M2000-00
T2000-A450X CTCSS & Scrambler Kit
8.10.1
Copyright TEL 31/12/97
8.10 T2000-A450X CTCSS & Scrambler Kit
The T2000-A450X CTCSS and scrambler PCB plugs into an options connector on the top
side of the T2000 Series II logic PCB, and can be configured in two ways:
The CTCSS option is used in trunked radios, and has 38 independent receive and trans-
mit tones, set by solder links on the T2000-A450X PCB.
The scrambler option can be used in either trunked or conventional radios, and is ena-
bled/disabled by the auxiliary ( ) key (conventional models) or function ( )
key (trunked models). The scrambler uses a simple frequency inversion algorithm that
prevents casual eavesdropping by other radio users. After descrambling, the recovered
speech suffers from some degradation in clarity.
Note:
The T2000-A4500 CTCSS kit is only compatible with the following radio and
PGM software versions:
The following topics are covered in this Section:
Product Code Option T201X T2020 T203X T2040 T2050
T2000-A4500 CTCSS xx
x
T2000-A4502 Scrambler
Radio
Radio Software
Vers ion
PGM Software
Version
T2030 3.24 or later
later than 1.44
T2035 3.28 or later
T2040 5.36 or later later than 2.57
Section Title Page
8.10.1 Components Required 8.10.2
8.10.2 Fitting 8.10.2
8.10.3 T2000-A450X Link Options 8.10.3
8.10.4 PCB Information 8.10.5
Fn
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