Sapido Gr-1100, Руководство пользователя

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By default, the Mode is “ 802.11B/G ”.
3. ESSID
You can use the default ESSID and radio channel unless more than GR-1100 or Access
Point is deployed in the same area. Under this situation, you should use a different
ESSID and radio channel for each GR-1100 or Access Point. All GR-1100 and your
wireless LAN card must have the same ESSID to allow a wireless mobile client to roam
between GR-1100s. By default, the ESSID is set to “ 3G_Mini_Server ”.
4. TxRate
Select the transmission rate for the network. The default setting is Auto.
5. Channel
IEEE 802.11g and 802.11b devices are direct sequence spread spectrum devices that
spread a radio signal over a range of frequencies. The range of frequencies used by a
direct sequence device is called Channel.
The 802.11g and 802.11b specification supports up to 14 overlapping Channels for radio
communication. But only 11 Channels are supported in the United States and therefore
on GR-1100. To minimize interference, configure each GR-1100 to use Non-overlapping
channels. Non-overlapping channels have 25 MHz separation beginning at the first
allowed channel for the country (for the US and most of Europe, channel 1, 6 & 11 are
used.)
Make sure that GR-1100 sharing the same Channel (or Channels close in number) is as
far away from each other as possible, based on the results of your site survey of the
facility. You can find the site survey utility in GR-1100’s setup CD. By default, the channel
is “ 6 ”.
6. Hide SSID
This term is used to increase the security level. Check it to hide SSID information
against the wireless clients that are sniffing radio. By default, this option is inactive.
7. TxPreamble
The default TxPreamble setting is Long.
8. Beacon Interval
Beacons are packets sent by an access point to synchronize a wireless network.
Specify a beacon interval value. Default (100) is recommended.