14215700-IG, Edition 15.0
May 2020, Original document
187
Administration of Spectralink IP-DECT
Base Stations
Note:
Not relevant to the Spectralink IP-DECT Server 200.
It is necessary to connect base stations to the system and configure synchronization for the Spec-
tralink IP-DECT Base Stations.
In a multi-cell DECT system, the base station radios must be synchronized to each other to achieve
the optimum handover experience, when handsets are moving around among the base stations.
The synchronization of the base stations can be determined using one - or a combination - of the fol-
lowing synchronization methods (sync. methods):
l Radio based synchronization
Base stations that synchronize with each other via radio must be within radio coverage of each
other.
l LAN based synchronization (license required)
For more information about ordering and downloading a license, see "Ordering Licenses" on
page61 and "Loading Licenses" on page62.
Note:
Synchronization via LAN and radio can be combined in the same DECT installation.
Even when a base station is configured to synchronize via LAN, the base station trans-
mits the signal required for synchronization via radio. Therefore, base stations syn-
chronizing via radio can retrieve their synchronization signal from a base station
synchronizing via LAN.
If configured as Radio/LAN Gateway, an IP-DECT Base Station will use an over-the-air
synchronization as the source of synchronization and act as a LAN sync master. With this
type it is possible to add a LAN synchronized segment of IP-DECT Base Stations to an
existing synchronization chain of base stations.
To get an overview or in case of troubleshooting, it is possible to:
l Check the synchronization state of the base station. For more information, see "Checking
Sync State of Spectralink IP-DECT Base Station" on page206.
l Check LAN synchronization performance of the base station. For more information, see
"Checking LAN Sync Performance of Spectralink IP-DECT Base Station" on page207.
l Check for loops in the synchronization chain. For more information, see "Checking for Loops"
on page210.
l Check that base stations are assigned to the correct site. For more information, see "Verifying
Correct Base Station Assignment to Site" on page210.
l Change synchronization type of many/all base stations at the same time. For more inform-
ation, see "Bulk Changing Synchronization Type" on page210
Spectralink IP-DECT Server 200/400/6500 and Virtual IP-DECT Server One Installation and Configuration Guide
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