SG0-001 · Question #448
Which of the following distances is supported for 50 micron multimode cable for 4 Gb/s Fibre Channel?
The correct answer is A. 150 meters (492 feet). For 4 Gb/s Fibre Channel, 50 micron multimode cable supports a maximum distance of 150 meters.
Question
Which of the following distances is supported for 50 micron multimode cable for 4 Gb/s Fibre Channel?
Options
- A150 meters (492 feet)
- B350 meters (1148 feet)
- C600 meters (1968.5 feet)
- D2000 meters (6561 feet)
How the community answered
(49 responses)- A90% (44)
- B2% (1)
- C6% (3)
- D2% (1)
Why each option
For 4 Gb/s Fibre Channel, 50 micron multimode cable supports a maximum distance of 150 meters.
According to Fibre Channel standards, 50 micron (OM2) multimode fiber cable supports a maximum distance of 150 meters (492 feet) for 4 Gb/s Fibre Channel connections. This specification is crucial for proper SAN design and performance.
350 meters is typically supported by OM3 (laser-optimized 50 micron) multimode cable for 4 Gb/s Fibre Channel, not standard 50 micron multimode.
600 meters is supported by OM4 (laser-optimized 50 micron) multimode cable for 4 Gb/s Fibre Channel, or OM3 for 1 Gb/s, exceeding the capability of standard 50 micron multimode.
2000 meters or longer distances are generally supported by single-mode fiber optic cables for Fibre Channel, not multimode fiber.
Concept tested: Fibre Channel distance specifications
Source: https://www.cisco.com/c/en/us/products/collateral/interfaces-modules/fibre-channel-modules/product_data_sheet0900aecd8044737d.html
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