Aastra OpenCom 130 User Guide - Page 144

Synchronisation, 10.2.3 Setting up the WLAN Function

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DECT over IP® Configuration starts with a different value (e. g. 30), prevention of unintentional handovers is effective. 10.2.2 Synchronisation Transmissions of all DECT base stations at a single location must be synchronised in order that DECT terminals are able to receive multiple DECT base stations simultaneously. Synchronisation can be conducted via Upn access. It cannot be conducted via an Ethernet/IP connection. DECT over IP base stations are thus synchronised via wireless connection. When planning a larger sized DECT network, it is advisable to take the following points into consideration: ■ All DECT over IP base stations at a single location must be able to receive at least one, or even better, two neighbouring base stations. Synchronisation requires less signal strength than a voice connection does. ■ Synchronisation range is increased using multiple base stations. To decrease the probability of a connection breakdown, base stations should not be arranged in chain formation. The signal should be distributed with a network that is as extensive as possible and where each base station is supported by multiple synchronisation partners. ■ To re-synchronise, first wait for all current connections to be terminated. You can operate a DECT network consisting of several remote locations ("clusters"). A cluster is a number of DECT base stations that operate synchronously with each other. No handover is possible between DECT base stations from different clusters. You should configure a second cluster for DECT base stations of a second location. 10.2.3 Setting up the WLAN Function The RFP 42 DECT over IP base station provide the additional function of a Wireless LAN Access Point (WLAN-AP). WLAN refers to data transfer by means of radio waves in accordance with the IEEE 802.11b/g standard. This standard enables a wireless connection to be made to an Ethernet network (LAN) using suitably equipped user terminals. Data transfer via radio waves is very fast. Depending on 142

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DECT over IP
®
Configuration
142
starts with a different value (e. g. 30), prevention of unintentional handovers is
effective.
10.2.2 Synchronisation
Transmissions of all DECT base stations at a single location must be synchronised
in order that DECT terminals are able to receive multiple DECT base stations simul-
taneously. Synchronisation can be conducted via U
pn
access. It cannot be con-
ducted via an Ethernet/IP connection. DECT over IP base stations are thus synchro-
nised via wireless connection.
When planning a larger sized DECT network, it is advisable to take the following
points into consideration:
All DECT over IP base stations at a single location must be able to receive at
least one, or even better, two neighbouring base stations. Synchronisation
requires less signal strength than a voice connection does.
Synchronisation range is increased using multiple base stations. To decrease
the probability of a connection breakdown, base stations should not be
arranged in chain formation. The signal should be distributed with a network
that is as extensive as possible and where each base station is supported by
multiple synchronisation partners.
To re-synchronise, first wait for all current connections to be terminated.
You can operate a DECT network consisting of several remote locations
(“clusters”). A cluster is a number of DECT base stations that operate synchro-
nously with each other. No handover is possible between DECT base stations from
different clusters. You should configure a second cluster for DECT base stations of
a second location.
10.2.3
Setting up the WLAN Function
The RFP 42 DECT over IP base station provide the additional function of a Wireless
LAN Access Point (WLAN-AP). WLAN refers to data transfer by means of radio
waves in accordance with the IEEE 802.11b/g standard. This standard enables a
wireless connection to be made to an Ethernet network (LAN) using suitably
equipped user terminals. Data transfer via radio waves is very fast. Depending on