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WISI Compact Headend OH is easy to configure
With up to 14 module slots it offers channel processing for 14 analogue or 28 digital channels in a 3 HU 19 rack chassis
WISI Compact Headend OH operates on a high efficiency power supply, with low consumption modules in order to make a minimum ecological impact and a low operational cost
The USB connection and the RJ45 interface can be used to execute software updates for the basic unit as well as for the modules
Furthermore, all functions can be furnished from a distance per web browser
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Transmodulation from DVB-T/T2/C to DVB-T with the inclusion of CI interfaces for descrambling the unit can deliver services transparently or through PID filtering selected digital servicesRegeneration of the DVB-T services to a DVB-T- COFDM signal transparent or select services with PID filteringIntegrated conditional access interface for both channelsInternal NIT generation availablePID filtering availableInput range 110-878MHz DVB-C/T/T2
Input Frequency Range 110878MHz
Input Frequency Steps 250kHz
Input Level Range 47-90dBµV
Channel Bandwidth 7/8MHz
COFDM Spectral 2 k and 8 k FFT
COFDM Modulation Scheme QPSK 16-QAM 64-QAM
COFDM Guard Interval 1/32 1/16 1/8 1/4
COFDM FEC Inner Code Conv. K=7 G=1/2 2/3 3/4 4/5 5/6 7/8
QAM Modulation Scheme 16- 32- 64- 128- 256-QAM
QAM Symbol Rate 17 MBaud
Output Frequency Range 47862MHz
Output Frequency Steps 250kHz
Output Stability ±30KHz
Output Channel Bandwidth (bonded) 2 x 7/8 MHz
Output Level 82-97dBµV
Stability of Output Level ±1dB
Spurious Outside TV Channel >50dB
SNR 41dB
MER 37dB
Modulation (COFDM) QPSK 16- 64-QAM
FEC 1/2 2/3 3/4 5/6 7/8
Guard Interval 1/4 1/8 1/16 1/32
FFT Mode 2k 8k
Bit Stuffing Yes
PCR Correction Yes
PID Filtering Yes
NIT editing Yes
Connectors RF F-connector
Current Consumption ca. 0.5 A / 12 V
Power Consumption <10W
Operating temperature -20° - + 55°C