Panasonic KX-FC971CX-S Service Manual page 170

KX-FC971CX-S / KX-FGA521CX-S
8.12.1.2.1. TDD Frame Format
8.12.1.2.2. TDMA system
This system is the cycles of 10ms, and has four duplex paths,
so it is possible to perform four duplex communications simultaneously.
In 1 slot 833.3ms, the 10ms of voice data is transmitted.
Each slot makes every frame frequency hop. (100hops/sec)
Although each slot (UpLink3 and UpLink4) is different frequency, UpLink3 and DownLink3 use the same frequency.
· 2 - Handsets Link
Traffic Bearer
A link is established between Base set and handset.
The state where duplex communication is performed.
The hopping pattern of a 75hops (0.75 seconds) cycle.
Dummy Bearer
The Base unit send Dummy-data to the all stand-by state Handsets.
The Handsets receive that data for keeping synchronization and monitoring request from the Base unit.
Dummy Bearer doesn´t contain B-field (sound) data.
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