP™ Setup on your PC

This product allows you to use applications and devices that support UPnP™. The UPnP™ function
can be used from either a wire-connected PC or wirelessly connected PC.

UPnP™

Conforming to UPnP™ Forum IGD (Internet Gateway Device), UPnP™ is compatible with the NAT
traversal function*. Therefore, Windows/MSN Messenger can be used simultaneously on several PCs
connected to the LAN side of this product.
*NAT traversal function
This is a series of functions that, after a network recognition application detects that it is working
under the NAT device, distinguishes external IP addresses and sets port mapping which forwards
packets from the outside port to the inside port.

UPnP™ Compatible OSs

OSs that are compatible with the UPnP™ function, are as follows:
Windows XP
Windows Me
Note
Windows 2000 and Windows 98SE can use this product's UPnP™ function by using MSN
Messenger, however it is not officially compatible with the UPnP™ and therefore cannot be
guaranteed.

UPnP™ Compatible Applications

Applications that are compatible with the UPnP™ function are as follows:
MSN Messenger 6.1, Windows Messenger 4.7 (Windows XP)
Windows Messenger is included with Windows XP as standard, and MSN Messenger can be
downloaded from Microsoft®'s website. MSN Messenger has functions such as Instant
Message, Voice Chat, Webcam, Sending Files and Pictures, Remote Assistant, Application
Sharing, Whiteboard and Telephone.
MSN Messenger 6.1 (other than Windows XP)
Can be used on Windows 2000 or Windows 98SE/Me. MSN Messenger has functions such as
Instant Message, Voice Chat, Sending Files and Pictures, and Telephone.
Notes
It is necessary to have DirectX® 8.1 or later installed on the PC using Windows/MSN
Messenger.
When using the Telephone function, it is necessary to update Windows Messenger's audio
related firmware from Microsoft's website.

Number of PCs that can Use the UPnP™ Function

The number of PCs that can use the UPnP™ function depends on the application in use.
Note
The maximum number of port mappings that can be set in UPnP™ setup is 128.