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delivering an aggregate bandwidth of 400 Gbps
it can connect multiple DGX Spark nodes to a 400G switch
35m (115ft) Pre-terminated MPO 2x2 Shuffle Trunk Cable
It is built with Type B polarity and a magenta LSZH jacket with an 80cm breakout for flexible deployment
Arista QDD-400G-ER4 Compatible 400GBASE-ER4 QSFP-DD PAM4 LWDM4 1310nm 40km SMF Duplex LC DOM/DDM Optical Transceiver Module Breakout DAC delivering an aggregate bandwidth ofDescription NADDOD Arista QDD 400G ER4 Compatible 400G QSFP DD ER4 is a 400Gb s QSFP DD optical transceiver module designed for long haul transmission. It converts eight 50Gb s PAM4 electrical inputs into four LAN WDM optical channels, multiplexed into a single 400Gb s optical signal. On the receive side, the 400Gb s signal is demultiplexed and converted back into eight 50Gb s PAM4 electrical outputs. Operating at LAN WDM wavelengths of 1295. 56,
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