FMUSER DTV4459D 48-Channel IP QAM RF Modulator for CATV

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The FMUSER DTV4459D 48-Channel IP QAM RF Modulator, developed by DEXIN, is an all-in-one device that handles multiplexing, scrambling, and modulating. With 48 multiplexing channels, 12 scrambling channels, and 48 QAM modulating channels, this device supports up to 1536 IP input through its 3 GE ports and can output up to 48 non-adjacent carriers (50MHz~960MHz) through its RF output interface. It also has dual RF output ports that broaden the bandwidth for QAM carriers.

 

This modulator supports up to 512 PIDs remapping per output channel, 6 simulcrypt CAs, and 12 scrambling channels. Additionally, it can output 48 IP channels over UDP/RTP/RTSP, with IP channels 1~24 out through Data1, and IP channels 25~48 out through Data2. It can output 48 non-adjacent QAM carriers, with carrier channels 1~24 out through RF1 and carrier channels 25~48 out through RF2.

 

This device supports RS (204,188) encoding and offers features such as accurate PCR adjusting/CA filtering, PID remapping, and PSI/SI editing. It also comes with web-based network management.

 

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Terms

Specs

Input

Input

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 V2/V3

Transmission Rate

Max 840Mbps for each GE input

Mux

Input Channel

1536

Output Channel

48

Max PIDs Remapping

512 per output channel

Functions

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

General

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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