HARDWARECapacity: 16 slots for housing up to 16 TFC series media convertersManagement Ports: 1 x 10/100Mbps Fast Ethernet RJ45 and 1 x RS-232Management Protocol: SNMP(RFC1157), ARP(RFC826), IP(RFC791), ICMP(RFC792), UDP(RFC768), TCP(RFC793), TFTP(RFC783), Telnet(RFC854), BOOT(RFC951), MIB II (RFC1213)Diagnostic LEDs: Power x 2, In Use x 2, Fan Fault x 2Power: One power supply; optional second power supplyInput: AC 100 ~ 240 VAC. Power Consumption: 150 watts max.Power Overload Protection: All outputs protected from short circuit condition with automatic recoverySingle cooling fan (internal) mounted at the rear panelHousing: Steel sheet metalDimensions: 440 x 390 x 89 mm (17.3 x 15.4 x 3.5 inches)Weight: appr. 7Kg (15.4 lbs) (with one power supply)Temperature: Operating: 0° ~ 40° C (32° ~ 104° F)Storage: -10° ~ 50° C (14° ~ 122° F)Humidity: Operating: 10% ~ 90%;Storage: 5% ~ 90% (no-condensing)Certifications: FCC, CE, VCCI