STANDARD	IEEE 802.3: 10Base-T 10Mbit/s Ethernet IEEE 802.3u: 100Base-TX, 100Base-FX, Fast Ethernet IEEE 802.3ab: 1000Base-T Gbit/s Ethernet over twisted pair IEEE 802.3z: 1000Base-X Gbit/s Ethernet over Fiber-Optic IEEE 802.1d: STP (Spanning Tree Protocol) IEEE 802.1w: RSTP (Rapid Spanning Tree Protocol )
VLAN ID	4094 IEEE802.1Q VLAN VID
Switch Architecture	Back-plane (Switching Fabric): 64Gbps (Full wire-speed)
Data Processing	Store and Forward
Network Connector	SFP: 8x 100/1000Base-X SFP socket Support DDMI
	RJ45: 24x 10/100/1000Base-T RJ45 Support Auto negotiation speed, Auto MDI/MDI-X function
	PoE: 24x IEEE 802.3at /IEEE 802.3af PoE+ End-Span, Alternative A mode. Maximum 30W per port, 400W PoE power budget in total
	RJ45 Pin Assignment: PoE Positive (V+): RJ-45 pin 1, 2. PoE Negative (V-) : RJ-45 pin 3, 6. Data (1,2,3,6,4,5,7,8)
Console	RS-232 (RJ-45)
Network Cable	UTP/STP Cat.5e cable or above EIA/TIA-568 100-ohm (100m)
Protocols	CSMA/CD
Reverse Polarity Protection	For input power
Overload Current Protection	Supported
CPU Watch Dog	Supported
Power Supply	Redundant dual input power 48VDC (44~57VDC) (Removable terminal block) (50~57VDC input is recommended for IEEE802.3at PoE+ in 30W applications)
Power Consumption	< 30W @50VDC without PoE load
Jumbo Frame	10K Byte
MAC Address Table	32K
Memory Buffer	4M Bytes for packet buffer
Warning Message	System Syslog, SMTP/ e-mail event message, the alarm relay
Alarm Relay Contact	Relay outputs with current carrying capacity of 1A @24VDC, 2-Pin removable terminal block
Operating Temperature	-40 ~ 75°C
Operating Humidity	5% to 95% (Non-condensing)
Housing	Rugged Metal, IP30 Protection, Fanless
Dimensions	280x 440 x 44mm (D x W x H)
Weight	4.26kg
Installation Mounting	19" rack mount