Cisco 9900 Series 50-1000MHz RF Signal Splitter Teardown

Cable TV Networks

This Cisco headend/hub RF combining and splitting networks is used in Hybrid Fiber-Coaxial networks. HFC is a telecommunications industry term for a broadband network that combines optical fiber and coaxial cable. Advanced HFC networks include numerous 2-way interactive services that have changed the requirements for the configuration and flexibility of the systems.

Are you looking for more RF related teardown videos, articles and circuit analysis? Check out the complete list here!

Primary Applications

  • Narrowcasting or zoned program delivery
  • Data over cable
  • Telephony
  • Network status monitoring
  • IPPV, NVOD, and VOD program delivery
  • Other interactive 2-way services; banking, security, energy management, etc.

RF installation

These come in 2-way, 4-way, 8-way, DC-10, and DC-20 modular configuration for easy field upgrade of splitting/combining
networks. 5-90 MHz and 50-1000 MHz frequency coverage for all module types. Module size of 5¼ inches and overall assembly height of 7 inches. Allows for 16 application slots in only 4 RU of space. Both F connector and BNC connector models
available.

Datasheet: https://www.cisco.com/c/dam/en/us/products/collateral/video/rf-signal-management/product_data_sheet0900aecd806d1979.pdf

Discussion of teardown: https://highvoltageforum.net/index.php?topic=1822.0

Mads Barnkob

Electrician, programmer, experimenter and amateur scientist with experience in industry automation, programming and all kinds of high voltage generating electronics. Administrator of https://kaizerpowerelectronics.dk and the high voltage community forum https://highvoltageforum.net

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