OS6855-24 Hardened Gigabit Ethernet L3 fixed configuration chassis in a 1U form factor designed to operate in harsh environments. It has 20 RJ-45 connectors individually configurable to 10/100/1000 BaseT four of which are PoE capable and 4 combo ports. On the combo ports, either copper or fiber can be used on a one for one basis. The bundle comes with OS6855-PSL-DL power supply, power shelf, user manual access card and rack mounts. Ethernet optical transceivers and backup power supplies can be ordered separately.