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Multiplexer DMP

HDTV Modular Platform


The DX324 a 4 IP Mux-Scrambling and modulation module is the latest generational Mux-scrambling-modulating all-in-one device with high integrated level and performance. The modular design of this device makes each of its daughter cards stand-alone when operating. With each daughter card can receive the UDP format TS through GE port, it can also support up to 12 different IP address or port No. It’s like the all-in-one device is combined 4 multiplexers with 12 channels inputs, 4 scramblers and 4 QAM (DVB-C) modulators, which can output adjacent channel RF carrier(48M~860M)through the two RF output interfaces. Additionally, the 1U chassis for this modulator supports up to 3 modules (12 channels scrambling-modulation) while the 4U chassis supports up to 12 modules (48 channels scrambling-modulation). This DX324 4 IP Mux-Scrambling and modulation module has excellent integrated level, powerful performance and low cost, which is especially adequate for the new generation CATV system.


1.Modular design, 1U chassis supports up to 3 modules, 4U chassis supports up to 12 modules;
2.Completely supporting DVB scrambling system(ETR289), simulcrypt standard ETSI 101 197 and ETSI 103 197;
3.Supporting 2 GE ports backups input, up to 12 IP inputs, network anti-jitter;
4.Supporting UDP protocol, uni-cast and multicast, 1GMP V2/V3;
5.Supporting max 108Mbps per input IP and 840Mbps for all channels;
6.Inputting IP can be multiplexed to 4 output channels;
7.Supporting multiplexing from any input channel to output channel, and it supports up to 256 PIDs remapping per channel;
8.Supporting accurate PCR adjusting;
9.Supporting PSI/SI editing and inserting;
10.Supporting 4 channel simultaneously scrambling, and each scrambling channel supports 4 simulscrypt CA;
11.Fully complying EN300 429/ITU-T J.83A;
12.Supporting 4 QAM modulation carrier output, 2 RF output ports (one for backup);
13.Constellation: 16QAM?32QAM?64QAM?128QAM?256QAM;
14.Symbol rate range: 5.0Msps~7.0Msps;
15. RF output range: 48MHz~860MHz,1kHz stepping;
16. RF output attenuation: -14dBm~6dBm,0.5dB stepping;
18.Supporting network management software (NMS).


Input Interface 2 GE in,RJ45 or SFP port,hot backup
Transport Protocol TS over UDP,uni-cast and multicast, IGMP V2/V3
Transmission Code Max 108Mbps per channel /Max 840Mbps for all channels
MUX Input Channel 12
Output Channel 4
Max PIDs 256 per channel
Functions PID remapping(auto/manually optional)
PCR accurate adjusting
PSI/SI table automatically generating
Parameters Max simulscrypt CA 4
Scramble Standard ETSI 101 197,ETSI 103 197
Connection Local/remote connection


Parameters QAM Channel 4
Modulation Standard EN300 429/ITU-T J.83A
Symbol Rate 5.0~7.0Msps,1ksps stepping
Constellation 16?32?64?128?256QAM
FEC RS(204, 188)

RF Output Interface 2 F type,one for per 4 carriers, 75? impedance
RF Range 48~860MHz,1kHz stepping
Output Level -14dBm~6dBm(output IP from one F type),0.5dB stepping
MER ? 40dB
ACLR -60 dBc
System Network management software (NMS) supporting


Demission (WxLxH) 482mm×455mm×44.5mm
Weight 6.1kg
Temperature 0~45?(operation),-20~80?(storage)
Power Supply AC 100V±10%,50/60Hz or AC 220V±10%,50/60Hz
Consumption 15.4W

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