Ports & interfaces
Basic switching RJ-45 Ethernet ports quantity	50

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

Data transmission
Switching capacity	20 Gbit/s
MAC address table	8000 entries
Maximum data transfer rate	1 Gbit/s

Protocols
Data link protocols	Ethernet, Fast Ethernet, Gigibit Ethernet

Design
Safety	CE mark, commercial; CSA certified (CSA 22.2 #950); TUV licensed (EN 60 950); UL listed (UL 1950)/cUL IEC950/EN60950

Performance
Mean time between failures (MTBF)	54481 h

Power
Power consumption (typical)	47 W

Other features
Latency	80 microseconds for 64-byte frames
Data transfer rate	1000 Mbit/s
Dimensions (WxDxH)	440 x 260 x 86 mm
I/O ports	• 48 RJ-45 connectors for 10BASE-T, 100BASE-TX, and 1000BASE-T (Auto Uplink on all ports) • Two RJ-45 connectors for 10BASE-T, 100BASE-TX, and 1000BASE-T (Auto Uplink on all ports) • Gigabit Interface Converter (GBIC) slots for GBIC modules • RS-232 Console Port
Power requirements	100 - 127/200 - 240 VAC, 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

Weight & dimensions
Weight	4.5 kg