8ASI in CATV rf modulator
USD $1 - $650 /Unit
Min.Order:1 Unit
Chengdu Sochuang Electronics Co., Ltd.
Overview:
SC-4174 8ASI input QAM modulator is one of the main equipment of cable digital TV head-end, it receive data from the encoder, multiplexer, DVB gateway, scrambler, video server and other DVB transport stream, and make RS codes, convolution interleaving and QAM modulation, output 4 channel requency RF signal, with new integrated chip, it has low-power consumption, high 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 |
P1: Modulator Setting:
P2: Multiplexing:
P3: Scrambling:
P4:NIT table insert
P5: PID Passthrough:
P6: Edit PSI table
Cable TV Muxed with IPTV headend system:
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