16 Frequency Multifunction QAM Modulator with Scrambling
Model No: GQ-3650DS Series
Gospell GQ-3650DS series is a new DTV product platform of multifunction QAM modulators. The series includes various products which all provide functions of multiplexing, scrambling, modulation, some of them also support QAM-to-QAM and QPSK-to-QAM conversions.
GQ-3650DS series supports module authorization management system, by which the number of modulating channels and CAS channels can be added / deleted anytime by software. The products also supports web-based management and SNMP, which makes it possible for remote online control and monitoring.
Due to its versatilities, GQ-3650DS series can be applied to different places upon customers’ needs, such as cable DTV head-end, sub head-end, or broadcasting center. This product series is designed for fulfilling customized needs of various DTV head-ends with its capability of providing multiple functions in one unit.
List of Product:
|
Name |
Model |
Sub Moel |
Input Interfaces |
Output Interfaces |
|---|---|---|---|---|
| Multifunction QAM Modulator with E3/DS3 | GQ-3650DS-E | GQ-3650DS-E | 8*ASI,4*E3/DS3 | 1*RF |
| QPSK-to-QAM Multifunction QAM Modulator | GQ-3650DR-S | GQ-3650DR-S | 8*ASI,4*RF(DVB-S/S2) | 1*RF |
| QAM-to-QAM Multifunction QAM Modulator | GQ-3650DR-C | GQ-3650DR-C | 8*ASI,4*RF(DVB-C) | 1*RF |
| Multifunction QAM Modulator | GQ-3650DA | GQ-3650DA-1 | 12*ASI | 1*RF |
| GQ-3650DA-2 | 10*ASI | 1*RF,2*ASI | ||
| Multifunction QAM Modulator | GQ-3650DP | GQ-3650DP-1 | 8*ASI,1*IP | 1*RF |
| GQ-3650DP-2 | 8*ASI,1*IP | 1*RF,2*ASI |
Main Features:
- Flexible configurations with module authorization management system
- Changeable input / output interfaces by swithing the daughter boards
- Complied with ITU- T J.83 Annex A, B, C
- Support UDP / ARP / ICMP / IGMP protocols
- Support TS over IP, multiplexing, scrambling, PSI/SI processing, mudulation, and up-converting
- Up to 4 CAS simul-crypt
- QAM Mode: 16/32/64/128/256
- QAM output frequency range: 30~860MHz
- Support MPTS
- Up to 64 programs for each modulating channel
- Capable of processing 128 PIDs for a single program
- Support HD/SD program
- Web based management for online remote upgrade and control
- SNMP for online remote monitoring
- Power failiure memory recovery
List of Authorizations:
|
Item |
Function |
Remark |
|---|---|---|
| Level 1 | 1*MC | Standard Configuration (MC refers to modulation channel) |
| Level 2 | 1*MC+ Scramble | |
| Level 3 | 2*MC | |
| Level 4 | 2*MC+ Scramble | |
| Level 5 | 4*MC | |
| Level 6 | 4*MC+ Scramble |
GQ-3650DS Series Common Technical Specifications:
| ASI Interface | |
| Physical Type | BNC- Female |
| Impedance | 75Ω |
| Data Format | 188-byte TS packet |
| E3/DS3 Interface | |
| Physical Type | BNC-Female |
| Impedance | 75Ω |
| Bandwidth | E3: 34.368 Mbps, DS3: 44.736 Mbps |
| RF Output Interface | |
| Physical Type | F- Female |
| Impedance | 75W |
| Number of Interface | 1 |
| Output Frequency Range | 30 860MHz |
| QAM Mode | 16/32/64/128/256QAM |
| Standard | EN300 429 |
| Multiplexing & Scrambling | |
| Multiplexing | Auto-generation / manual insert of PSI/SI tables |
| Smart search of programs | |
| Up to 512 multiplexed programs | |
| Scrambling | Program- level scrambling |
| 4 CAS simul- crypt | |
| Up to 256 scrambled programs | |
| EMM Bandwidth
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