... IGMP Snooping/Query, LACP, Rate Limit Security: IP/MAC and port binding, DHCP Server, IP access list, 802.1X, SNMPv3 Diagnostic ... : Port Statistic, Port Mirroring, RMON, Trap, Email Alert, Syslog Dual 48 VDC ... power input and 1 relay output Supports wide operating temperatures from -40 ~ 75° CEKI-7659CPI supports 8 Power over Ethernet (PoE) ports ...