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Overview:
SC-4174 QAM modulator&scrambler is one of the main equipment of cable digital TV head-end, it receive data from the encoder, multiplexer, DVB gateway, Satellite receiver, video server and other device, and make RS codes, convolution interleaving and QAM modulation, With built-in 4 channel scrambler, it support to co-work with 4 different CAS, and it also support multiplexing the input TS stream to 4 channel output, support programs sorting,programs name editing, and it also support PSI/SI editing. After multiplexing and scrambling,it output 4 channel RF signal. SC-4144 adopt a new integrated circuits ADV9789 with low power consumption, high performance and good signal quality.
Features
. Meet DVB standard channel coding;
. Support full range of variable Symbol Rate and QAM mode;
. 8M cache, anti-burst stream;
. Data filling function;
. Support IP data injection;
. Configurable PID filter, re-mapping, PSI, SI information update;
. Support NIT table inserts;
. Real-time transport stream monitoring;
. PCR correction;
. Fixed or variable frequency output;
. Provide RF output monitoring port (-20dB);
. Local and remote control;
. LCD display;
. High reliability design, stable operation.
. Support Annex-A (Europe).
Technical Specification:
Input |
8 ASI(SC4174) |
BNC |
4 DVB-C/QAM(SC4174) |
F-head |
|
Output |
4 Channel QAM/DVB-C RF |
F-head |
Impedance |
75ohm |
|
RF Frequency |
47MHz~860MHz (agile or fixed output) |
|
Output LEV |
>=115dBmV |
|
Output LEV adjustable range |
0-20 dB(1 dB stepping) |
|
Output Return Loss |
>=12 dB |
|
MER |
>33dB |
|
BER |
0 |
|
Modulation Mode |
16,32,64,128,256,1024QAM |
|
Symbol rate |
1~7Mbaud/s |
|
Error-correcting codes |
RScode188/204 |
|
Input Bitrate |
1.5~51Mbps |
|
Channel Data Rate |
20~56Mbps |
|
Features |
Size |
44mm*482*410mm |
Environment |
0 ~ 45(Operating);-20 ~ 80(Storage) |
|
Power |
100-240VAC(-+10%),50Hz,25W |
|
Management/Control |
Network management software by IP port |
|
Keypad + LCD | ||
Cable TV mux with IPTV headend
3 years warranty for headend products, 1 year for STB.
Chengdu Sochuang Electronics Co.,Ltd. welcome to visit our website:
Any question, please contact Skype ID: jackpeng2000
Send Inquiry to This Supplier
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