DISCONTINUED OH 77D (MPEG-4, Dolby)
Wisi DVB-S/S2– analog-channel processing headends with CI (MPEG-4, Dolby) OH 77D
Wisi OH77D DVB-S/S2– analog-channel processing headends with CI (MPEG-4, Dolby)
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.
FEATURES:
- Reception of a DVB-S/S2-Signal and modulation to an analogue TV-channel
- MPEG 2 and MPEG 4 compatible
- Dolby digital decoding
- 1x CI slot for central decryption
- NICAM Encoder
- Input frequency range 950–2150 MHz
- Output frequency range 45–862 MHz
- Vestigial sideband modulator
TECHNICAL DATA:
Input | |
| Input frequency range | 950...2150 MHz |
| Input frequency steps | 1 MHz |
| Input level range | 47...70 dBµV |
| AFC | ±10 MHz |
| Modulation type | QPSK, 8PSK |
| Symbol rate | 1...45 MS/s |
| FEC outer DVB-S | RS 204,16 |
| FEC inner DVB-S | Conv. 1/2, 2/3, 3/4, 5/6, 7/8 |
| FEC outer DVB-S2 | BCH |
| FEC inner DVB-S2 | LDPC 1/2, 3/5, 2/3, 3/4, 4/5, 5/6, 8/9, 9/10 |
Output | |
| Output frequency range | 45...862 MHz |
| Output frequency steps | 250 kHz |
| Frequency stability | ±30 MHz |
| Output channel bandwidth (coupelt) | 7/8 MHz |
| Output level | 90...105 dBµV (1 dB-steps) |
| Amplitude response (O-E) | ±1 dB |
| Spurious suppression | >58 dB |
| TV standards | B/G, D/K, I, L, M, N |
| Video Standard | PAL, SECAM, NTSC |
| Video formats | 4:3/16:9/4:3 Zoom |
| Video decoder | MPEG 2 MP@ML, MPEG 4 H.264 |
| audio decoding | MPEG 2 (L1/L2), Dolby (AC3, EAC3) |
| Video-S/N | >57 dB |
| Audio-S/N | >50 dB |
Connectors | |
| F-socket | 2 pcs. (HF in, HF out) |
| Common Interface for Descrambling | 1 pcs. |
General data | |
| Power consumption | <11 W (without CAM) |
| LNB supply voltage | 12 V |
| LNB electrical power supply | 0.9 A |
| Dimensions (width x height x depth) | 29,5 x 105 x 253 mm |
| Operating temperature range | -20...+55 °C |