SFP

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SFP

Speed: Up to 1 Gbps

The SFP transceivers support: [1]

  • multi-mode dual fiber (MMF)
  • single-mode dual fiber (SMF)
  • single-mode single-fiber (SMF)
  • Coarse Wave Division Multiplexing
  • unshielded twisted pair (UTP) copper cabling

Connector: LC, RJ45

SFP+

Speed: Up to 16 Gbit/s (usually 10 Gbit/s)

The SFP+ transceivers support: [2]

  • multi-mode dual fiber (MMF)
  • single-mode dual fiber (SMF)
  • single-mode single-fiber (SMF)
  • Coarse Wave Division Multiplexing

Connector: LC, RJ45

Fiber Distance Terms

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Multimode Fiber

SR - Short Range

SR stands for Short Range, and these transceivers support a link length of 300m over multi-mode fiber and use 850nm lasers.

LRM - Long Reach Multimode

LRM stands for Long Reach Multimode, and these transceivers support a distance up to 220m over multi-mode fiber and use 1310nm lasers.

Single-mode Fiber

LR - Long Reach

LR stands for Long Reach, and these transceivers support a distance up to 10km over single mode fiber and use 1310nm lasers.

ER - Extended Reach

reach of 40 kilometers over-engineered links and 30 km over standard links

ZR - Extended Reach

Also stands for Extended Reach. Unofficial format. 80km distance. [3]

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