Amphenol SF-NLNAMB0001-0001 400-Gigabit Ethernet QSFP-DD (Double Density) Loopback Adapter Module, Insertion Loss (dB) = 0.0 dB, Power Rating (W) = 0.0 W, for QSFP-DD Port Testing, Silver

About this item Test your network’s 200G/400G QSFP-DD ports with our QSFP-DD loopback Protocol-independent design works with copper or optical QSFP-DD ports Loopback module features 0dB attenuation and 0W power consumption Quad Small Form Factor Pluggable DD (QSFP-DD) MSA compliant design Guaranteed drop-in replacement for competing OEM QSFP-DD Loopbacks