Product Overview
Arista offers a broad portfolio of high performance optical transceivers and copper cables for datacenter and campus networks, with speeds ranging from 1G to 800G, and reach from 1m to 80km+. Arista’s Optical Modules and Cable portfolio offer a wide variety of high-density and low-power 800G (dual 400G), 400G, 200G, 100G, 50G, 40G, 25G, 10G, 1G, and 100M Ethernet connectivity options over fiber or copper.
To accommodate an increasing spectrum of applications, Arista offers a wide choice of OSFP, QSFP-DD, QSFP, SFP, SFP-DD and DSFP transceivers and cables that comply with industry standards, offering a broad range of connectivity options. Each module is optimized for different media and reach (ranging from 0.5 meters to 80 kilometers). All interface speeds, from 1G to 400GE have connectivity options that include Direct Attach copper Cables (DACs), Active Optical Cables (AOCs), multi-mode fiber and single-mode fiber transceivers.
Arista Optics Advantages
Supported 40 Gigabit Ethernet QSFP+ Cables and Optics
Link lengths of 0.5, 1, 2, 3 and 5m over twinax copper cable
Link lengths of 3, 5, 7, 10, 15, 20, 25, 30, 50, 75 and 100m over Active Optical Cables
Up to 100m link lengths over parallel OM3 or 150m over OM4 MMF
ptical interoperability with 40GBASE-XSR4 up to 100/150m
Up to 300m link lengths over parallel OM3 or 400m over OM4 MMF
Optical interoperability with 40GBASE-SR4 up to 100/150m
Up to 100m link lengths over duplex OM3 or 150m over duplex OM4 MMF
Up to 150m over duplex OM3/OM4 MMF
Up to 500m over duplex SMF
Interoperates with 40GBASE-LR4 and 40G-LRL4 up to 500m
Up to 10km link lengths over duplex single-mode fiber
Up to 1km over Single Mode Fiber
Interoperates with 40GBASE-LR4 up to 1km
Up to 10km over parallel single-mode fiber
Interoperates with 10GBASE-LR (10km) and 10G-LRL (1km) with 4x10G splitter option
Up to 1km over parallel Single Mode Fiber
Inter-operates with 10G-LRL (1KM) with 4x10G splitter option
Up to 40km link lengths over duplex Single Mode Fiber
Table 1. Arista 40 Gigabit Ethernet QSFP+ Optical Specifications
PHY Type | Connector Type | Wave-length (nm) | Cable Type | Core Size (um) | Modal Bandwidth (MHz*Km) | Tx power (dBm) | Rx power (dBm) | Max Reach |
40GBASE-SR4 | MPO-12 UPC | 850 | OM3 OM4 | 50.0 50.0 | 2000 (OM3) 4700 (OM4) | -7.6 to +2.4 / lane | -9.5 to +2.4 / lane | 100m 150m |
40GBASE-XSR4 | MPO-12 UPC | 850 | OM3 OM4 | 50.0 50.0 | 2000 (OM3) 4700 (OM4) | -7.5 to +1 / lane | -9.9 to +2.4 / lane | 300m 400m |
40GBASE-BIDI | LC | 850 900 | OM3 OM4 | 50.0 50.0 | 2000 (OM3) 4700 (OM4) | -4 to +5 / lane | -6 to +5 / lane | 100m 150m |
40GBASE-UNIV | LC | 1271 1291 1311 1331 | OM3 OM4 | 50.0 50.0 | 2000 (OM3) 4700 (OM4) | -7 to +4.3 / lane | -10 to +4.3 / lane | 150m 150m |
SMF | G.652 | – | -10 to +2.3 / lane | -13.7 to +2.3 / lane | 500m | |||
40GBASE-LR4 | LC | SMF | G.652 | – | -7 to +2.3 / lane | -13.7 to +2.3 / lane | 10km | |
40GBASE-LRL4 | LC | SMF | G.652 | – | -7 to +2.3 / lane | -11.5 to +2.3 / lane | 1km | |
40GBASE-ER4* | LC | SMF | G.652 | – | -2.7 to +3.8 / lane | -21.2 to -4.5 / lane | 40km** | |
