40G QSFP+ DAC cable: how much do you know?
FiberMall QSFP+ (Quad Small Form-factor Pluggable Plus) copper direct-attach cables (also known as 40G DAC) are suitable for very short distances and offer a highly cost-effective way to establish a 40-Gigabit link between QSFP+ ports of QSFP+ switches within racks and across adjacent equipment using QSFP ports. These cables are used for 40GbE and …