Fiber Optic Standards and Regulations Flashcards
6 cards from real CFOT practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.
Read the first 6 Fiber Optic Standards and Regulations flashcards as text
What fiber optic standard defines the physical contact (PC), ultra physical contact (UPC), and angled physical contact (APC) connector end-face geometries?
Answer: IEC 61755
IEC 61755 specifies the end-face geometry requirements for PC, UPC, and APC fiber optic connector ferrules.
The TIA-604 series (FOCIS) documents serve what primary purpose?
Answer: Define mechanical and optical intermatability for specific connector types
FOCIS (Fiber Optic Connector Intermateability Standards) documents define dimensions and requirements to ensure connectors from different manufacturers mate reliably.
According to IEEE 802.3, what is the minimum modal bandwidth required for OM3 multimode fiber at 850 nm?
Answer: 2000 MHz·km
OM3 fiber requires a minimum effective modal bandwidth (EMB) of 2000 MHz·km at 850 nm, enabling 10 Gbps over 300 m.
What is the significance of the ANSI/ICEA S-87-640 standard in fiber optics?
Answer: It specifies construction and testing requirements for outside plant fiber optic cables
ANSI/ICEA S-87-640 covers the mechanical, environmental, and optical requirements for outside plant (OSP) fiber optic cable construction.
Which Telcordia (Bellcore) standard defines long-term reliability requirements for fiber optic connectors used in telecommunications networks?
Answer: GR-326-CORE
Telcordia GR-326-CORE specifies environmental, mechanical, and optical reliability requirements for single-mode fiber optic connectors.
Under TIA-568.3-D, what is the maximum allowable attenuation coefficient for OM4 multimode fiber at 850 nm?
Answer: 3.5 dB/km
TIA-568.3-D specifies a maximum attenuation of 3.5 dB/km at 850 nm for OM4 (and OM3) multimode fiber.