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In order for Ethernet computers and wireless computers to communicate as
part of the same LAN using TCP/IP, you must configure all devices (Ethernet
and Symphony) to use the same IP network.
By default, a Symphony adapter is configured to accept an IP address from a
DHCP server. If a DHCP server is not present, then the adapter will automati-
cally configure itself with an IP address in the 169.254.0.0 network (this
address range is reserved for private networks and is not valid on the Internet).
If your Ethernet network uses DHCP to assign dynamic IP addresses, then no
additional configuration is required: the Symphony adapters will automatically
receive IP addresses from the Ethernet network’s DHCP server. If necessary,
use the Windows 98/ME IP Configuration Tool (WINIPCFG.EXE) or Win-
dows 2000 IP Configuration program (IPCONFIG.EXE at an MS-DOS
prompt) to release and renew dynamic IP addresses.
However, if your Ethernet network uses static IP addresses (i.e., does not use
DHCP), then you must manually configure each of the wireless clients with IP
addressing information that is valid on the Ethernet network. This includes an
IP address (each client must have a unique address), a subnet mask, default
gateway, and any other TCP/IP parameters that are configured on your
Ethernet clients.
Keep in mind that the Symphony adapter acts like a standard Ethernet card
once installed. The Symphony adapter may use any existing IP addressing
scheme already in use by Ethernet devices and can also be configured to use
any additional networking protocols, such as NetBEUI or IPX/SPX.
Application Hints
This section provides information on the range of Symphony HomeRF prod-
ucts, how to reduce interference with other devices, and how to use the wire-
less network with common applications and peripheral devices.
Range of Symphony HomeRF Products
Two Symphony HomeRF products can communicate over a distance of up to
150 feet. Range is highly dependent upon the particular environment in which
the products are used. Obstacles, such as walls and ceilings, weaken the radio
signals. Metal objects, such as screen doors, window screens, and filing cabi-
nets, also have an adverse effect on range. You should try to avoid placing a
sheet of metal (like a filing cabinet) between two Symphony HomeRF devices.
