HP 2810-24G Switch (J9021A)

Ports:20 autosensing 10/100/1000 ports(IEEE 802.3 Type 10BASE-T, IEEE 802.3u Type 100BASE-TX, IEEE 802.3ab Type 1000BASE-T), Media Type: Auto-MDIX, Duplex: 10BASE-T/100BASE-TX: half or full; 1000BASE-T: full only; 4 dual-personality ports, each port can be used as either an RJ-45 10/100/1000 port or an open mini-GBIC slot (for use with mini-GBIC transceivers)  Form Factor1U heightInput Frequency50/60 HzInput Operating Current1.0 AInput Voltage100-127/200-240 VACManagement featuresHP PCM+; HP PCM; command-line interface; Web browser; configuration menu; out-of-band managementManufacturer WarrantyLifetime, advance replacement, next business dayAddress table size8000 entriesPower consumption48 W (maximum)Product dimensions (W x D x H)12.7 x 17.4 x 1.7 in.Technical NotesWhen using mini-GBICs with this product, mini-GBICs with revision "B" or later (product number ends with the letter "B" or later, e.g., J4858B, J4859C) are required.WarrantyLifetime, advance replacement, next business dayWeight ( Imperial )7.21 lb.Weight ( Metric )3.27 kg Extended specifications  Interfaces/PortsTotal Number of Network Ports20Number of Network (RJ-45) Ports24 Media & PerformanceNetwork Technology10/100/1000Base-TMedia Type SupportedTwisted PairEthernet TechnologyGigabit Ethernet I/O ExpansionsNumber of Total Expansion Slots4Number of SFP Slots4Expansion Slot TypeSFP (mini-GBIC)Shared SFP SlotYes Network & CommunicationLayer Supported2 Management & ProtocolsManageableYesManagementTelnet SMON sFlow SNMPv1/v2c/v3 ProCurve Manager ProCurve Manager Plus Command-line interface Web browser Configuration menu Out-of-band management IEEE 802.1p Priority IEEE 802.1Q VLAN RMON: 1 (statistics), 2 (history), 3 (alarm) and 9 (events) MemoryStandard Memory64 MBMemory TechnologySDRAMFlash Memory16 MB Power DescriptionInput Voltage110 V AC220 V ACPower SourcePower SupplyRedundant Power SupplyYes Physical CharacteristicsForm FactorStackableRack-mountableHeight1.7"Width17.4"Weight (Approximate)7.21 lbDepth12.7"