English 
Interface 24 * 10/100/1000M RJ45 port, Auto-Negotiation, Auto MDI/MDIX
LED PWR, 1-24 10/100/1000M, 1-24 LINK/ACT
Power Supply 100-240 V AC/50-60Hz
Dimensions (L x W x H ) 432 x 200 x 44 mm
Software
Standards IEEE 802.3 10Base-T, IEEE 802.3u 100Base-TX, IEEE802.3ab 1000BASE-T ,
IEEE 802.3x Flow Control, IEEE 802.3az
Access Method CSMA/CD
Transmission Method Store and Forward
Data Transmission Rate 10/100/1000Mbps(Half-duplex)
20/200/2000Mbps(Full-duplex)
Switching Fabric Capacity 48Gbps
Built-in Buffer 3.5M bits
Jumbo Frame 9KB
MAC Address Table 16K
Others
Certification FCC, CE, KC, BSMI
Environment Operating Temperature: 0℃~40℃
Storage Temperature: -20℃~70℃
Operating Humidity: 5%~90% non-condensing
Storage Humidity: 5%~90% non-condensing
Package 1 * ST3124G
1 * Quick Installation Guide
2 * Brackets
1 * Power Cord