original, device is unused, was held as a replacement in the warehouse - a CE marking is available. The device is no longer updated by the manufacturer   Rack fitting: YesProduct colour: Silver   Management functions Switch type: ManagedSwitch level: L2/L3Web-based management: JaARP inspection: Yes Configuration of location settings (CLI): YesMIB support: Yes Connections and interfaces Number of base switching RJ-45 Ethernet ports: 24 Basic Switching RJ-45 Ethernet Ports Type: Gigabit Ethernet (10/100/1000)Number of SFP modules installed: 4Number of USB 2.0 ports: 1 Data TransferMAC Address Table: 16000 EntriesJumbo Frames Support: JaJumba Frames: 9000 Protocols Management protocols: SNMP Network Network standard: IEEE 802.1D,IEEE 802.2w,IEE 802.1s,IEEA 802.3,IEEEC 802.3u,IEIEEE802.3ab,IEEM 802.3z,IEEIEE 802.3ad10G support: YesPort mirroring: YesSupport Data flow control: YesLink aggregation: YesBroadcast storm control: JaAuto MDI/MDI-X: YesSpannbaum protocol: YesHead-of-Line (HOL) blocking: Yes Ethernet LAN data transfer rates: 10,100,1000 Mbit/sVLAN support: YesNumber of VLANs: 4094   Performance Power supply included: Yes Built-in processor: YesProcessor clock frequency: 800 MHzRAM memory: 512 MBFlash memory: 256 MB   Security DHCP functions: DHPP relay,DHCP server,DhCPv6 clientAccess control list: YesAccess Control List (ACL) Rules: 1024IGMP snooping: Yes Supported security algorithms:HTTPS,SSH,SSL/TLS   Operating conditionsTemperature range in operation: -5 - 50 °C Temperature range during storage: -25 - 70 °C Relative humidity in operation: 10 - 90 % Humidity at storage: 10 - 90 %