Polytron Headend Series, Руководство пользователя

Страница: 47 / 48

47
10. Technical data
Type PXU 848 C PXU 848 T
Article no. 5552300 5552305
Inputs 8
CI slots 4
Multiplexing 8 x 8 (service based)
Input connector A
Connector F female
Input frequency 950 - 2150 MHz (1 MHz steps)
Input level 50 - 80 dBµV
Input connector B
Connector F female
Input frequency 110 - 862 MHz (250 kHz steps)
Input level 50 - 80 dBµV
Demodulator
DVB-S/S2
SR DVB-S / QPSK 1 - 45 MS/s
SR DVB-S2 / QPSK 1 - 45 MS/s
SR DVB-S2 / 8PSK 1 - 45 MS/s
Modulation 8PSK / QPSK
CR DVB-S / QPSK 1/4, 1/3, 2/5, 1/2, 3/5, 2/3, 3/4, 4/5, 5/6, 8/9, 9/10
CR DVB-S2 / 8PSK 3/5, 2/3, 3/4, 5/6, 8/9, 9/10
Roll off 0.35, 0.25, 0.20
DVB-T
Modulation QPSK, 16QAM, 64QAM
FFT 2K, 8K
Bandwidth 7, 8 MHz
Code rate 1/2, 2/3, 3/4, 5/6, 7/8
Guard interval 1/4, 1/8, 1/16, 1/32
DVB-T2
Modulation QPSK, 16QAM, 64QAM, 256QAM
FFT 1K, 2K, 4K, 8K, 16K, 32K
Bandwidth 7, 8 MHz
Code rate 1/2, 3/5, 2/3, 3/4, 4/5, 5/6
Guard interval 1/4, 5/32, 1/8, 5/64, 1/16, 1/32, 1/64, 1/128
DVB-C
Modulation 16QAM, 32QAM, 64QAM, 128QAM, 256QAM
Symbol rate 0.2 - 7.2 MS/s
Bandwidth 6, 7, 8 MHz
Output modulation ex works DVB-C DVB-T
Modulation
16QAM, 32QAM, 64QAM,
128QAM, 256QAM
QPSK, 16QAM, 32QAM, 64QAM
FEC Reed-Solomon (204, 188) 1/2, 2/3, 3/4, 5/6, 7/8
Symbol rate 1 - 7.2 MS/s /
FFT / 2k
Guard interval / 1/4, 1/8, 1/16, 1/32
Bandwidth 7, 8 MHz (dependent on SR)
α=0.15
7, 8 MHz
Spectrum normal, invers normal, invers
Output
Output channels 8
Frequency range 112 - 862 MHz (250 kHz steps)
Output level 90 dBµV
Channel attenuation 0 - 12 dB (1 dB steps)
MER 40 dB 38 dB (typ.)
Connector F female
Testausgang 112 - 862 MHz, -20 dB
Operation parameters
Power consumption 45 W
Supply voltage 180...265 V, 50/60 Hz
Operation temperature 0 - 45 °C
Dimensions (B x H x T) 380 x 335 x 105 mm