... Management port 1 x RS232 console Power AC 110V - 240V 50-60Hz Maximum power consumption 130W for device Operating temperature ... 2, Reliability and Redundancy Balance Support MSTP(802.1s) Support VRRP, LACP load balance Redundant power supply, power load balancing ... , memory, CPU, stack, switch chip, temperature and raise alarm Sflow for IPv4 and IPv6 Ping and trace route command Configuration file ...