
TEL : + 886 - 3 - 5508137
FAX: + 886 - 3 - 5508131
EMAIL: sales@atop.com.tw
WEB: http://www.atop.com.tw v: 1.4
IEC
62443
Technical Specications
Model Name EHG7512 (12 ports) ; EHG7516 (16 ports); EHG7520 (20 ports)
Switch Properties
Priority Queues
VLAN Table
MAC-Based VLAN
VLAN ID Range
Trunk Group
Static IGMP Groups
Dynamic IGMP Groups
MAC Table Size
Packet Buffer Size
Jumbo Frame
8
4096
512
VID 1 to 4094
4
128
256
16K
1.5 MB
9216 Byte
Ethernet
Standards
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 Efcient Ethernet
Protocols
IPv4, IPv6, IGMPv1/v2/v3, IGMP Snooping, GARP, GMRP, GVRP, SNMPv1/v2c/
v3, SNMP Inform, ICMP, Telnet, SSH, DHCP Relay/Client, BootP, TFTP, SMTP,
SMTP (Gmail), RMON, HTTP, HTTPS, Syslog, MRP (Client), LLDP, 802.1x, EAP,
RADIUS, TACACS+, Mirror port, QoS, ACL, ITU-T G.8032 ERPS Ring, STP,
RSTP, MSTP, Compatible Ring/Chain, U-Ring, NTP Server/Client, Serial Con-
sole,Modbus/TCP, IEEE 1588 PTP V1/V2, UDLD, Security, Trunk, LACP, MLD,
802.1Q VLAN, Port-Based VLAN, MAC-Based VLAN, IP-Subnet-Based VLAN,
Protocol-Based VLAN, QinQ, 802.1x, ARP spoof Prevention, DHCP snooping,
IP source Guard, Dynamic ARP Inspection, DHCP relay Agent
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
Synchronization
IEEE1588v1 OC/BC (Software)
IEEE1588v2 E2E TC (Hardware) - ns acc.
IEEE1588v2 OC/BC (Software)
Automation Proles 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
SPECIFICATIONS