010-151 · Question #68
Which fiber optic cable type is used most often with a Subscriber connector?
The correct answer is B. single-mode. The SC (Subscriber Connector) is most commonly associated with single-mode fiber because of its precise alignment requirements for long-distance, high-bandwidth links.
Question
Which fiber optic cable type is used most often with a Subscriber connector?
Options
- Adual-mode
- Bsingle-mode
- Cstraight-mode
- Dmulti-mode
- Esubscriber-mode
How the community answered
(53 responses)- A2% (1)
- B83% (44)
- C2% (1)
- D8% (4)
- E6% (3)
Why each option
The SC (Subscriber Connector) is most commonly associated with single-mode fiber because of its precise alignment requirements for long-distance, high-bandwidth links.
'Dual-mode' is not a recognized fiber optic cable classification in any Ethernet or telecommunications standard.
Single-mode fiber has a narrow 9-micron core that requires the precise ferrule alignment that SC connectors provide, making SC the predominant choice in telecom and enterprise WAN deployments. SC connectors on single-mode fiber support long-distance transmission up to tens of kilometers with low signal attenuation, which is the primary use case for which SC was standardized.
'Straight-mode' is not a defined fiber optic cable type in any IEEE or TIA cabling standard.
Multi-mode fiber more commonly uses ST or LC connectors in practice; while SC connectors are physically compatible, single-mode is the dominant pairing for SC in deployed networks.
'Subscriber-mode' is a fabricated term that does not correspond to any defined fiber optic cable category in networking standards.
Concept tested: SC connector pairing with single-mode fiber optic cable
Source: https://www.cisco.com/c/en/us/products/collateral/interfaces-modules/transceiver-modules/product_data_sheet09186a00801b8745.html
Topics
Community Discussion
No community discussion yet for this question.