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Double direction HFC

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2WAY HFC

Typical System Configuration Diagram
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System Features:
1.       It can be used to transmit analog and digital TV programs, as well as provide customer with internet access and develop VOD.
2.       How many customers have access to the system? And how many customers will use internet in the future?
3.       Because the system has more frequency resources, operator can add more downstream data transmission channels at the head-end. Thus, the subscriber will get faster speed.
4.       Make full use of the original transmission network, there is no need to rebuild transmission platform for transmitting data service, saving a lot of investment
5.       The cost of the subscriber for receiving data is less than USD40. They just need a CABLE MODEM for internet access.
 
How to require design and quotation:
 
Questionnaire for the Original HFC Network

 

Project Information
Project Name
 
TV Users
 
Number of Secondary Head-end
 
Optical Node Number
 
The User Number Covered by Each Optical Node
 
 
□ Reserved Two Way
 
□ Centralized Distribution
□ No Transformation
□ Serial Connection to House
System Bandwidth
□ 550MHz
□ 750MHz
□ 860MHz
Trunk Cable
□   -9
□   -12
□ Mesh Grid Shielding
□ Aluminum Tube or Aluminum Strip Shielding
Trunk Connector
□ Waterproof Connector
□ General F Connector
Household Line Connector
□ Cold Pressure F Connector
□ General F Connector
Relay Mode of Secondary Head-end Signal
□ Optical Receiving→ Optical Transmitting
□  Optical Distribution or Optical Amplification
Is there any TV signal of channel 1~5?
□         YES
□         NO
Is there any detailed line design chart?
□         YES
□         NO
The time of last network transformation
 
Is there any feedback optical receiver in the machine room?
□         YES
□         NO
Amplifier
Quantity
 
The Type of Optical Transmitter
 
□   1310nm
□   1550nm
The quantity of Optical Transmitter
 
How many customers have accessed to this system?
How many customers will use internet in the future?
 

 

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