40GBASE-PLRL4 | MPO-12 APC | 1310 | SMF | G.652 | – | -8.2 to +0.5 / lane | -12.5 to +0.5 / lane | 1km |
40GBASE-PLR4 | MPO-12 APC | 1310 | SMF | G.652 | – | -8.2 to +0.5 / lane | -14.4 to +0.5 / lane | 10km |
* Proper optical attenuation is required for shorter links to protect the receiver from permanent damage
** Per IEEE 802.3 – Links beyond 30 km over single-mode fiber are considered engineered links
Table 1. Arista 40G Optics Modules and Cables
Part number | Description |
40 Gigabit Ethernet QSFP+ Twinax Copper Cables | |
CAB-Q-Q-0.5M | 40GBASE-CR4 QSFP+ to QSFP+ Twinax Copper Cable 0.5 meter |
CAB-Q-Q-1M | 40GBASE-CR4 QSFP+ to QSFP+ Twinax Copper Cable 1 meter |
CAB-Q-Q-2M | 40GBASE-CR4 QSFP+ to QSFP+ Twinax Copper Cable 2 meter |
CAB-Q-Q-3M | 40GBASE-CR4 QSFP+ to QSFP+ Twinax Copper Cable 3 meter |
CAB-Q-Q-5M | 40GBASE-CR4 QSFP+ to QSFP+ Twinax Copper Cable 5 meter |
CAB-Q-S-0.5M | 4 x 10GbE QSFP+ to 4 x SFP+ Twinax Copper Cable 0.5 meter |
CAB-Q-S-1M | 4 x 10GbE QSFP+ to 4 x SFP+ Twinax Copper Cable 1 meter |
CAB-Q-S-2M | 4 x 10GbE QSFP+ to 4 x SFP+ Twinax Copper Cable 2 meter |
CAB-Q-S-3M | 4 x 10GbE QSFP+ to 4 x SFP+ Twinax Copper Cable 3 meter |
CAB-Q-S-5M | 4 x 10GbE QSFP+ to 4 x SFP+ Twinax Copper Cable 5 meter |
40 Gigabit Ethernet QSFP+ Active Optical Cables | |
AOC-Q-Q-40G-3M | QSFP+ to QSFP+ 40GbE Active Optical Cable 3 meter |
AOC-Q-Q-40G-5M | QSFP+ to QSFP+ 40GbE Active Optical Cable 5 meter |
AOC-Q-Q-40G-7M | QSFP+ to QSFP+ 40GbE Active Optical Cable 7 meter |
AOC-Q-Q-40G-10M | QSFP+ to QSFP+ 40GbE Active Optical Cable 10 meter |
AOC-Q-Q-40G-15M | QSFP+ to QSFP+ 40GbE Active Optical Cable 15 meter |
AOC-Q-Q-40G-20M | QSFP+ to QSFP+ 40GbE Active Optical Cable 20 meter |
AOC-Q-Q-40G-25M | QSFP+ to QSFP+ 40GbE Active Optical Cable 25 meter |
AOC-Q-Q-40G-30M | QSFP+ to QSFP+ 40GbE Active Optical Cable 30 meter |
AOC-Q-Q-40G-50M | QSFP+ to QSFP+ 40GbE Active Optical Cable 50 meter |
AOC-Q-Q-40G-75M | QSFP+ to QSFP+ 40GbE Active Optical Cable 75 meter |
AOC-Q-Q-40G-100M | QSFP+ to QSFP+ 40GbE Active Optical Cable 100 meter |
40 Gigabit Ethernet QSFP+ Optics | |
QSFP-40G-SR4 | 40GBASE-SR4 QSFP+ Transceiver, MPO12 UPC connector, up to 100m over OM3 MMF or 150m over OM4 MMF |
QSFP-40G-XSR4 | 40GBASE-XSR4 QSFP+ Transceiver, MPO12 UPC connector, up to 300m over OM3 MMF or 400m over OM4 MMF |
QSFP-40G-SRBD | 40GBASE-BIDI Bidirectional QSFP+ Transceiver, up to 100m over duplex OM3 or 150m over duplex OM4 MMF |
QSFP-40G-SRBD-R | 40GBASE-BIDI Receiver only QSFP+, up to 100m over duplex OM3 or 150m over duplex OM4 MMF |
QSFP-40G-UNIV | 40G Universal QSFP+ Transceiver, up to 150m over duplex OM3 and OM4 MMF or 500m over duplex SMF |
QSFP-40G-LR4 | 40GBASE-LR4 QSFP+ Transceiver, up to 10km over SMF |
QSFP-40G-LRL4 | 40G QSFP+ Transceiver, up to 1km over duplex SMF |
QSFP-40G-PLR4 | 40G QSFP+ Transceiver, up to 10km over parallel SMF (4x10G LR up to 10km) MTP-12 |
QSFP-40G-PLRL4 | 40G QSFP+ Transceiver, up to 1km over parallel SMF (4x10G LR up to 1km) MTP-12 |
QSFP-40G-ER4 | 40GBASE-ER4 QSFP+ Transceiver, up to 40km over SMF |
