40G Cabling Technical Q&A Document
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Arista 40G Cabling and Transceivers: Q&A
40Gigabit Cables and Transceivers
Q. What 40G cables and transceivers are available from Arista?
A. Arista supports a full range of both copper cables and optical transceivers for 40GbE, compliant
to the IEEE standards. For copper both QSFP+ to QSFP+ (40G to 40G) and QSFP+ to SFP+ (40G
to 4x10G) cables enable short reach options. For longer distances Arista offers a wide range of
optical transceivers for various fiber types and reach requirements.
40GBASE-SR4 QSFP+ transceiver, up to 100m over parallel OM3 or 150m over
OM4 multi-mode fiber
40GBASE-XSR4 QSFP+ transceiver, up to 300m over parallel OM3 or 400m over
OM4 multi-mode fiber
40G Universal QSFP+ transceiver, up to 150m over duplex OM3 or OM4 fiber, 500m
over duplex single-mode fiber
40G QSFP+ optic, up to 1km over parallel SMF (4x10G LR up to 1km) MTP-12
40G QSFP+ optic, up to 10km over parallel SMF (4x10G LR up to 10km) MTP-12
40GBASE-LR4 QSFP+ transceiver, up to 1km over single-mode fiber
40GBASE-LR4 QSFP+ transceiver, up to 10km over single-mode fiber
4 x 10GbE QSFP+ to 4 x SFP+ Twinax Copper Cables
4 x 10GbE QSFP+ to 4 x SFP+ twinax copper cable, 0.5M
4 x 10GbE QSFP+ to 4 x SFP+ twinax copper cable, 1M
4 x 10GbE QSFP+ to 4 x SFP+ twinax copper cable, 2M
4 x 10GbE QSFP+ to 4 x SFP+ twinax copper cable, 3M
4 x 10GbE QSFP+ to 4 x SFP+ twinax copper cable, 5M
40GbE QSFP+ to QSFP+ Twinax Copper Cables
40GbE QSFP+ to QSFP+ twinax copper cable, 0.5M
40GbE QSFP+ to QSFP+ twinax copper cable, 1M
40GbE QSFP+ to QSFP+ twinax copper cable, 2M
40GbE QSFP+ to QSFP+ twinax copper cable, 3M
40GbE QSFP+ to QSFP+ twinax copper cable, 5M
40GbE QSFP+ to QSFP+ twinax copper cable, 7M
40GbE QSFP+ to QSFP+ Active Optical Cables
QSFP+ to QSFP+ 40GbE Active Optical Cable 3 meter
QSFP+ to QSFP+ 40GbE Active Optical Cable 5 meter
QSFP+ to QSFP+ 40GbE Active Optical Cable 7 meter
QSFP+ to QSFP+ 40GbE Active Optical Cable 10 meter
QSFP+ to QSFP+ 40GbE Active Optical Cable 15 meter
QSFP+ to QSFP+ 40GbE Active Optical Cable 20 meter
QSFP+ to QSFP+ 40GbE Active Optical Cable 25 meter
QSFP+ to QSFP+ 40GbE Active Optical Cable 30 meter
QSFP+ to QSFP+ 40GbE Active Optical Cable 50 meter
QSFP+ to QSFP+ 40GbE Active Optical Cable 75 meter
QSFP+ to QSFP+ 40GbE Active Optical Cable 100 meter
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