Supported Optics and Cables 1

Interface Type

400G QSFP-DD ports

400GBASE-CR8

QSFP-DD to QSFP-DD: 1m-2.5m lengths

400GBASE-AOC

QSFP-DD to QSFP-DD: 1m-30m lengths

400GBASE-SR8

100m OM3/4 Parallel MMF

400GBASE-DR4

500m Parallel SM

400GBASE-XDR4

2km Parallel SM

400GBASE-FR4

2km Duplex SM

400GBASE-LR4

10km Duplex SM

400GBASE-PLR4

10km Parallel SM

400GBASE-ZR

120km (with optical amplification)

200GBASE-CR4

QSFP-DD to 2xQSFP: 1m to 2.5m lengths

200GBASE-SR4

100m (QDD-400G-SR8 / QSFP-200G-SR4)

200GBASE-FR4

2km (using QSFP-200G-FR4)

100GBASE-CR2

QSFP-DD to 4xQSFP: 1m to 3m lengths

100GBASE-CR4 2

QSFP-DD to 2xQSFP: 1m to 3m lengths

50GBASE-CR

QSFP-DD to 8xQSFP: 1m to 3m lengths

50GBASE-CR2 2

QSFP-DD to 4xQSFP: 1m to 3m lengths

25GBASE-CR 2

QSFP-DD to 8xSFP: 1m to 3m lengths

Interface Type

100G QSFP ports

100GBASE-SR4

70m OM3 / 100m OM4 Parallel MMF

100GBASE-XSR4

150m OM3 / 300m OM4 Parallel MMF

100GBASE-SWDM4

70m OM3 / 100m OM4 Duplex MMF

100GBASE-SRBD

70m OM3 / 100m OM4 Duplex MMF

100GBASE-LR

10km Duplex SM

100GBASE-LR4

10km Duplex SM

1. For a complete list of transceivers, please refer to the Transceiver Datasheet and check EOS release notes for support

2. Requires OSFP / QSFP-DD port to be configured for 200G, 8 x 25G NRZ lanes. Allows interop with 100G QSFP and 25G SFP ports

Arista Optics and Cables

The Arista 7280R3A Series supports a wide range of 10G to 400G pluggable optics and cables. For a complete list of modules,

detailed technical specifications and the first EOS Software release which provides support for a specific module, visit

https://www.arista.com/en/products/transceivers-cables.

7280R3A Series | Optics

Supported Optics and Cables 1

Interface Type

100G QSFP ports

100GBASE-LRL4

2km Duplex SM

100GBASE-XCWDM4

10km Duplex SM

100GBASE-CWDM4

2km Duplex SM

100GBASE-FR

2km Duplex SM

100GBASE-DR

500m Duplex SM

100GBASE-PSM4

500m Parallel SM

100GBASE-AOC

1m to 30m lengths

100GBASE-ERL4

40km Duplex SM

100GBASE-CR4

QSFP to QSFP: 1m to 5m lengths

50GBASE-CR2

QSFP to 2xQSFP: 1m to 5m lengths

Interface Type

40G QSFP ports

10GBASE-CR

QSFP+ to 4xSFP+: 0.5m-5m lengths

40GBASE-CR4

QSFP+ to QSFP+: 0.5m-5m lengths

40GBASE-AOC

3m to 100m lengths

40GBASE-UNIV

150m OM3 / 150m OM4, 500m SM

40GBASE-SRBD

100m OM3 /150m OM4 Duplex MMF

40GBASE-SR4

100m OM3 /150m OM4 Parallel MMF

40GBASE-XSR4

300m OM3 /400m OM4 Parallel MMF

40GBASE-PLRL4

1km (1km 4x10G LR/LRL)

40GBASE-PLR4

10km (10km 4x10G LR/LRL)

40GBASE-LRL4

1km Duplex SM

40GBASE-LR4

10km Duplex SM

40GBASE-ER4

40km Duplex SM