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Description of Digital Headend
- Lemco™ Digital Headend
- Model Compact Line HCL-804CT
- Inputs: 8x Independent DVB-S / DVB-S2
- Outputs: 4x RF DVB-T/C (Selected by Software)
- IP Speed: Gigabit IP Streaming, (Up to 64x SPTS or 4x MPTS)
- Protocol IP: UDP / RTP (Multicast / Unicast)
- IGMP: v2, v3
- MER: >40dB
- Clean Spectrum RF
- User Friendly LAN Interface
- Wall Mountable: Yes
- Rack Mountable: Yes (2 1/2 U Rack)
- Compact Digital Headend
- Pool Technology
- Ability to Change Programs Without Re-scan
- Custom NIT
- Input Resolution: 1920x1080 @ 50/60 (p/i)
- Output Resolution: Up to 1920x1080 @ 30fps
- HDCP Support: Yes
- Video Encoding: MPEG-4 AVC/H.264
- Audio Encoding: MPEG-1 Layer II / MPEG-2 / AAC (64-320Kbps)
- 5 Year Warranty
- CC 85176200 2.4kg Y
Uses of Digital Headend
- To convert and combine up to 8 HDMI signals to a DVB-T MPEG4 signal
- It would be used mainly in headend TV systems in
- Hotels
- Bars
- Apartment blocks
- It can feed an almost unlimited number of TVs, depends purely on the size of the distribution system
Advantages of Digital Headend
- It provides a very neat and professional single unit solution to combine up to 8 HDMI inputs
- It is possible to also add in existing terrestrial DVB-T signal e.g. Freeview or Saorview into the feed
- The unit is from Lemco, which is a market leader in high end DVB-T modulators
- The DVB-T output can be fed into a TV Distribution system which can feed into 100s of TVs
- Provides an option to use this for an IP TV headend for distribution on local or external networks
- TV setup offers independent viewing of all channels
- HD modulator is easy to install and operate
- 4G - LTE (Long Term Evolution) filtering switch ON-OFF
- It is possible to set the output frequency
- It provides HD picture quality on an RF feed
- Units are stackable - you could build 8, 16, 24 etc channel headends
Disadvantages of Digital Headend
- It is more cost efficient to use stacked single HDMI modulators, especially on smaller jobs
- When combining with existing terrestrial channels, it may be necessary to use a launch amplifier
Overview of Digital Headend
Demonstration of Digital Headend
Web Interface on Digital Headend
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