... to medium-sized enterprises and branch offices. Designed for 802.11n performance, Cisco 2500 series wireless controller is an ... 802.3, IEEE 802.3u, IEEE 802.1Q, IEEE 802.11b, IEEE 802.11a, IEEE 802.11g, IEEE 802.1x, IEEE 802.11i, IEEE 802.11h, IEEE 802.11e, IEEE 802 ... , SNMP 2c, HTTP, HTTPS, SSHSwitching Protocol EthernetPowerPower Device Power adapter - externalVoltage Required AC 120/230 V ( 50/60 Hz ...