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Configuration Parameters
13
In the United States, the Harmony 802.11a CardBus Card with integral antenna can use
three Channels in 2X mode: Channel 42 (5.21 GHz), Channel 50 (5.25 GHz), and
Channel 58 (5.29 GHz). See "Radio Frequency interference requirements" on page 7
for important regulatory information concerning Channel selection.
Radio Frequency interference requirements
The Harmony 802.11a Access Point is restricted to indoor use only. FCC 15.407(e)
requires this product to be used indoors in the frequency range of 5.15 to 5.25 GHz.
Therefore the device should be used indoor only for channel 36, 40, 44, and 48 and
when 2X mode is enabled, channel 42 and 50.
SSID
By default, the Harmony System will configure new Access Points with proxim as the
SSID. The SSID is a string of up to 32 ASCII characters that must match on all
communicating 802.11b devices within the same network. All Harmony Access Points
and Harmony clients must use the same SSID to allow roaming between Access Points.
IP Addressing
The default setting allows the Access Point to receive an IP Address from a DHCP
server (such as an AP Controller) on the local network. Otherwise, enter a static IP
Address, Subnet Mask and Default Gateway into the fields provided.
Security Settings
WEP Encryption
The IEEE 802.11a standard specifies an optional encryption feature, known as Wired
Equivalent Privacy or WEP, that is designed to provide a wireless LAN with a security
level equal to what is found on a wired Ethernet network. WEP encrypts the data
portion of each packet exchanged on the 802.11a network using a 40-bit, 128-bit, or
152-bit encryption algorithm. By default, WEP Encryption is off. When WEP is enabled,
all 802.11a devices within the same Extended Service Set (ESS) or Ad Hoc network
must have the same WEP encryption option and WEP Keys to communicate.
WEP Keys
An 802.11a device with WEP enabled uses a WEP Key to encrypt and decrypt
information. If the WEP Keys do not match on two radios, no data communication will
take place between these devices. For 40-bit encryption, a WEP Key is 10 hexadecimal
digits (0-9 and A-F); for 128-bit encryption, a WEP Key is 26 hexadecimal digits (0-9 and
A-F); and for 152-bit encryption, a WEP Key is 32 hexadecimal digits (0-9 and A-F).
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