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NDS3542 dvb-s2 to dvb-t modulator --
4 * QPSK S/S2 to DVB-T transmodulator
Product Overview
NDS3542 series products are DEXIN’s all-in-one devices which integrate Demodulation, trans-mux and modulation (DVB-C, DVB-T, ISDB-T or ATSC) to convert satellite signals into digital RF output. Its pluggable structure design greatly facilitates the change of modules (RF/HDMI/CVBS/SDI/YPbPr/…) as needed. The unit in this sheet is a 1-U case which supports 4 DVB-S/S2 RF inputs with 4 CAMs accompanied. The CAM requires NO unsightly external power cords, cables, or additional remote control device.
To meet customers’ various requirements, NDS3542 is also equipped with 1 ASI input, and output with 2 ASI ports and 1 UDP IP port.
The output modulated signals are to be received by TVs, STB and etc with corresponding standard.

Pluggable Demodulating Module with 2*CAM accompanied

1*Module = 2*RF/Loop out + 2*CAM + 2*Smartcard

Key Features
n Demodulation + modulation + mixer modules in one box
n 2*2 QPSK S/S2 Tuner inputs
n 2*2 CAM with 2*2 CI-slot, one CAM can decrypt multiple programs
n ASI in/out with re-mux
n 1 IP output
n RF mixed in, RF mixed out (DVB-T)
n LCN support (Logical Channel Number)
n Excellent modulation quality: MER≥42dB
n LCD display, Remote control and Firmware, web NMS management
n Updates via web
n Best quality and breakthrough price
Principle Chart

Technical Specifications
Input
4xDVB-S/S2 RF (HDMI/SDI/ YPbPr/CVBS /… optional) |
1×ASI input for re-mux, BNC interface |
1×RF input for combiner |
Tuner Section
QPSK-S
Input Frequency | 950-2150MHz | |
Symbol rate | 2-45Msps | |
Signal Strength | - 65- -25dBm | |
FEC Demodulation | 1/2, 2/3, 3/4, 5/6, 7/8 QPSK | |
QPSK-S2 | ||
Input Frequency | 950-2150MHz | |
Symbol rate | 2-45Msps | |
Code rate | 1/2, 3/5, 2/3, 3/4, 4/5, 5/6, 8/9, 9/10 | |
Input Impedance | 75Ω | |
Demodulation Mode | QPSK, 8PSK | |
Frequency Stepping | 500 KHz | |
DVB-T Modulator Section
Standard | EN300744 |
FFT mode | 2K, 8K |
Bandwidth | 6M, 7M, 8M |
Constellation | QPSK, 16QAM, 64QAM |
Guard Interval | 1/4, 1/8, 1/16, 1/32 |
FEC | 1/2, 2/3, 3/4, 5/6, 7/8 |
MER | ≥42dB |
RF frequency | 30~960MHz, 1KHz step |
RF out | COFDM DVB-T out |
RF output level | -30~ -10dbm (81~97 dbµV), 0.1db step |
Stream Output
1*RF |
2×ASI outputs, BNC interface |
MPTS over UDP, 10/100Base-T Ethernet interface (UDP unicast / multicast) |
Interface
Local interface | LCD + control buttons |
Remote management | Web NMS Management |
Language | English |
General
Power supply | AC 100V~240V |
Dimensions | 482*300*44.5mm |
Weight | 4 kgs |
Operation temperature | 0~45°C |






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