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This massive 100-meter length provides the perfect balance of reach and high-quality signal purity to brighten up your daily digital routine across vast facility floors
It is specifically crafted to bridge the distance between distant switch tiers while maintaining the high fiber density required for modern data center architectures
making it ideal for short-range top-of-rack connectivity within Cisco environments
Designed with Type B polarity and a yellow LSZH (OFNR) jacket
Featuring TX-1310nm/RX-1490nm BiDi technology and a Simplex LC connector
Cisco QDD-400G-ER4-S Compatible 400GBASE-ER4 QSFP-DD PAM4 LWDM4 1310nm 40km SMF Duplex LC DOM/DDM Optical Transceiver Module Model:QDD-400G-ER4 This massive 100-meter length providesDescription NADDOD Cisco QDD 400G ER4 S 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,