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Help Center4in1 Multiplexer DTMB-T Modulator (4ASI IN,4 DTMB rf Out)
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4in1 Multiplexer DTMB-T Modulator (4ASI IN,4 DTMB rf out)
PID passthrough/filter
keyborad+LCD,NMS
4IN1 ASI DTMB Modulator
Overview
4IN1 ASI DTMB Modulator has 4×ASI input and 4×DTMB modulating carrier output. Each carrier has independent signal channel encoding and direct RF output. One set of 4in1 DTMB modulator can work as 4 stand alone DTMB modulators, which significantly reduces the network operators’ head-end cost. It suits 1U rack and can be configured by front panel LCD and NMS (network management software).
Technical Specifications
Input |
4×ASI, BNC interface |
|
Output |
Interface |
DTMB RF, F-head |
Impedance |
75Ω |
|
Frequency |
30~900MHz |
|
Modulation Mode |
DTMB (carrier number: 1/3780) |
|
Constellation |
4 QAM-NR, LDPC 0.8 |
|
4 QAM, LDPC (0.4, 0.6, 0.8) | ||
16 QAM, LDPC (0.4, 0.6, 0.8) | ||
32 QAM, LDPC 0.8 | ||
64 QAM, LDPC (0.4, 0.6, 0.8) | ||
Carrier Mode |
single-carrier, multi-carrier |
|
Interleaving |
240, 720 |
|
Error-Correcting Code |
BCH/LDPC |
|
Date Rate |
1.5~32Mbps |
|
Frame Mode |
420 fixed, 595 fixed, 945 fixed, 420 variational, 945 variational |
|
Single Frequency |
MFN/SFN |
|
MER |
≥40dB |
|
BER |
0 |
|
Level Attenuation |
0~30dB (0.5dB step) |
|
Control |
IP remote |
NMS (Ethernet Port, RJ-45), 10/100m base-TX, |
Front panel |
Keyboard + LCD |
|
General Features |
Size |
410mm×280mm×44mm |
Temperature |
0~45°C (Operation); -20~80°C (Storage) |
|
Power |
100-240VAC, 50Hz, 25W |
|
Order Guide
4117 |
4in1 DTMB-T Modulator(4ASI IN,4 DTMB RF out) |
4137 |
4in1 Multiplexer DTMB-T Modulator(4ASI IN,4DTMB out) |
Network management Software
dtmb modulator
Programs multiplexer :
Assembling :
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