Allied Telesis AT-9000/28SP

28 port Gigabit Managed "Green" switch with 24 port 100/1000 Mbps SFP fixed configuration and 4 additional 100/1000 Mbps SFP ports in combination with 10/100/1000T ports.

The AT-9000/28 is a 28 port managed Gigabit Ethernet switch that is ideally suited for the enterprise environment. This cost-effective switch has a 1RU form factor, and four SFP combo bays. It supports key features such as such as link aggregation, VLANs, QoS and 802.1x security.

Feature	Detail
Technical details
Memory
Internal memory	128MB
Flash memory	16MB
Connectivity
Ports quantity	28
Connectivity technology	Wired
SFP ports quantity	28
Weight & dimensions
Dimensions W x D x H	440 x 256 x 44mm
Weight	4010g
Stackable	N
Energy management
Power consumption	37.42W
Power over Ethernet (PoE) Support	N
Power requirements	100 - 240V AC, 50/60Hz, 1A
Heat dissipation	127.768BTU/h
Environmental conditions
Operating relative humidity range	5 - 90%
Operating temperature range (T-T)	0 - 40°C
Storage temperature range (T-T)	-25 - 70°C
Storage relative humidity range	5 - 95%
Endurance
Mean time between failures (MTBF)	340000h
Protocols
Management protocols	WEB, CLI, SNMP
Networking
Address table size	8000entries
Sound emission
Noise level	41.7dB
Data transmission
Maximum data transfer rate	1Gbit/s
Full duplex	Y
Supported data transfer rates	10Mbps, 100Mbps, 1000Mbps
Security
MAC address filtering	Y
Certificates
Compliance industry standards	IEEE802.3, IEEE 802.3u, IEEE 802.3z, IEEE 802.3z/ab, IEEE 802.3x, IEEE 802.1p, IEEE 802.1x, IEEE 802.1d, IEEE 802.3ad, IEEE 802.1Q
Safety	UL 60950, EN 60950-1
Illumination/Alarms
Power LED	Y
Management features
Switch type	Managed
Switch layer	L2
Quality of Service (QoS) support	Y