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10G Ethernet

Terms

WAN PHY

These can operate with SONET/SDH at STS-192c.

GPON

Gigabit Passive Optical Network. Passive because none of the intermediate gear is powered.

Media TypeWavelengthMediumDistanceIEEE SpecOther Description
SFP+Direct Attach≤ 10 mvendorCan be copper or fiber
10GBASE-CX4Twinax copper≤ 15 m802.3akTend to be bulky
10GBASE-TCAT 6a UTP≤ 100 m802.3anHigh power consumption Gets Hot
10GBASE-T11 pair≤ 15 m802.3chAutomotive
10GBASE-LRM1310 nmMMF≤ 220 m802.3aq“Long Reach Multimode”
10GBASE-SR850 nmMMF≤ 300 m802.3aeUses 64B/66B encoding
10GBASE-SW850 nmMMF≤ 300 m802.3aeWAN PHY
10GBASE-LX4~1310 nm x4MMF≤ 300 m802.3aeCWDM Can be MMF or SMF
10GBASE-LR1310 nmSMF≤ 10 km802.3aeDistributed feedback laser
10GBASE-LW1310 nmSMF≤ 10 km802.3aeWAN PHY,
10GBASE-LX4~1310 nm x4SMF≤ 10 km802.3aeCWDM Can be MMF or SMF
10GBASE-PR1270nm & 1577nmSMF< 20 km802.3avGPON
10GBASE-EW1550 nmSMF≤ 40 km802.3aeWAN PHY
10GBASE-ER1550 nmSMF≤ 40 km802.3aeExternally modulated laser for range
10GBASE-ZR1550 nmSMF≤ 80 kmvendorNot specified by IEEE, may not interoperate

References

10 Gigabit Ethernet - Wikipedia

Testing PAM4 Signaling - 10GBASE-T1 Automotive

Cisco 10GBASE SFP+ Modules Data Sheet - Cisco

Mastering External Modulation in Lasers

Last Modified • Thursday, June 11, 2026. 11:42 pm UTC+00:00 • Commit: 30e0b69