Overview
DIGICAST DMB-24E Transmodulator is a high‑density integrated demodulation and modulation unit for digital broadcast headend applications. The device accepts 24 FTA tuner inputs and converts them into 16 RF carrier outputs with built‑in multiplexing (or 32× DVB‑C outputs as an option). It also supports 128× MPTS/SPTS UDP/IP inputs and delivers 8× MPTS plus 512× SPTS UDP/RTP IP outputs via its DATA port, while providing transport stream re‑multiplexing through 2 ASI inputs.
Features:
Input Configuration
Version 1: Up to 24 FTA tuner inputs
Version 2: Hybrid Tuner + HDMI input – e.g., 8× DVB‑S/S2 + 8× DVB‑T/T2 + 8× HDMI
Version 3: Single Tuner Type + HDMI input – e.g., 12× DVB‑S/S2 + 8× HDMI
Maximum 24 input channels regardless of type; consult with our sales team for application‑specific configuration.
Operation & Monitoring
Easy‑to‑read color LCD front panel enables simple setup, channel monitoring, firmware checking, and IP address identification without a computer. Full management is also available via a web‑based interface.
Additional Inputs
2 separate ASI inputs for external transport stream multiplexing.
Signal Processing
Supports PCR correction and adjustable PCR intervals.
Modulation Performance
Excellent shoulder performance and high modulation quality (MER).
Reliability
Low power consumption and high reliability, with a Mean Time Between Failure (MTBF) ≥ 50,000 hours.
System Management
Intuitive web‑based system administration.
Design
Highly compact and integrated.
Channel Management
Supports Logical Channel Number (LCN) assignment.
Application
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Various of DTV Broadcasting Systems |
Mall Info and Corporate TV |
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Home Entertainment |
Industrial Monitoring and HD Surveillance |
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Campus TV and Live Sports |
Apartment, Private House |
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Public Broadcasting |
Restaurant, Yacht, Club and Resort |
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Hotel and Hospital TV |
Highway and Railway Mobile Device |
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Museum, Theater and Cinema, Gymnasium |
Airport, Railway Station |
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HDTV Distribution |
Advertisement in Square and so on |
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Specifications
IP Stream Input
Support 128*IP Streaming input SPTS/MPTS UDP/RTP each port, total 3*Gigabit port (DATA1/DATA2/DATA3)
Ethernet port Transport Protocol TS over UDP / RTP unicast and multicast,IGMP V2/V3
Transmission Rate Max 800Mbps for each input
ASI Stream Input
Support: 6*ASI input
Connector: BNC female, 75Ω
Signal Level: 200-800mVp-p
Packet Length: 188 bytes
Maximum bit-rate: per port≤100Mbps
RF Output Modulation
ISDB-T Modulation
ISDB-T RF out: 16*ISDB-T non-adjacent frequency RF out,
Frequency range: 96~864MHz,1Khz one step
ISDB-T Standard ARIB STD-B31
Constellation: DQPSK, QPSK, 16QAM, 64QAM
Guard Interval:1/32, 1/16, 1/8, 1/4
Transmission Mode:2K,4K,8K
Code rate:1/2, 3/4, 5/6, 7/8
Bandwidth:6MHz
TS bit rate＜21 Mbit/s
MER≥40 dB
total output level adjustment -35~-5dBm by 0.1 dB step
DVB-T Modulation
Channel:16*DVB-T non-adjacent frequency RF out
Frequency range: 96~864MHz,1Khz one step
Modulation standard: EN300744
Bandwidth: 6M, 7M, 8M
FFT mode: 2K, 8K
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
TS bit rate＜ 31 Mbit/s
MER≥40 dB
total output level adjustment: -35~-5dBm by 0.1 dB step
ATSC-T Modulation
Channel:16*ATSC-T non-adjacent frequency RF out
Frequency range:96~864MHz,1Khz one step
Constellation: 8VSB
TS bit rate＜19 Mbit/s
MER≥40 dB
total output level adjustment -35~-5dBm by 0.1 dB step
IP Stream Output
Support: 8*IP(MPTS/SPTS) UDP/RTP output from DATA 1Port
Multiplexing
Supports Up to 180 PIDs per channel with PID remapping (manual or auto)
Accurate PCR adjusting
Capable of PSI/SI SDI/PMT/TOT/PAT/BAT/CAT/TDT/NIT Insert
Control and Monitoring
Configuration Interface: Web-based
Remote: Upgrade via network
Connector: RJ45,100M/1000M Ethernet interface
Physical and Power
Voltage 110~220V
Consumption: 18~20W
Operating temperature: 0~50°C
Dimensions: 483mm(W)*360mm(D)*44.5mm(H)
Weight: 7KG/pc
