Reference:
CB-DAQSFP-2M
40G QSFP+ Direct-attached Copper Cable (2M in length), which is designed to work with PLANET™ products with a 40G QSFP+ interface to provide high-performance 40G Ethernet network within racks and across adjacent racks over a short distance. The CB-DAQSFP-2M can be installed into PLANET™ 40G SFP+ interface products, such as XGS3-24242 and XGS3-S20X2Q module cards for XGS3-42000R chassis.