Model		GS1920-8HP	1920-24HP	1920-48HP
Product name		8-port GbE Smart Managed PoE Switch	24-port GbE Smart Managed PoE Switch	48-port GbE Smart Managed PoE Switch
Switch class		Smart Managed	Smart Managed	Smart Managed
Port Density
Total port count		10	28	50
100/1000Mbps		8	24	44
Gigabit Combo (RJ-45/SFP)		2	4	4
Gigabit SFP		-	-	2
PoE
PoE ports		8	24	48
Total PoE budget (Watts)		130	375	375
High power PoE 802.3at		Yes	Yes	Yes
Performance
Switching capacity (Gbps)		20	56	100
Forawrding rate (Mpps)		15	42	74
Packet buffer (byte)		1.5M	1.5M	1.5M
MAC address table		16K	16K	16K
Flash/RAM		32MB / 256 MB	32MB / 256 MB	32MB / 256 MB
Power
Input		100 to 240 V AC, 50/60 Hz	100 to 240 V AC, 50/60 Hz	100 to 240 V AC, 50/60 Hz
Max.power consumption(watt)		161.8	463.5	474.3
Physical Specifications
Item	Dimensions (WxDxH) (mm/in.)	267 x 162 x 44 / 10.51 x 6.38 x 1.73	441 x 270 x 44 / 17.36 x 10.63 x 1.73	441 x 270 x 44 / 17.36 x 10.63 x 1.73
	weight (kg/b.)	1.9 / 4.19	3.8 / 8.38	4.1 / 9.04
Packing	Dimensions (WxDxH) (mm/in.)	375 x 235 x 61 / 14.76 x 9.25 x 2.4	616 x 355 x 107 / 24.25 x 13.98 x 4.21	616 x 355 x 107 / 24.25 x 13.98 x 4.21
	weight (kg/b.)	2.73 / 6.02	4.9 7 /10.96	5.25 / 11.57
Included accessories		power cord Desk-mount kit Wall-mount kit	power cord Rack mounting kit	power cord Rack mounting kit
Green Feature
Fanless		Yes	-	-
Environmental Specifications
Operating environment	Temperature	0°C to 50°C / 32°F to 122°F	0°C to 50°C / 32°F to 122°F	0°C to 50°C / 32°F to 122°F
	Humidity	10% to 95% (non-condensing)	10% to 95% (non-condensing)	10% to 95% (non-condensing)
Storage environment	Temperature	-40°C to 70°C / -40°F to 158°F	-40°C to 70°C / -40°F to 158°F	-40°C to 70°C / -40°F to 158°F
	Humidity	10% to 95% (non-condensing)	10% to 95% (non-condensing)	10% to 95% (non-condensing)
MTBF (hr)		513,985	638,691	502,509
Heat dissipation (BTU/hr)		551.74	1,580.54	1,617.36
Acoustic noise @ 25°C (dBA)		0	27.2	26.5