D-Link DGS-1520-28MP /E network switch Managed L3 Gigabit Ethernet (10 /100 /1000) Power over Ethernet (PoE) 1U Black

Design
Form factor: 1U
Product colour: Black
Rack mounting: Yes
Stackable: Yes

Power
Power consumption (max): 453.3 W

Security
Loop protection: Yes
IGMP snooping: Yes
BPDU filtering/protection: Yes

Operational conditions
Heat dissipation: 1545.8 BTU/h

Management features
Web-based management: Yes
Switch type: Managed
Switch layer: L3

Weight & dimensions
Weight: 4.29 kg

Network
VLAN support: Yes
Auto MDI/MDI-X: Yes
Spanning tree protocol: Yes
Link aggregation: Yes
Head-of-line (HOL) blocking: Yes
10G support: Yes
Flow control support: Yes

Performance
Virtual stacking (units): 32
Physical stacking (units): 8
Noise level: 57.1 dB
Mean time between failures (MTBF): 333946 h

Protocols
GARP VLAN Registration Protocol (GVRP): Yes
Routing protocols: RIPng, OSPF, RIP, VRRP

Ports & interfaces
10G Ethernet (copper) ports quantity: 2
2.5G Ethernet (copper) ports quantity: 4
Fiber ports quantity: 2
Basic switching RJ-45 Ethernet ports quantity: 20
SFP+ module slots quantity: 2
Basic switching RJ-45 Ethernet ports type: Gigabit Ethernet (10/100/1000)
Fiber optic connector: SFP+

Logistics data
Harmonized System (HS) code: 85176990

Data transmission
Switching capacity: 140 Gbit/s
MAC address table: 16384 entries
Jumbo frames: 12288
Jumbo frames support: Yes
Static route: Yes
Forwarding rate: 104.16 Mpps
Store-and-forward: Yes

Power over Ethernet (PoE)
Power over Ethernet (PoE): Yes
Total Power over Ethernet (PoE) budget: 370 W
Power over Ethernet plus (PoE+) ports quantity: 20

Multicast features
Multicast Listener Discovery (MLD) snooping: v1/v2