技术指标

SWITCH PROPERTIES
Dynamic IGMP Groups	256
Jumbo Frame	9216 Byte
MAC Table Size	16k
MAC-Based VLAN	512
Packet Buffer Size	1.5 MB
Priority Queues	8
Static IGMP Groups	128
Trunk Group	4
VLAN ID Range	VID 1 to 4,094
VLAN Table	4,096
ETHERNET STANDARD
Standard	IEEE 802.3 for 10BaseT
	IEEE 802.3u for 100BaseT(X)
	IEEE 802.3ab for 1000BaseT(X)
	IEEE 802.3z for 1000BaseX
	IEEE 802.3ae for 10 Gigabit Ethernet Fiber
	IEEE 802.3x for Flow Control, back pressure flow control
	IEEE 802.1D-2004 for Spanning Tree Protocol
	IEEE 802.1w for Rapid Spanning Tree Protocol
	IEEE 802.1s for Multiple Spanning Tree Protocol
	IEEE 802.1Q for VLAN Tagging
	IEEE 802.1p for Class of Service
	IEEE 802.1X for Authentication
	IEEE 802.3ad for Port Trunk with LACP
	IEEE 802.3az for Energy Efficient Ethernet
Protocols	IPv4, IPv6, IGMPv1/v2/v3, IGMP Snooping, GARP, GMRP, GVRP, SNMPv1/v2c/, v3, SNMP Inform, ICMP, Telnet, SSH, DHCP Server/Relay/Client, DHCP Option, 66/67/82, BootP, RARP, TFTP, SMTP, SMTP (Gmail), RMON, HTTP, HTTPS, Syslog, MRP (Client), LLDP, 802.1x, EAP, RADIUS, TACACS+, Mirror port, QoS, ACL
Redundancy	ITU-T G.8032 ERPS Ring, STP, RSTP, MSTP, Compatible Ring/Chain, U-Ring
Time Synchronization	Network Synchronization: NTP Server/Client, SNTP
	Precision Network: IEEE1588v1 OC/BC (Software)
	Synchronization: IEEE1588v2 E2E TC (Hardware) - ns acc.IEEE1588v2 OC/BC (Software)
Automation Profiles	Ethernet/IP, Modbus/TCP device status registers provided
SNMP MIB	MIB II, IF-MIB, SNMPv2 MIB, BRIDGE-MIB, RMON MIB Group 1,2,3,9, RFC, RFC 1157, RFC 1213, RFC 1215, RFC 1493, RFC 1643, RFC 1757, RFC 2011, RFC 2012, RFC 2013, RFC 2233, RFC 2571, RFC 2742, RFC 2819, RFC 2863, RFC 3411, RFC 3412, RFC 3413, RFC 3414, RFC 3415, RFC 2674
POWER
Input Voltage	9-57 VDC for Non-PoE models 45-57 VDC for 802.3af mode 51-57 VDC for 802.3at mode
Input Current (System)	Max. 2.2 A @ 12 VDC (without PoE) Max. 3.3 A @ 45 VDC (Support up to 8 ports at 15.4W per PoE port) Max. 5.2 A @ 51 VDC (Support up to 8 ports at 30W per PoE port)
Power Consumption (System)	Max. 26.4 W @ 12 VDC (without PoE) Max. 148.5 W @ 45 VDC (Support up to 8 ports at 15.4W per PoE port) Max. 265.2 W @ 51 VDC (Support up to 8 ports at 30W per PoE port)
Connector	5-Pin 5.08mm Lockable Terminal Block
Reverse Polarity Protection	Yes
INTERFACES
RJ45 Ports	Up to 8 10/100/1000BASE-T(X) auto negotiation speed
Fiber Optics Ports	Up to 8 100/1000BASE-X SFP slot plus 4 1000BASE-X or 4 10G SFP slots
LED Indicators	PWR1, PWR2, Alarm, Run, Ring, Ring Master, RJ-45 Link/Speed, SFP Link, PoE
Console	RS232 (RJ45 connector)
Relay Output	2 relay outputs with current carrying capacity of 1A @ 24 VDC
DIP Switches	Ring Control and Profinet Setting
Button	Reset Button
PHYSICAL CHARACTERISTICS
Housing	IP30 SPCC Metal housing, ruggedized Heat-sink
Dimension (W x H x D)	EHG7512: 76 x 200 x 160 mm; EHG7612: 76 x 200 x 160 mm
Weight	2500g
Installation	DIN-Rail, Wall mount (optional kit)
ENVIRONMENTAL LIMITS
Operating Temperature	-40°C ~ 70°C (-40°F ~ 158°F)
Storage Temperature	-40°C~85°C (-40°F~185°F)
Ambient Relative Humidity	5%~95%, 55°C (Non-condensing)