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AQ1600 IPQAM Modulator

ASCENT’s AQ1600 is a new generation of modular & high density IPQAM combining TS-over-UDP/RTP input and output, transport stream re-multiplexing, scrambling, PSI/SI processing and 16/32/64/128/256QAM modulation in an 1RU. It supports up to 48 or 72 QAM modulation channels by using three external pluggable 16 or 24QAM channel modules, each QAM module supporting up to two Gigabit copper interfaces. Moreover, AQ1600 supports 1+1 redundant & hot-swappable power supplies for high reliability and overall stability of the system. Its pay-as-you-grow modular design, flexible configuration and licensing mechanism are making the AQ1600 extremely scalable, very reliable with high performance, all of which are important to cable operators.

    1RU modular design, supporting up to three pluggable QAM modules

    16 or 24 QAM output channels per module, up to 48 or 72 QAM output channels in 1RU

    Supports 1+1 redundant & hot-swappable power supplies

    1+1 redundant copper interfaces per QAM module, supporting TS-over-UDP/RTP input and output

    Supports multiplexing, pass-through, scrambling, PSI/SI processing and QAM modulation

    Supports up to 64 programs per QAM channel and 16 PIDs processing capability per program

    Supports SD and HD audiovisual streams simultaneously

    ITU-T J.83 Annex A/C (or A/B/C) compliant, 6 MHz or 8 MHz bandwidth

    Supports up to four DVB SimulCrypt CAS(s) and complies with DVB-CSA

    Multiple firmware options to enable up to four scrambling channels

    Scrambling processing up to 1024 programs

    Supports UDP/ARP/ICMP/IGMP protocols

    Supports PID filtering, pass-through, PCR auto-correction

    Self-adaptive filter circuit design ensures outstanding out-of-band rejection

    Front panel accessible network management and console port, supporting Web and SNMP management


Chassis

Rear Panel

3 x pluggable QAM module slots*

Front Panel

1 x 10/100 Base‑T Control Port (RJ45)

1 x Serial Console Port (RJ45)

Power Supply

Built‑in AC PSU

Optional 1+1 redundant hot‑swappable PSU

Input Voltage: 90 VAC to 250 VAC, 50/60Hz

Notes:

Hot‑pluggable is not supported, make sure the power cord was disconnected before insert or replace QAM modules! 

QAM Module

IP Input & Output

Interface

2 x 100/1000 Base‑T Ethernet

RJ45 connector

Operation Mode

Independent or redundant

Data Format

TS‑Over‑IP(UDP/RTP)

MAC Layer Access

IEEE 802.3

Modulation Output ‑ Type B

Output Connector

1 x RF Output

1 x ‑20dB RF Test Port

Connector Type

F‑Type (Female, 75 Ω)

RF Frequency Range

30 to 860 MHz

Bandwidth

6 or 8MHz

Numbers of channel

16 QAM modulation channels (or carriers)

Modulation Standards

ITU‑T J.83 Annex A, B and C

Constellations

Annex A: 16/32/64/128/256QAM

Annex B: 64/256QAM

Annex C: 32/64/128 /256QAM

Symbol Rate

Annex A: 4.2 to 7 M Baud

Annex B: 5.057 M Baud

Annex C: 4.2 to 5.3 M Baud

RF Output Power Level

98 dBµV to 119 dBμV (RF output port)

70 dBµV to 90 dBμV (‑20 dB test port)

MER

≥38 dB (64QAM, 6.875M Baud)

SNR (Out of band)

≥50 dB

Return Loss

≥14 dB

Gain Fine‑tune

0 to 5.0 dB, Step Size 0.25dB

Modulation Output ‑ Type D

Output Connector

1 x RF Output

1 x ‑20dB RF Test Port

Connector Type

F‑Type (Female, 75W)

RF Frequency Range

30 to 860 MHz

Bandwidth

6 or 8MHz

Numbers of channel

24 QAM modulation channels (or carriers)

Modulation Standards

ITU‑T J.83 Annex A and C

Constellations

Annex A: 16/32/64/128/256QAM

Annex C: 32/64/128/256QAM

Symbol Rate

Annex A: 4.2 to 7 M Baud

Annex C: 4.2 to 5.3 M Baud

RF Output Power Level

98 to 119dBμV (RF output Port)

70 to 90dBμV (‑20dB test port)

MER

≥38 dB (64QAM, 6.875M Baud)

SNR (Out of Band)

≥50 dB

Return Loss

≥14 dB

Gain Fine‑Tune

0 dB to 5.0 dB, step size 0.25 dB

TS Re‑Multiplexing

Capacity of Processing

Up to 1024 programs

PCR

Auto correction

PSI/SI

PSI/SI table auto‑generation, manual insertion, Comply with: ISO/IEC 13818‑1

DVB SI (ESI EN300468)

PID

Remapping and filtering and pass‑through

Real‑Time Statistics

TS rate, program rate, PID rate

TS Scrambling (Software Options)

Scrambling Algorithm

Comply with DVB‑CSA

Numbers of CAS

Optional up to four DVB SimulCrypt CAS(s)

CAS Interface Protocol

TCP/UDP (via Network Management Port)

EMM Bandwidth

Up to 3 Mbps per TS

Scrambling Rate

Up to 60 Mbps per QAM channel

Scrambling Level

Program‑level

Miscellaneous

Front Panel

3.5’’ LCD with 6 x Control Buttons for 2‑line alphanumeric display and settings

3 x Dual color LED, for status indications of power, work and Alarm

Environmental

Operating Temperature

0 °C to +45 °C

Storage Temperature

‑20 °C to +80 °C

Operating Humidity

90 %, non‑condensing

Mechanical

Dimensions (W×H×D)

483 mm × 44.5 mm × 450 mm

Product Weight

Approx. 6.5 kg (fully configured)

 


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