High-end Layer 2 management, redundant self-healing ring and a wide-operating temperature from -40? to 75? are providing highly reliable network. The EMC noise immunity complies with IEC standards and attains a high level 3/4. The intuitive design of WEB GUI interface provides users with easy access and convenience.


IPv6 address suitable for larger network and neighbor discovery
Automatic IP assignment by DHCP/BootP server for easy network construction
DHCP relay option 82 for sending DHCP requests with clients’ identities to a DHCP server
Port-based DHCP server with IP and MAC binding makes IP maintenance much easier*
SNMP v1/v2c/v3 facilitates the exchange of management between network devices
Supports EtherNet/IP and MODBUS TCP protocols that facilitates the remote management by SCADA and other industrial devices
Proprietary ONE RING and ONE CHAIN high end redundancy technologies, easy to build multiple ring topology, self-healing recovery time < 20ms.
STP/RSTP/MSTP for network redundancy further ensures reliability
QoS (IEEE 802.1p) and TOS/DSCP for mission-critical applications
IEEE 802.1Q VLAN, MAC-based VLAN*, IP Subnet-based VLAN*, VLAN isolation* and GVRP optimize network strategy
Enhanced network security with IEEE 802.1X, TACACS+, SSH, HTTPS and SNMP v3
IEEE 802.3ad port trunking in parallel to increase the link bandwidth
SNTP (simple network time protocol) for network clock synchronization
Broadcast/Multicast / Unknown Unicast storm control improves throughput problems
Loopback-Detection to avoid broadcast loops, and shutdown the corresponding ports automatically.
Cable diagnostic provides the mechanism to detect and report potential cabling issues
Intelligent Access Control List(ACL)
MAC addresses locking function per port blocks unauthorized access
USB console interface for easy connection with laptops
IGMP Snooping and GMVP prunes multicast traffic
RMON groups 1,2,3,9(history, statistics, alarms and events) for enhanced flow management and analysis
CPU utilization displays the amount of works the CPU handles
Port mirroring for Many-to-One ports online troubleshooting
Versatile system file updates by TFTP, HTTPS or HTTP
DDM diagnosis function by SFP fiber module
Auto warning by email, DI, relay, Syslog & SNMP trap
Compatible with various industrial protocols, including EtherNet/IP, Profinet, CC-LINK IE and DNP 3.0

Standard Compliance
IEEE 802.3 10Base-T
IEEE 802.3u 100Base-T(X) and 100Base-FX
IEEE 802.3ab 1000Base-T
IEEE 802.3z 1000Base-X
IEEE 802.3x Flow Control
IEEE 802.1D Spanning Tree Protocol
IEEE 802.1w Rapid Spanning Tree Protocol
IEEE 802.1p Class of Service, Priority Protocols
IEEE 802.1Q VLAN Tagging
IEEE 802.1X Port Authentication
IEEE 802.3ad LACP Aggregation
IEEE 802.1AB Link Layer Discovery Protocol

Processing Type

Store and Forward
IEEE 802.3x Flow control in full duplex, back-pressure flow control in half duplex


Fast Ethernet
RJ45 Ports: 6 10/100Base-T(X), auto MDI/MDI-X, auto negotiation
Gigabit Ethernet Combo Ports
RJ45 Ports: 2 10/100/1000Base-T, auto MDI/MDI-X, auto negotiation
SFP Ports: 2 100/1000Base-SFP
Console Port: USB B-Type connector
Device: ALARM, PWR1, PWR2, DI1, DI2
Ports: 100/1000M(SFP port), 10/100/1000M(GbE RJ45 port), 10/100M(FE RJ45 port), LINK/ACT

Digital Inputs(DI)

2 sets
0~+5V is OFF
+11V~30V is ON
Max. input current 6mA

Alarm Contacts(DO)

2 relay outputs
Carry current 5 A@24VDC

Reset Button:


Performance and Scalability

Switching Capacity: 5.2Gbps, Wired speed, Non-blocking switching fabric
Forwarding Rate: 7.7Mpps
MAC Address Table: 8K
Packet Buffer Memory: 512K bits
IGMP Multicast Groups: 256
Max. VLANs: 255
Quality of Service: 8 priority queues per port
DHCP/BootP Server: 1275 IP addresses
Jumbo Frame: 9,216 Bytes


Software: STP/RSTP/MSTP, LACP, QoS, IGMP Snooping v1/v2/v3, IGMP Query v1/v2, GARP, GMRP, VLAN, SSH, DNS, HTTP, HTTPS, RADIUS, TACACS+, SNMP v1/v2c/v3, SNMP Traps, TFTP, RMON, LLDP, BootP Server/Client, DHCP Server/Client, DHCP L2 Relay, DHCP Relay Option 82, DHCP Option 66/67, Telnet, Syslog, SMTP, SNTP Server/Client, IPv6, MODBUS TCP, EtherNet/IP
Security: MAC/IP/TCP/UDP filtering, HTTPS, SSH, 802.1x, TACACS+, SNMP v3
Configuration: Web Browser, Cisco-like Telnet CLI, USB Local Console , SNMP, MODBUS TCP, EtherNet/IP, IEXplorer Utility
MIB: MIB II, Bridge MIB, SNMP MIB, Ether-like MIB, Q-Bridge/P-Bridge MIB, IF MIB, Traceroute MIB, TCP MIB, UDP MIB, IP MIB, RMON Group 1,2,3,9, Delta Private MIB

Power Requirements

Input Voltage: 2 sets, 12 to 48VDC redundant inputs by terminal block
Input Current: 0.87A Max.
Overload Current Protection: Present, Max. Input current 3A
Reverse Polarity Protection : Present
Buffer Time : Min. 12ms at 24VDC


Housing : IP40 aluminum metal case
Dimensions : 145.3 mm(H) x 75 mm(W) x 108.7 mm (D)
Weight : 520g
Installation : Industrial DIN-Rail and wall mounting

Environmental Limits

Operating Temperature : -40? to 75?(-40? to 167?)
Storage Temperature: -40? to 85?(-40? to 185?)
Ambient Relative Humidity: 5% to 95%(non-condensing)


Safety: UL 508, EN 60950-1, IEC 61131-2
EMI: FCC 47 CFR Part 15 Subpart B Class A, IEC 61000-6-4, EN 55022
EMS(IEC 61000-6-2): IEC 61000-4-2 level 3, IEC 61000-4-3 level 3, IEC 61000-4-4 level 4, IEC 61000-4-5 level 3, IEC 61000-4-6 level 3, IEC 61000-4-8 level 4, IEC 61000-4-29
Environmental Type Tests:
Cold Temperature: IEC 60068-2-1
Dry Heat: IEC 60068-2-2
Humidity: IEC 60068-2-30
Shock: IEC 60255-21-2
Freefall: IEC 60068-2-32
Vibration: IEC 60068-2-6
Hi-Pot: 1.5KV