HP
J9981A
HP 1820-48G Switch
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Management features
Switch type
Managed
Switch layer
L2
Quality of Service (QoS) support
Ja
Web-based management
Ja
Ports & interfaces
Basic switching RJ-45 Ethernet ports quantity
48
Basic switching RJ-45 Ethernet ports type
Gigabit Ethernet (10/100/1000)
SFP module slots quantity
4
Copper ethernet cabling technology
10BASE-T, 100BASE-TX, 1000BASE-T
Networking
Networking standards
IEEE 802.3, IEEE 802.3ab, IEEE 802.3u
Full duplex
Ja
Flow control support
Ja
Port mirroring
Ja
Link aggregation
Ja
DHCP client
Ja
IGMP snooping
Ja
Auto MDI/MDI-X
Ja
Spanning tree protocol
Ja
10G support
-
VLAN support
Ja
Auto-sensing
Ja
Data transmission
MAC address table
16000 entries
Switching capacity
104 Gbit/s
Throughput
77.3 Mpps
Latency (10-100 Mbps)
7 µs
Latency (1 Gbps)
2 µs
Jumbo frames support
Ja
Optical fiber
Fiber ethernet cabling technology
100BASE-LX, 100BASE-SX, 1000BASE-X
Fiber optic connector
SFP
Security
SSH/SSL support
Ja
Design
Rack mounting
Ja
Form factor
1U
Colour of product
Grey
LED indicators
Ja
Performance
Stackable
Ja
Built-in processor
ARM Cortex-A9
Processor frequency
400 MHz
Internal memory
128 MB
Memory type
SDRAM
Flash memory
16 MB
Packet buffer memory
1.5 MB
Power
AC input voltage
100-240 V
AC input frequency
50/60 Hz
Power consumption (typical)
39 W
Energy Star certified
Ja
Power over Ethernet (PoE)
Power over Ethernet (PoE)
-
Operational conditions
Operating temperature (T-T)
0 - 40 °C
Storage temperature (T-T)
-40 - 70 °C
Operating relative humidity (H-H)
15 - 95%
Storage relative humidity (H-H)
15 - 95%
Weight & dimensions
Width
44.2 cm
Depth
24.6 cm
Height
4.39 cm
Weight
3.31 kg
Packaging data
User guide
Ja
Quick start guide
Ja