Single port 10/100/1000T copper gigabit module AT-A46 This expansion module provide optional uplink ports for the 8000 series, 8500 series and 8600 series. It is designed for the one or two expansion slots on the front of the 10/100 switches. It offers flexibility in building or expanding your network. Features RJ-45 connector type 10/100/1000T Hot-swappable / Removeable