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

Ports & interfaces
Basic switching RJ-45 Ethernet ports quantity	28
Gigabit Ethernet (copper) ports quantity	4
SFP/SFP+ slots quantity	24
SFP module slots quantity	24
Power connector	DC-in jack

Network
Networking standards	IEEE 802.1D, IEEE 802.1p, IEEE 802.1Q, IEEE 802.1s, IEEE 802.1v, IEEE 802.1w, IEEE 802.1x, IEEE 802.3ad
Copper ethernet cabling technology	1000BASE-T, 100BASE-TX, 10BASE-T
Link aggregation
Number of VLANs	512

Data transmission
Supported data transfer rates	10/100/1000 Mbps
MAC address table	8000 entries
Store-and-forward
Number of queues	8
Number of static routes	512
Maximum data transfer rate	1 Gbit/s
Jumbo frames support
Packet buffer memory	344 MB

Security
DHCP features	DHCP server, DHCP client
MAC address filtering

Protocols
Management protocols	SNMP v1, v2c, v3

Design
Rack mounting
Stackable
Product color	Blue
Safety	CE, EN 60950, UL/cUL 60950-1

Performance
Internal memory	256 MB
Flash memory	32 MB
Noise level	51,7 dB
Firmware upgradeable
Mean time between failures (MTBF)	117747 h

Power
Power consumption (typical)	78 W

Power over Ethernet (PoE)
Power over Ethernet (PoE)

Operational conditions
Operating temperature (T-T)	0 - 50 °C
Storage temperature (T-T)	-20 - 70 °C
Operating relative humidity (H-H)	5 - 90%
Storage relative humidity (H-H)	5 - 95%
Operating altitude	0 - 3000 m
Non-operating altitude	0 - 3000 m
Heat dissipation	266 BTU/h

Weight & dimensions
Weight	5,4 kg

Other features
Dimensions (WxDxH)	440 x 385 x 43 mm
Connectivity technology	Wired
Electromagnetic emissions	CE, EN55022 A, EN55024, FCC 15 A, VCCI A, C-Tick
Connectivity LEDs