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2.7 Connection of DECT Portable Stations
Installation Manual 85
2.7 Connection of DECT Portable Stations
2.7.1 Overview
The following equipment is required to connect the wireless system:
CS: Cell Station (KX-TDA0141CE)
This unit determines the area covered by the wireless system. Up to 2 calls can be made at
the same time through each CS.
Note for users in Europe
This Cell Station Unit for DECT is for connection to a Panasonic PBX of a European
country.
PS: DECT Portable Station (KX-TD7590/KX-TD7580)
The KX-TDA30 can support up to 28 PSs. For more details about the PS, please refer to the
PS Operating Instructions.
RF Specification
CAUTION
• The CS should be kept free of dust, moisture, high temperature (more than 40 °C),
low temperature (less than 0 °C), vibration, and should not be exposed to direct
sunlight.
• The CS should not be placed outdoors (use indoors).
• The CS should not be placed near high voltage equipment.
Item Description
Radio Access Method Multi Carrier TDMA-TDD
Frequency Band
1880 MHz to 1900 MHz
*1
*1
The number may vary depending on the country/area. In Taiwan, it is 1880 MHz to 1895 MHz.
Number of Carriers
10
*2
*2
The number may vary depending on the country/area. In Taiwan, it is 8.
Carrier Spacing 1728 kHz
Bit Rate 1152 kbps
Carrier Multiplex TDMA, 24 (Tx12, Rx12) slots per frame
Frame Length 10 ms
Modulation Scheme GFSK
Roll-off factor=0.5 50 % roll-off in the transmitter
Data Coding for Modulator Differential Coding
Voice CODEC 32 kbps ADPCM (CCITT G.721)
Transmission Output Average 10 mW
Peak 250 mW