ZJ3348D 48 in 1 IP QAM Modulator

ZJ3348D 48 in 1 IP QAM Modulator

Short Description:

Product Detail

Product Tags

ZJ3348D 48 in 1 IP QAM modulator is Mux-scrambling-modulating all-in-one device developed by DEXIN. It has 48 multiplexing channels, 12 scrambling channels and 48 QAM (DVB-C) modulating channels, and supports maximum 1536 IP through the 3 GE ports and 48 non-adjacent carriers (50MHz~960MHz) output through the RF output interface. The device is characterized with dual RF output ports which broaden the bandwidth for QAM carriers.

Key Features

● Max 1536 IP input thru 3 GE ports (SFP interface optional)

● Up to 512 PIDs remapping per output channel

● Supports 6 simulcrypt CAs and 12 scrambling channels

● 48 IP out over UDP/RTP/RTSP: IP 1~24 out thru Data1, IP 25~48 out thru Data2

● 48 non-adjacent QAM carriers output: carrier 1~24 out thru RF1, carrier 25~48out thru RF2

● Supports RS (204,188) encoding

● Supports accurate PCR adjusting/CA filtering, PID remapping and PSI/SI editing

● Web-based Network management

Inner Principle Chart

 nrCarrier Setting Illustration










Max 1536 IP in thru 3 GE ports [Data 1 & Data 2 bi-directional ports, Data port (located on front panel), each port can input max 512 IP]

100/1000M self-adaption Ethernet Port (SFP

interface optional)

Transport Protocol TS over UDP/RTP, unicast and multicast, IGMP


Transmission Rate Max 840Mbps for each GE input






Input Channel 1536
Output Channel 48
Max PIDs Remapping 512 per output channel


PID remapping (auto/manually optional)
PCR accurate adjusting
PSI/SI table automatically generating

Scrambling Parameters

Max simulcrypt CA 6
Scramble Standard ETR289, ETSI 101 197, ETSI 103 197
Scramble Channel 12
Connection Local/remote connection





Modulation Parameters


DVB-C Modulator Sectioon

J.83A Constellation :16/32/64/128/256QAM
Bandwidth :8M
J.83B/C Constellation :64/256QAM
Bandwidth :6M
QAM Channel 48 non-adjacent carrier
Modulation Standard EN300 429/ITU-T J.83A/B/C

Symbol Rate

3600~7000Ksps, 1ksps stepping 5057Ksps (J.83B, 64QAM)

5361Ksps (J.83B, 256QAM)

Constellation 16, 32, 64 , 128, 256QAM
FEC RS (204, 188)


RF Output

Interface 2 F type output ports for 48 carriers, 75Ω

Carrier 1~24 out thru RF1, 25~48 thru RF2

RF Range 50~960MHz, 1kHz stepping
Output Level -20dBm~+10dBm(87~117dbµV), 0.1dB stepping
MER ≥ 40dB

TS output

48 IP output over UDP/RTP/RTSP, unicast/multicast, 2*100/1000M self-adaption, Ethernet Ports (SFP).

IP 1~24 out thru Data1, IP 25~48 out thru Data2.

System Network management software (NMS) supporting



Demission 420mm×440mm×44.5mm (WxLxH)
Weight 3kg
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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