1888810-2 Accessory Type, TE Connectivity QSFP Dust Cover for XFP Connector, 1888810-2

TE Connectivity QSFP / XFP EMI Dust Cover
EMI plug for use with QSFP and XFP cage systems. These dust covers provide EMI containment for unused ports and keep the interface free from debris and contamination.
QSFP+ Connectors and Cable Assemblies - TE Connectivity
The Quad Small Form-factor Pluggable (QSFP) interconnect system from TE Connectivity is a four-channel package, offering 3 times the density of traditional SFP ports and supports speeds up to 10Gb/s per channel (suitable for 8G Fiber Channel and 10G Ethernet). The system is ideal for switches, routers, and host bus adapters (HBA's) where bandwidth is essential.