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Hardware Specifications
Hardware Version	3
Copper Ports	48 x 10/100/1000BASE-T RJ45 auto-MDI/MDI-X port
SFP/mini-GBIC Slots	4 x 100/1000BASE-X SFP interface
SFP/mini-GBIC Slots	Supports 100/1000Mbps dual mode and DDM
PoE Injector Port	48 ports with 802.3at/af PoE injector function
Reset Button	< 5 sec: System reboot
Reset Button	> 5 sec: Factory default
LED	System:
	PWR (Power) (Green)
	SYS (System) (Green)
	10/100/1000T RJ45 Interfaces (Port 1 to Port 48):
	10/100/1000Mbps, LNK/ACT (Green)
	PoE-in-Use (Amber)
	100/1000Mbps SFP Interfaces (Port 49 to Port 52):
	1000Mbps, LNK/ACT (Green)
	100Mbps, LNK/ACT (Green)
Power Requirements	100~240V AC, 50/60Hz, auto-sensing
Dimensions (W x D x H)	440 x 330 x 44.5 mm, 1U height
ESD Protection	6KV DC
Enclosure	Metal
Weight	4872g
Power Consumption	663 watts (max.)/2262 BTU
Fan	4 x fan
Switch Specifications
Switch Architecture	Store-and-Forward
Switch Fabric	104Gbps, non-blocking
Switch Throughput@64Bytes	77.38Mpps
Address Table	16K entries
Shared Data Buffer	12 megabits
Flow Control	IEEE 802.3x pause frame for full duplex
Flow Control	Back pressure for half duplex
Jumbo Frame	10K bytes
Power over Ethernet
PoE Standard	IEEE 802.3af/802.3at PoE+ PSE
PoE Power Supply Type	End-span
PoE Power Output	Per port 53V DC, 36 watts (max.)
Power Pin Assignment	1/2(+), 3/6(-)
PoE Power Budget	600 watts (max.) @ 25 degrees C
PoE Power Budget	500 watts (max.) @ 50 degrees C
PoE Ability PD @ 9 watts	48 units
PoE Ability PD @ 15 watts	40 units
PoE Ability PD @ 30 watts	20 units
Environment
Operating	Temperature: 0 ~ 50 degrees C
Operating	Relative Humidity: 5 ~ 95% (non-condensing)
Storage	Temperature: -10 ~ 70 degrees C
Storage	Relative Humidity: 5 ~ 95% (non-condensing)