40G BiDi
Cisco innovations in BiDi optics enable the re-use of existing duplex multimode fiber infrastructure. The BiDi optic transmits signals over one multimode fiber pair. You don't need to add fiber for more expensive parallel fiber infrastructure and MPO connectors.
By re-using existing fiber infrastructure, cables, connectors, patch panels, and patch cords, data centers can save up to 65% per link as they migrate from 40G to 100G and 400G.
Cisco BiDi provides deployment flexibility in data center leaf-spine and top-of-rack architectures.
40/100G BiDi
Cisco innovations in dual rate 40/100G BiDi enables incremental data center upgrades to 40G and 100G without the need to add more optical fiber into the cable infrastructure or more expensive MPO connectors.
The dual rate optic transmits 40G over one multimode fiber pair, and when ports on both ends are upgraded to QSFP28 it can transmit 100G rates.
100G BiDi
Cisco innovations in 100G BiDi enable data center links to transmit 100G signals over one multimode fiber pair.
This innovation enables data center upgrades to 100G without the need to add more optical fiber into the cable infrastructure or more expensive MPO connectors.
The Cisco 100G SR1.2 operates with 50G PAM4 channels providing an aggregate bandwidth of 100G over the single fiber pair.
100/400G BiDi
Cisco 100G SR1.2 BiDi offers forward interoperability to 400G links, enabling seamless data center speed migrations to higher speeds
Cisco SR1.2 optics can interoperate with 100G links to the new Cisco 400G BiDi modules, or through 4x100G breakout links from Cisco 400G SR4.2 optics.
400G BiDi
Cisco 400G BiDi leverages innovations in proprietary DSP designs with advanced equalization for 400G transmission over duplex MMF.
It operates with 4x100G PAM 4 signals over a fiber pair, sending two wavelengths per fiber per direction.
Cisco is the only vendor offering a 400G duplex multimode fiber transceiver today.
Cisco 400G BiDi is fully qualified across Cisco Nexus switches with QSFP-DD ports.