Opengear 449016, RJ45 Serial Adapter for Cisco/Sun, 5.91" RJ-45 Network Cable for Network Device, First End: 1 x 8-pin RJ-45 Network, Male

RJ-45 Plug to RJ-45 Jack adapter with translation wiring for Cisco and Sun devices Plug the male plug of the 449016 into the Cisco equipment being managed. Then connect the 449016 female jack to your CM4000 with a standard Cat5 UTP cable (e.g 440016).