The 40G QSFP+ Direct-attached Copper Cable 0.5M (Part number: CB-DAQSFP-0.5M) from Planet is a LAN Switches. LAN switch is a fundamental part of a network, it creates a series of instant networks that contain only the two devices communicating with each other at that particular moment.
40G QSFP+ Direct Attach Copper Cable for XGS3-24242(v2) hardware stacking port - 0.5 Meters