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Difficulty: MediumNetwork and Peripheral Cables and Connectors

A datacenter infrastructure team is installing high-density fiber optic patch panels to interconnect high-speed SAN storage nodes. To maximize port density within 1U rack-mount enclosures, the project specification mandates a dual-strand fiber optic connector utilizing a small form-factor (SFF) design with a push-pull latching mechanism. Which fiber optic connector best meets these requirements?

  1. LC (Lucent Connector)Answer
  2. B
    ST (Straight Tip)
  3. C
    SC (Subscriber Connector)
  4. D
    BNC (Bayonet Neill-Concelman)

Answer

LC (Lucent Connector) is the correct choice because it is a small form-factor fiber optic connector designed specifically for high-density environments using a push-pull latching mechanism.
The LC (Lucent Connector) is a small form-factor (SFF) fiber connector that utilizes a 1.25 mm ferrule and a push-pull latching mechanism. Its compact footprint makes it the standard choice for high-density network switches, SAN patch panels, and SFP/SFP+ transceivers.

Step-by-Step Solution

1
Analyze key requirements from the scenario
Identified key constraints: fiber optic medium, small form-factor (SFF), push-pull latching, and high port density.
Datacenter 1U enclosures require compact connectors to maximize port count per unit space.
2
Compare candidate fiber connector form factors
LC uses a 1.25 mm ferrule (SFF push-pull), whereas SC and ST use 2.5 mm ferrules.
The smaller 1.25 mm ferrule of the LC connector allows twice the port density compared to standard SC or ST connectors.
3
Select the matching connector type
LC (Lucent Connector) satisfies all physical and functional specifications.
LC connectors combine small form-factor housing with a push-pull retaining tab suitable for high-density SAN patch panels.

Key Concept

Fiber Optic Connector Types and Form Factors
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Topics

Network and Peripheral Cables and Connectors

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