ex3400 Ethernet switches are an efficient and cost-effective solution for highly demanding and converged enterprise voice, data, video and access networks. The compact, fixed-configuration 1U appliances offer levels of performance and manageability. Offering 24 10/100/1000Base-T ports, the ex3400 switch also supports IEEE 802.3 af Power over Ethernet to power phones, video cameras, wireless LAN access points and other IP network devices . Four Dual (GbE/10 GbE) ports and two SFP/SFP+ 40 GBE QSFP+ Uplink ports on the front panel are also available for connecting the switches for device charging. The ex3400 supports Juniper's unique virtual chassis technology for interconnecting up to 10 switches that can be managed as a single device. The ex3400 can also be configured as a satellite device in a junos Fusion Enterprise deployment, which aggregates a large number of access switches into one logical management platform.