The Alcatel-Lucent OmniSwitch 6465T-12 and 6465T-P12 models are power and acoustically optimized, with a half-rack width, and have a fixed configuration chassis in a 1 RU form factor. All models can operate without fan up to 45°C ambient temperature and with fan can operate up to 60°C. Both models have an internal power supply. PoE model is 802.3af/802.3at compliant and offers 115 W of power for PoE attached devices. All ports of OmniSwitch 6465T-12 and OmniSwitch 6465T-P12 are capable of IEEE 1588v2 and MACsec. OmniSwitch 6465T switches can form a virtual chassis between any models creating a single chassis- like entity using 1G SFP ports. Up to four switches can be connected in a virtual chassis configuration with option to scale up to eight in future. For forming virtual chassis connections, any SFP transceiver or SFP+ Direct attach cables can be used on 1G SFP ports