Ports & interfaces
Basic switching RJ-45 Ethernet ports quantity	28

Network
Networking standards	IEEE 802.3, IEEE 802.3ab, IEEE 802.3u, IEEE 802.3x, IEEE 802.3z
Copper ethernet cabling technology	1000BASE-T, 100BASE-TX, 10BASE-T

Data transmission
Switching capacity	12.8 Gbit/s
MAC address table	16384 entries
Maximum data transfer rate	1 Gbit/s
Packet buffer memory	32 MB

Protocols
Data link protocols	Ethernet, Fast Ethernet, Gigabit Ethernet

Design
Safety	CE mark, commercial; CSA certified (CSA 22.2 #950); UL listed (UL 1950)/CUL IEC950/EN60950

Performance
Internal memory	128 MB
Mean time between failures (MTBF)	125500 h

Power
Power consumption (typical)	80 W

Other features
Latency	80 microseconds for 64-byte frames
Data transfer rate	1000 Mbit/s
Dimensions (WxDxH)	440 x 205 x 43 mm
I/O ports	- 24 or 48 RJ-45 connectors for 10BASE-T,100BASE-TX (Auto Uplink and auto-negotiate on all ports) - 4 1000Base-T with optional SFP connectors for fiber connection - RS-232 Console Port
Power requirements	100-240VAC/50-60 Hz
Electromagnetic emissions	CE mark, commercial; FCC Part 15 Class A; VCCI Class A; EN 55022 (CISPR 22), Class A; C-Tick

Operational conditions
Operating temperature (T-T)	0 - 40 °C
Storage temperature (T-T)	-20 - 70 °C
Storage relative humidity (H-H)	95

Weight & dimensions
Weight	3.2 kg