VDSL Router
User Manual
32
DTIM interval value. The clients hear the beacons and awaken as needed
to receive the broadcast and multicast messages.
Beacon
interval
The amount of time (in milliseconds) between beacon transmissions, each
of which identifies the presence of an access point. By default, wireless
clients passively scan all radio channels, listening for beacons coming from
access points. Before a client enters power-save mode, it needs the beacon
interval to determine when to wake up for the next beacon (and learn
whether the access point has any messages for it). User can enter any
value between
1
and
65535
, but the recommended range is
1 - 1000
.
XPress™
Technology
XPress™ Technology
is a feature in which two of our devices can
communicate with each other at twice the normal rate.
54g+ is a technology that achieves higher throughput with frame-bursting. With
54g+ enabled, aggregate throughput (the sum of the individual throughput of
each network client) improves by up to 25% in 802.11g-only networks, and up
to 75% in mixed networks containing both 802.11g and 802.11b equipment.
54g
™ mode
Set this 54g+ mode to
54g Auto
for the widest compatibility, or to
54g
Performance
for the fastest performance with 54g-certified equipment.
Select
802.11b Only
if all user’s wireless clients support 802.11b mode
only.
54g LRS
(Limited Rate Support) is intended to support "legacy"
(802.11b) clients that can't deal with access points which advertise
supported rates in their beacon frames other than the original 802.11's 1
and 2 Mbps rates. Use
54g LRS
only if user can't get a connection with the
other three modes.
54g
™
protection
The 802.11g standards provide a protection method so 802.11g and
802.11b devices can co-exist in the same network
without “speaking” at the
same time. Do not disable 54g protection if there is a possibility that a
802.11b device will use user’s wireless network. In
Auto
mode, the wireless
devices use RTS/CTS to improve 802.11g performances in mixed
802.11g/802.11b networks. Turn protection off to maximise 802.11g
throughput under most conditions.
Preamble
Type
A preamble is a signal that synchronises the timing between two or more
wireless devices, allowing all wireless systems to recognise the start of
transmission.
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