35 DTE/DCE DB60-DB60 Crossover Back-to-Back Cable use d to connect Cisco 1600/1700/2500/2600/3600 (WIC-1T NM-4A/S NM-8A/S on the 2600 and 3600) Series routers via their serial ports to simulate Frame-Relay and other WAN topologies
It is manufactured from China
This cable is a 3ft V. 35 DTE/DCE DB60-DB60 Crossover Back-to-Back Cable use d to connect Cisco 1600/1700/2500/2600/3600 (WIC-1T NM-4A/S NM-8A/S on the 2600 and 3600) Series routers via their serial ports to simulate Frame-Relay and other WAN topologies. It is manufactured from China