Cisco SFP+ Copper Twinax (Figure 2) direct-attach cables are suitable for very short distances and offer a cost-effective way to connect within racks and across adjacent racks. Cisco offers passive Twinax cables in lengths of 1. 1.5. 2. 2.5. 3 and 5 meters. and active Twinax cables in lengths of 7 and 10 meters.
