14MM-OH89 - Twin DVB-C/T/T2 to COFDM Transmodulator
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14MM-OH89 - Twin DVB-C/T/T2 to COFDM Transmodulator  Packaging Image

Twin DVB-C/T/T2 to COFDM Transmodulator


Product Summary

Powerful technology, compact dimensions, modular and flexibly expandable; the WISI COMPACT HEADEND System OH combines all the advantages of an innovative and affordable headend. 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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Features and Benefits

  • 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 services
  • Regeneration of the DVB-T services to a DVB-T- COFDM signal, transparent or select services with PID filtering
  • Integrated conditional access interface for both channels
  • Internal NIT generation available
  • PID filtering available
  • Input range 110-878MHz DVB-C/T/T2

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Pack Quantity

Inner: 1 box of 1 piece


Input Frequency Range 110–878MHz
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 1–7 MBaud
Output Frequency Range 47–862MHz
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
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