Dimensions & WeightDepth:35 cmHeight:4.45 cmWeight:5.44 kgWidth:44 cmEnvironmental ParametersHumidity Range Operating:10 - 90% (non-condensing)Humidity Range Storage:10 - 90% (non-condensing)Max Operating Temperature:50 °CMax Storage Temperature:70 °CMin Operating Temperature:0 °CMin Storage Temperature:-20 °CExpansion / ConnectivityInterfaces:48 x 100Base-TX RJ-45 PoE+ ¦ 1 x console DB-9 management ¦ 4 x 1000Base-T RJ-45 ¦ 2 x 1000Base-X SFPGeneralAuthentication Method:Secure Shell (SSH), RADIUS, TACACS+Capacity:ACL rules: up to 512Compliant Standards:IEEE 802.3, IEEE 802.3u, IEEE 802.3z, IEEE 802.1D, IEEE 802.1Q, IEEE 802.3ab, IEEE 802.1p, IEEE 802.3af, IEEE 802.3x, IEEE 802.3ad (LACP), IEEE 802.1w, IEEE 802.1x, IEEE 802.1s, IEEE 802.1ab (LLDP), IEEE 802.3at, IEEE 802.3azDevice Type:Switch - 48 ports - L3 - ManagedEnclosure Type:Desktop, rack-mountable 1UEncryption Algorithm:SSLFeatures:Layer 3 switching, Layer 2 switching, DHCP support, BOOTP support, VLAN support, IGMP snooping, Syslog support, DoS attack prevention, port mirroring, DiffServ support, Weighted Round Robin (WRR) queuing, Broadcast Storm Control, IPv6 support, Multicast Storm Control, Unicast Storm Control, firmware upgradable, Spanning Tree Protocol (STP) support, Rapid Spanning Tree Protocol (RSTP) support, Multiple Spanning Tree Protocol (MSTP) support, Trivial File Transfer Protocol (TFTP) support, Access Control List (ACL) support, Quality of Service (QoS), Jumbo Frames support, MLD snooping, Energy Efficient Ethernet, 16MB packet bufferFlash Memory:16 MBJumbo Frame Support:9216 bytesMAC Address Table Size:16K entriesPerformance:Switching capacity: 17.6 Gbps ¦ Forwarding performance (64-byte packet size): 13.1 MppsPoE Budget:375 WPorts:48 x 10/100 (PoE+) + 2 x combo Gigabit SFP + 2 x 10/100/1000Power Over Ethernet (PoE):PoE+RAM:128 MBRemote Management Protocol:SNMP 1, RMON 1, RMON 2, RMON 3, RMON 9, Telnet, SNMP 3, SNMP 2c, HTTP, HTTPS, SSH, SSH-2, CLIRouting Protocol:Static IPv4 routingStatus Indicators:Port transmission speed, system, link/activitySubtype:Fast EthernetMiscellaneousCables Included:1 x serial cableCompliant Standards:UL 60950, CSA 22.2 No. 60950, FCC Part 15 ALocalisation:Chinese (simplified), English, German, French, Italian, Spanish, Japanese / United KingdomMTBF:113,692 hour(s)Rack Mounting Kit:IncludedPowerPower Device:Internal power supplyVoltage Required:AC 120/230 V (50/60 Hz)