D-Link PROJ Managed L2 Metro Ethernet Switch 24x1000Base-T PoE, 4x1000Base-X SFP, PoE Budget 370W, Surge 6KV, CLI, RJ45 Console, Dying Gasp. Web interface (IPv4/IPv6 support); Command Line Interface (CLI); Telnet Server/Client (IPv4/IPv6 support); TFTP client (IPv4/IPv6 support); Command logging; SNMP v1/v2c/v3; SNMP Traps; System Log; RMON v1; RMON v2; LLDP; BootP/DHCP client; Automatic DHCP configuration; Configuration file in text format; Trusted Host; DHCP relay (IPv4/IPv6) - DHCP relay agent/local relay, - DHCP relay option 12, 37, 38, 82; PPPoE Circuit-ID insertion; Trap/alarm/log severity control; CPU monitoring; SNTP; Debugging commands; Password recovery; Password encryption; sFlow; Storage of two software images (dualimage); Real Time Clock (RTC) support; Up to 14 simultaneous telnet/ssh/console sessions; FTP client (IPv4/IPv6 support). Cooling system: 2 Smart fans