Description
HP 1820 Switch Series
Key features
• Customized operation using intuitive Web interface
• Flexible deployment options including wall, under table, and desktop mounting
• 24- and 48-port models include SFP ports
• 8-, 24- and 48-port non-PoE+ models are fanless for quiet operation
• Limited Lifetime Warranty 2.0
Product overview
HP 1820 Switch Series devices are basic, smart-managed, fixed-configuration Gigabit Ethernet
Layer 2 switches designed for small businesses looking for key features in an easy-toadminister
solution.
The series consists of six switches including 8-, 24- and 48-port Gigabit Ethernet switches
and 8-, 24-, and 48-port Gigabit PoE+ models each providing non-blocking Gigabit per port
performance. Some models include SFP ports for fiber connectivity and some are fanless,
making them ideal for office deployments. All 1820 Switches support flexible installation
options, including mounting on wall, under table, or on desktop. 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.
These Gigabit switches are plug-and-play out of the box, yet network operation can be
fine-tuned through features available from a simple Web browser-based GUI, if necessary.
Customizable features include VLANs, Rapid Spanning Tree, IGMP Snooping, link aggregation
trunking, and DSCP QoS policies. All models include the latest energy-saving capabilities,
including Energy Efficient Ethernet (EEE) and idle-port power down.
Features and benefits Management
• Simple Web management
Allows for easy management of the switch—even by nontechnical users—through an intuitive
Web GUI; supports HTTP and HTTP Secure (HTTPS)
• SNMPv1, v2c
Enable devices to be discovered and monitored from an SNMP management station
• Port mirroring
Enables traffic on a port to be simultaneously sent to a network analyzer for monitoring
• Dual flash images
Provide independent primary and secondary operating system files for backup while
upgrading
• Network Time Protocol (NTP)
Synchronizes timekeeping among distributed time servers and clients; keeps timekeeping
consistent among all clock-dependent devices within the network
• Manual network time configuration
Manually set the date and time on the switch in the absence of an NTP server
• Default DHCP client mode
Allows the switch to be directly connected to a network, enabling plug-and-play operation;
in the absence of a DHCP server on the network, the switch falls back to a default, fixed IP
address
Quality of service (QoS)
• Traffic prioritization
Provides time-sensitive packets (like VoIP and video) with priority over other traffic based on
DSCP or IEEE 802.1p classification; packets are mapped to eight hardware queues for more
effective throughput
• Broadcast control
Allows limiting of broadcast traffic rate to reduce unwanted network broadcast traffic
• IEEE 802.1p/Q
Delivers data to devices based on the priority and type of traffic; supports IEEE 802.1Q
Connectivity
• Auto-MDI/MDIX
Automatically adjusts for straight through or crossover cables on all ports
• IEEE 802.3X Flow Control
Provides a flow throttling mechanism propagated through the network to prevent packet loss
at a congested node
• Loop protection
If the switch detects a loop, it disables the source port from forwarding data packets
originating from the switch to avoid broadcast storms
• SFP ports for fiber connectivity
Provides fiber connections for uplinks and other connections across longer distances than
copper cabling can support; SFP ports are in addition to available copper Ethernet ports,
providing a higher total number of available ports. SFP ports available on 24- and 48 port
models
• IEEE 802.3af PoE-powered device option
Obtains power provided by a standard PoE device connected to port 1; deploy the switch
wherever an Ethernet cable can reach as a power outlet is not needed (8-port GbE non-PoE+
model only)
Specifications:
HP 1820-48G Switch (J9981A)
I/O ports and slot -48 RJ-45 autosensing 10/100/1000
ports (IEEE 802.3 Type 10BASE-T, IEEE
802.3u Type 100BASE-TX, IEEE 802.3ab
Type 1000BASE-T); Duplex: 10BASET/100BASE-TX:
half or full; 1000BASE-T:
full only
4 SFP 100/1000 Mbps ports (IEEE 802.3z
Type 1000BASE-X, IEEE 802.3u Type
100BASE-FX)
Supports a maximum of 48 autosensing
10/100/1000 ports plus 4 SFP ports
Physical characteristics
Dimensions 17.42(w) x 9.69(d) x 1.73(h) in (44.25 x
24.61 x 4.39 cm) (1U height)
24.61 x 4.39 cm) (1U height)
Memory and processor ARM Cortex-A9 @ 400 MHz, 128 MB
SDRAM, 16 MB flash; packet buffer size:
1.5 MB
Warranty limited lifetime
Reviews
There are no reviews yet.