Zyxel GS1900-48HP. Switch type: Managed, Switch layer: L2. Basic switching RJ-45 Ethernet ports type: Gigabit Ethernet (10/100/1000), Basic switching RJ-45 Ethernet ports quantity: 24. MAC address table: 8000 entries, Switching capacity: 100 Gbit/s. Networking standards: IEEE 802.1af, IEEE 802.1D, IEEE 802.1p, IEEE 802.3, IEEE 802.3ab, IEEE 802.3u, IEEE 802.3x. Power connector: DC-in jack. Power over Ethernet (PoE). Rack mounting, Form factor: 1U

Management features
Switch type	Managed
Switch layer	L2
Ports & interfaces
Basic switching RJ-45 Ethernet ports quantity	24
Basic switching RJ-45 Ethernet ports type	Gigabit Ethernet (10/100/1000)
SFP module slots quantity	2
Power connector	DC-in jack
Network
Networking standards	IEEE 802.1af, IEEE 802.1D, IEEE 802.1p, IEEE 802.3, IEEE 802.3ab, IEEE 802.3u, IEEE 802.3x
Data transmission
MAC address table	8000 entries
Switching capacity	100 Gbit/s
Throughput	74 Mpps
Packet buffer memory	1.5 MB
Design
Rack mounting	Yes
Form factor	1U
Product colour	Black
LED indicators	Yes
Performance
Mean time between failures (MTBF)	175767 h
Power
AC input voltage	100 - 240 V
AC input frequency	50 - 60 Hz
Power consumption (typical)	250 W
Power over Ethernet (PoE)
Power over Ethernet (PoE)	Yes
Power over Ethernet plus (PoE+) ports quantity	24
Total Power over Ethernet (PoE) budget	170 W
Operational conditions
Operating temperature (T-T)	0 - 50 °C
Storage temperature (T-T)	-40 - 70 °C
Operating relative humidity (H-H)	10 - 95%
Heat dissipation	853 BTU/h
Weight & dimensions
Width	440 mm
Depth	200 mm
Height	44 mm
Weight	29 kg