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 ) IEEE 802.1s: MSTP (Multiple Spanning Tree Protocol) ITU-T G.8032 / Y.1344: ERPS (Ethernet Ring Protection Switching) IEEE 802.1Q: Virtual LANs (VLAN)
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
Network Connector	RJ45: 24x 10/100/1000Base-T RJ-45 Support Auto negotiation speed, Auto MDI/MDI-X function
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 2x AC input power (-AA model) 1x AC input power (-A model) Redundant 1x AC and 1x DC input power (-AD model) Redundant 2x DC input power (-DD model) 1x DC input power (-D model)
Power Supply	AC input power (A): Isolated 110/220VAC (88VAC~264VAC) DC input power (D): Isolated 24/48VDC (18~60VDC), Removable Terminal Block Supports negative voltage power input
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 a 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
Weight	4,755kg
Installation Mounting	19" rack mount