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HDTA 614 T ASI
Level (input / output): .................................................... 800 mVPP ± 10%
Return loss (input):...............................................> 17 dB (5 … 270 MHz)
COFDM modulator
Signal processing: ......................................................... DIN EN 300744
Transmission modes: ........................................................................... 2k
Types of modulation: ........................................ QPSK, 16 QAM, 64 QAM
Code rates: ............................................................
1
/
2
,
2
/
3
,
3
/
4
,
5
/
6
,
7
/
8
Guard intervals: .........................................................
1
/
4
,
1
/
8
,
1
/
16
,
1
/
32
RF output
Frequency range: ............................................. 42.0 MHz … 860.0 MHz
Channels: ..........................................................C5 … C12, C21 … C69
Output level: ............................................................................. 83 dBμV
Output impedance: ......................................................................... 75
Ω
Connections
SAT inputs: ............................................................................. 2 F sockets
ASI input: .......................................................................... 1 BNC socket
RF output: ........................................................................... 1 IEC socket
Connection strip (10-pin): ..................for supply voltages and control circuits
RS-232 socket: ..................................... serial interface for software update
Common Interface: ......................2 (several channels can be descrambled).
Remote maintenance
Remotely controllable (via PSW 1000*): ..............................................yes
Remote update (via BEflash*): .............................................................yes
(* and a corresponding management unit)
2.4 d
esCriPtion
The quad transmodulator cassette converts all stations modulated according
to DVB-S / DVB-S2 standard (also 16/2 APSK) into four COFDM modulated sig-
nals according to DIN EN 300744 for feeding into a cable network. The cassette
has two digital SAT IF inputs and one RF output.