Model		GS1920-24	GS1920-24HP	GS1920-48	GS1920-48HP
Product name		24-port GbE Smart Managed Switch	24-port GbE Smart Managed PoE Switch	48-port GbE Smart Managed Switch	48-port GbE Smart Managed PoE Switch
Switch class		Smart Managed	Smart Managed	Smart Managed	Smart Managed
Port Density
Total port count		28	28	50	50
100/1000 Mbps		24	-	44	-
100/1000 Mbps PoE		-	24	-	44
Gigabit SFP		-	-	2	2
Gigabit combo (SFP/RJ-45)		4	4	4	4
Performance
Switching capacity (Gbps)		56	56	100	100
Forwarding rate (Mbps)		41.67	41.67	74.40	74.40
Packet buffer (byte)		1.5 M	1.5 M	1.5 M	1.5 M
MAC address table		16 K	16 K	16 K	16 K
Power
Input		100 - 240 V AC,50/60 Hz	100 - 240 V AC,50/60 Hz	100 - 240 V AC,50/60 Hz	100 - 240 V AC,50/60 Hz
Max. power consumption(watt)		27.2	476.7	40	503
Total PoE power budget(watt)		-	375	-	375
Physical Specifications
Item	Dimensions (WxDxH)(mm/in.)	441 x 131 x 44/17.36 x 5.16 x 1.73	440 x 330 x 44.5/17.32 x 12.99 x 1.75	440 x 200 x 44.5/17.32 x 7.87 x 1.75	440 x 330 x 44.5/17.32 x 12.99 x 1.75
	Weight (kg/lb.)	2.17/4.78	4.79/10.56	3.04/6.7	5.13/11.3
Packing	Dimensions (WxDxH)(mm/in.)	561 x 220 x 82/22.09 x 8.66 x 3.23	583 x 451 x 98/22.95 x 17.76 x 3.86	512 x 293 x 92/20.16 x 11.54 x 3.62	586 x 452 x 97/23.07 x 17.8 x 3.82
	Weight (kg/lb.)	3.263/7.19	5.747/12.67	4.1/9.04	6.25/13.78
Included accessories		Power cord  Rack mounting kit
Green Feature
Fanless		Yes	-	-	-
Environmental Specifications
Operating	Temperature	0°C to 50°C/32°F to 122°F
	Humidity	10% to 90% (non-condensing)
Storage	Temperature	-40°C to 70°C/-40°F to 158°F
	Humidity	10% to 95% (non-condensing)
MTBF (hr)		211,623.0	133,062.5	255,579.8	120,761
Heat dissipation (BTU/hr)		92.75	1,625.55	136.40	1,572.01