


Параметр |
U158
|
| Network interfaces | |
| Management | 2 × 100 Base-T Ethernet (RJ 45) |
| Data | 2 × 1000 Base-T Ethernet (RJ 45) |
| Protokol | IEEE802.3 Ethernet, RTP, ARP, IPv4, TCP/UDP, HTTP, SNTP, IGMPv3 |
| Transport stream editing | |
| Decapsulation | UDP, UDP / RTP, 1-7 packets, FEC |
| Transport stream editing | transparent (188 or 204 packets) |
| QAM Modulator | |
| Modulation | 16-, 32-, 64-, 128-, 256-QAM |
| Signal processing | accord. DVB standard |
| Spectrum shape (cos-roll-off), % | 15 |
| FEC | Reed-Solomon (204, 188) |
| Data rate adjustment | Yes |
| PCR-correction | Yes |
| NIT-handling, PID-remapping | Yes |
| Output symbol rate, Msymb/s | 3,45 - 7,5 (for 2 adjacent channels) |
| Bandwidth, MHz | 4 - 8 depending on output symbol rate |
| Brutto data rate, Mbit/s | 55,2 |
| MER (Equalizer), dB | ≥ 44 |
| HF Modulator | |
| Connectors, Om | 75,2 × F-jack |
| Frequency range, MHz | 47 - 862, digital modulation |
| Output level, dBµV | 114 |
| Return loss, dB | > 14 |
| Spurious frquency distance, dB | > 60 |
| Common data | |
| Power consumption, W | 48 |
| Dimensions | 1 HU, 19 inch |
| Ambient temperature, °C | 0 … +45 |
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