User guide

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Etisalat HSPA WiFi Router USER GUIDE
Option Description
AP Isolation
Select On or Off. By enabling this feature, wireless clients associated with the Access
Point can be linked.
Band
The new amendment allows IEEE 802.11g units to fall back to speeds of 11 Mbps,
so IEEE 802.11b and IEEE 802.11g devices can coexist in the same network. The two
standards apply to the 2.4 GHz frequency band. IEEE 802.11g creates data-rate parity
at 2.4 GHz with the IEEE 802.11a standard, which has a 54 Mbps rate at 5 GHz. (IEEE
802.11a has other differences compared to IEEE 802.11b or g, such as offering more
channels.)
Channel
Allows selection of a specific channel (1-14) or Auto mode.
Auto Channel
Timer (min)
The Auto Channel times the length it takes to scan in minutes.
54g Rate
In Auto (default) mode, your Router uses the maximum data rate and lowers the data
rate dependent on the signal strength. The appropriate setting is dependent on signal
strength. Other rates are discrete values between 1 to 54 Mbps.
Multicast Rate
Setting for multicast packet transmission rate. (1-54 Mbps)
Basic Rate
Sets basic transmission rate.
Fragmentation
Threshold
A threshold (in bytes) determines whether packets will be fragmented and at what
size. Packets that exceed the fragmentation threshold of an 802.11 WLAN will be
split into smaller units suitable for the circuit size. Packets smaller than the specified
fragmentation threshold value however are not fragmented.
Values between 256 and 2346 can be entered but should remain at a default setting of
2346. Setting the Fragmentation Threshold too low may result in poor performance.
RTS Threshold
Request To Send (RTS) specifies the packet size that exceeds the specified RTS
threshold, which then triggers the RTS/CTS mechanism. Smaller packets are sent
without using RTS/CTS. The default setting of 2347 (max length) will disables the RTS
Threshold.
DTIM Interval
Delivery Traffic Indication Message (DTIM) is also known as Beacon Rate. The entry
range is a value between 1 and 65535. A DTIM is a countdown variable that informs
clients of the next window for listening to broadcast and multicast messages. When
the AP has buffered broadcast or multicast messages for associated clients, it sends
the next DTIM with a DTIM Interval value. AP Clients hear the beacons and awaken to
receive the broadcast and multicast messages. The default is 1.
Option Description
Beacon Interval
The amount of time between beacon transmissions in is milliseconds. The default is
100 ms and the acceptable range is 1 – 65535. The beacon transmissions identify the
presence of an access point. By default, network devices passively scan all RF channels
listening for beacons coming from access points. Before a station enters power save
mode, the station needs the beacon interval to know when to wake up to receive the
beacon.
Xpress Technology
Broadcom’s Xpress Technology is compliant with draft specifications of two planned
wireless industry standards. It has been designed to improve wireless network
efficiency. Default is disabled.
54g Mode
Select Auto mode for greatest compatibility. Select Performance mode for the fastest
performance among 54g certified equipment. Select LRS mode if you are experiencing
difficulty with legacy 802.11b equipment. If this does not work, you may also try
802.11b only mode.
54g Protection
In Auto mode, the Router will use RTS/CTS to improve 802.11g performance in mixed
802.11g/802.11b networks. Turning protection Off will maximize 802.11g throughput
under most conditions.
Preamble Type
Short preamble is intended for applications where maximum throughput is desired but
it does not work with legacy equipment. Long preamble works with the current 1 and
2 Mbit/s DSSS specification as described in IEEE Std 802.11-1999
Transmit Power
Set the power output (by percentage) as desired.
Wireless