Condition:

Tested and in good working condition.

Description:

The DVB-compliant Comtech QAM256 Digital Video Modulator and Cable Up Converter meets all DVB requirements for transmission of digital video on broadband coaxial cable and microwave radio. The QAM series features 4-QAM to 256-QAM modulation, 1 to 52 Mbps data rate, 1 to 8 MHz channel spacing and Reed-Solomon forward error correction. The modulator also supports field-changeable RS-422 Parallel, ASI and other standard DVB interfaces. Remote Monitor and Control (M&C) interface is provided through either a RS-485 or Ethernet remote port using SNMP protocol.

Efficient Satellite Bandwidth Utilization


The QAM256 provides efficient bandwidth utilization for digital video distribution systems.

MMDS, LMDS, AML, cable television and multiple dwelling unit systems all benefit from this innovative modulator. QAM modulation
solves the problem of providing multiple video and data channels within bandwidth limitations. The 256 also has the versatility to adapt to the terrestrial broadband medium and give system operators full management and control of the available bandwidth.
The space and money-saving internal cable up converter option conveniently removes the need for an external converter unit.
The modulator meets the specifications of the ITU-T recommendation; J.83 Annex A & B (Telecommunication Standardization of the ITU for television and sound transmission).

Field Changeable RF Interface Modules 


The interface module is a field-changeable module that contains either RS-422 parallel, ASI or other standard interface. The interface accepts data in an MPEG-2 transport format. The data is then passed to the channel encoder for processing.
The Channel Encoder synchronizes to the MPEG-2 transport frame and performs scrambling (energy dispersal), and Reed-Solomon encoding (240, 188) and interleaving.


Features:

- 1 to 52 Mps
- Optional Ethernet interface
- MPEG-2 compliant
- QAM to 256-QAM modulation
- Cost-effective headend solution
- Internal cable up converter or fixed IF output

Included:

1 - Radyne ComStream QAM-256 Digital Video Modulator/Upconverter 1U Rackmount

(Unit only, does not include power line cord)

Payment:

I require immediate payment on all buy it now listings.

Shipping:


I will try my best to ship within 24 hours of payment received and cleared. I have a 2 business day handling time for all items sold. I only ship within the continental United States. If you would like this in another country please message me first and we can work out the details. I will provide a FedEx / UPS tracking confirmation upon shipment. This item will ship via FedEx / UPS Ground Shipping in a secured box/envelope in bubble wrap and padding. If you require this item sooner please reach out to me and I can look into other delivery options.

Feedback: 

I will leave positive feedback upon payment being received. I would appreciate positive feedback in return when item is received. If item arrives not as stated please contact me before leaving negative/neutral feedback and I will take care of the problem promptly, I really appreciate this as I strive to provide excellent service and accurate description of each item sold.

Returns:

I do not accept returns for this item.

Questions:

I will try to respond to all questions within 24 hours. Thank you