FOCN Compact Fiber Optic Node
  • FOCN

Blonder Tongue FOCN Compact Fiber Optic Node

Blonder Tongue's  FOCN-20X Series is a low-cost, compact 2-way node designed to deliver the full array of CATV services presently available and those planned for the future. These services include video (analog and digital), high speed data and telephony. The FOCN has applications for the direct fiber transmission of CATV RF signals in MDU, industrial, government and educational facilities, or wherever a high performance compact indoor node is required. The unit is constructed with high quality components enabling it to meet or exceed its performance specifications in an uncontrolled indoor environment with wide temperature variations. The FOCN-20X is available in 5 models. All models have at their core a 1310/1550 nm optical receiver with exceptional optical sensitivity and 28 dBmv RF output at an optical input of -1dBm. The differences between the models pertain to return path operation.

Models are available in both 1-way or 2-way configurations. The 2-way models are availabe with either a 1310 nm FP laser or a 1310 nm or 1550 nm DFB laser. All 2-way models have a return RF bandwidth of 5-42 MHz. Other standard features include LEDs for optical input and laser status. Powering is via a 12 VDC supply and can be accomplished in either of two ways. To power locally, a separate power connector marked “+12 VDC power in“, is provided. Alternately, the unit can accept 12 VDC from its RF output connector, thus permitting remote powering by diplexing the 12 VDC supply onto the RF output.

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