J9981A specification sheet

Overview:

• The HP 1820 Switch Series features an intuitive Web management interface with an enhanced navigation pane for easy management of devices by even nontechnical users, specifically designed for the smaller organization that requires simplicity.
• The series gives you flexibility and choice with a complete portfolio. It is comprised of six rack-mountable models including three non-Power over Ethernet (PoE) models: 8G-, 24G- and 48G- port; three PoE+ models: 8G-, 24G- and 48G-port. Some models include SFP ports for fiber connectivity.
• Customizable features include VLANs, Spanning Tree, Link aggregation trunking and IGMP Snooping. All models include Rapid Spanning Tree Protocol (RSTP) and DSCP QoS policies.
• All 1820 Switch Series support flexible installation options, including mounting on walls, under tables or on desktops.
• The 8-, 24- and 48-port non-PoE and the 8-port PoE+ models include a fanless design, making them ideal for office deployments.

• The HP 1820 Switch Series include the latest energy-saving capabilities, including Energy Efficient Ethernet (IEEE), idle-port power down and PoE Port Scheduler.
• The 8-port Gigabit Ethernet model can be powered by an upstream Power over Ethernet (PoE) switch for environments where no line power is available.

Specifications:

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Specifications
Product Code	J9981A
Differentiator	Smart-managed Layer 2 switch with 48 10/100/1000 and 4 SFP 100/1000 ports
Ports	(48) RJ-45 autosensing 10/100/1000 ports
	(4) SFP 100/1000 Mbps ports
	Supports a maximum of 48 autosensing 10/100/1000 ports plus 4 SFP ports
Memory and processor	ARM Cortex-A9 @ 400 MHz
	128 MB SDRAM
	Packet buffer size: 1.5 MB
	16 MB flash
Latency	100 Mb Latency: < 7 µs
	1000 Mb Latency: < 2 µs
Throughput	up to 77.3 Mpps
Switching capacity	104 Gbps
Management features	Web browser
Dimensions (W x D x H)	17.42 x 9.69 x 1.73 in (44.25 x 24.61 x 4.39 cm)
Weight	7.3 lb (3.31 kg)