Performance	Switching Capability	20Gbps
	FLASH	32MB
	DDRIII	256MB
	MAC Address Table Size	8K
	ARP table size	1K
	Jumbo frames	10KB
	Auto-negotiation	Support
	Auto-MDI/MDIX	Support
Port	RJ45	5*10/100/1000MBASE-T RJ45 Port
	SFP	2
LED	Port LED	Green: link/active Yellow:Poe
Power Supply	Input range	46~57VDC, Redundant dual power inputs.
	connector	1 removable 6-contact terminal block(s)
	Overload Current Protection	Support
	Reverse Polarity Protection	Support
Mechanical	SIze	155mm(L)×118mm(W)×46mm(H)
	IP Rating	IP40
	installation	DIN-rail mounting
	Heat Dissipation	Fanless natural heat dissipation design
Environment	Operating Temperature	-40~75℃(-40~167 °F)
	Storage Temperature	-40~85℃(-40~185 °F)
	Operating Humanity	5 to 95%（(non-condensing）
	Storage Humanity	5 to 95%（(non-condensing）
Standards And Certifications	EMC	EN 55032/24
	EMI	CISPR 32, FCC Part 15B Class A
	EMS	IEC 61000-4-2 ESD: Contact: 6 kV; Air: 8 kV IEC 61000-4-3 RS: 80 MHz to 1 GHz: 10 V/m IEC 61000-4-4 EFT: Power: 2 kV; Signal: 1 kV IEC 61000-4-5 Surge: Power: 2 kV; Signal: 2 kV IEC 61000-4-6 CS: 10 V IEC 61000-4-8 PFMF
	Safety	EN 60950-1、EN 60950-1 (LVD)
	Shock	IEC 60068-2-27
	Vibration	IEC 60068-2-6
	Freefall	IEC 60068-2-31
	WEEE	Support
	RoHS	Support

L2 Features	VLAN	IEEE 802.1Q VLAN, Port-based VLAN, QINQ
	Port	Port statistics Flow control Port speed limit Port protection Port mirroring Port MAC address learning limit
	Link aggregation	Static link aggregation; IEEE802.3ad with LACP; Unicast/Multicast load balance overtrunk port
	RedundancyProtocols	EAPS ERPSv1 STP/RSTP/MSTP
	ACL	L3/L4 ACL StatisticsACL VLANACL IPv4/IPv6 ACL
	QOS	SP WRR WFQ 8 queues/port ofPriorityQueues
	IGMP	IGMP v1v2v3 IGMP Snooping
	Storm Control	Broadcast/Multicast/ Unknown UnicastStorm Control
	DHCP	DHCP Relay DHCP Ciient DHCP Snooping
	Security	RADIUS/TACACS+, IEEE802.1X; Port Authentication, MACAuthentication bypass; DHCPSnooping (Option 82), IPSource guard, DoSProtection
	IPv6	IPv4/IPv6 DualProtocolStack, IPv6 DHCP
	Management	Web Management SNMPv3 的 CLI RMON MIB II FTP/SFTP/TFTP Client GMRP NDP NTDP SNTP LLDP Ping Traceroute Syslog