- Casey
- September 27, 2023
- 8:18 am
John Doe
Answered on 8:18 am
A 100G SWDM4 transceiver is a type of optical transceiver that uses short wavelength division multiplexing (SWDM) technology to transmit 100G data over a standard duplex multimode fiber (MMF). It has four channels of 25G each, and uses four wavelengths in the 850nm window. It can support up to 100m over OM4 MMF or up to 150m over OM5 MMF. It is compatible with QSFP28 form factor and LC connectors. It is a cost-effective and easy-to-deploy solution for upgrading data centers from 10G/40G to 100G Ethernet without changing the existing MMF infrastructure.
It is supported on all Arista QSFP 100G ports and can be used for links up to 70m of OM3 fiber or up to 100m of OM4 fiber. The SWDM4 Tx port transmits 100G data over 4 x 25Gbps wavelengths, and the Rx port receives data over 4 x 25Gbps wavelengths. The wavelengths are in the “short wavelength” range (850nm–940nm).
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