Ind. Rackmount L2 Managed Switch with 48VDC / with AC/DC

  • 16 x Gigabit RJ-45 ports + 4 Gigabit x SFP ports + 8 x Gigabit combo ports
  • SFP socket for easy and flexible fiber expansion
  • Management: SNMP v1/v2c/v3, WEB, Telnet, Standard MIB
  • Security: 802.1x (Port-Based, MD5/TLS/TTLS/PEAP Encryption), HTTPS, SSH and SNMPv3
  • Redundancy: Gigabit X-Ring Pro (ultra high-speed recovery time < 20 ms), RSTP/STP (802.1w/1D), MSTP
  • Dual power input and 2 relay output
  • -40 ~ 85˚C wide-range operating temperature


The EKI-9228G series are designed for power substation automation applications which meet IEC 61850-3 certification. Thanks to its -40 ~ 85°C wide operating temperature it can operate reliably in extremely harsh environments. Designed with 16 Gigabit ports, 4 Gigabit SFP ports, and 8 Gigabit ports it provides abundant and flexible connection. Finally, the EKI-9228G series contain dual power inputs to ensure system stability and 2 relay outputs for greater user flexibility.

Part Number Description
EKI-9228G-8CMI-AE Ind. Rackmount L2 Managed Switch with 48VDC
EKI-9228G-8COI-AE Ind. Rackmount L2 Managed Switch with AC/DC
Standard IEEE 802.3, 802.3u, 802.3x, 802.3z, 802.1D, 802.1w, 802.1p, 802.1Q, 802.1X, 802.3ad, 802.3ab
LAN 10/100/1000Base-T (X), Optional 100Base-FX, 1000Base-SX/LX/LHX/XD/ZX/EZX
Transmission Distance Ethernet: Up to 100 m (4- wire Cat.5e, Cat.6 RJ45 cable suggested for Gigabit port)
SFP: Up to 110 km (depends on SFP)
Transmission Speed Ethernet: 10/100 Mbps Auto-Negotiation
Gigabit Copper: 10/100/1000 Mbps, Auto-Negotiation
Gigabit Fiber: Up to 1000 Mbps
Connectors 16 x RJ45 (Ethernet)
8 x RJ45/SFP (mini-GBIC) combo ports
4 x SFP Ports
3-pin removable screw terminal (Power)
4-pin removable screw terminal (Relay)
LED Indicators 10/100T (X): Link/Activity, Duplex/Collision
Gigabit Copper: Link/Activity, Speed (1000 Mbps)
SFP: Link/Activity
Console RS-232 (RJ45)
Enclosure IP30, metal shell with solid mounting kits
Dimensions (W x H x D) 442 x 44 x 352 mm (17.4" x 1.73" x 13.85")
Mounting 1U 19" Rack mount
Power Consumption EKI-9228G-8CMI: 19.21 W @ 48V
EKI-9228G-8COI: 19.24 W @ 110VAC
Power Input EKI-9228G-8CMI: 48VDC
EKI-9228G-8COI: 90 ~ 264AC/88 ~ 370VDC
Fault Output 2 Relay Outputs
Power Reverse Present
Overload Current Present
Operating Temperature -40 ~ 85°C (-40 ~ 185°F)
Storage Temperature -40 ~ 85°C (-40 ~ 185°F)
Operating Humidity 10 ~ 95% (non-condensing)
Storage Humidity 10 ~ 95% (non-condensing)
Safety UL 60950
EMI CE FCC EN55022 Class A
EMS EN 61000-4-2
EN 61000-4-3
EN 61000-4-4
EN 61000-4-5
EN 61000-4-6
EN 61000-4-8
Shock IEC 60068-2-27
Freefall IEC 60068-2-32
Vibration IEC 60068-2-6
Power Automation IEC 61850-3
L2 Features
L2 MAC Address 16K
Jumbo Frame 9KB
VLAN Group 4093 (VLAN ID 1~4093)
VLAN Mac based VLAN, Protocol based VLAN, IP subnet based VLAN, Port based VLAN, GVRP
Port Mirroring Per port, Multi-source port
IP Multicast IGMP Snooping v1/v2/v3, MLD Snooping, IGMP Immediate leave
Storm Control Broadcast, Multicast, Unknown unicast
Spanning Tree IEEE 802.1D-STP, IEEE 802.1s-MSTP, IEEE 802.1w-RSTP, X-Ring Pro
Priority Queue Scheduling WRR (Weighted Round Robin), SP (Strict Priority)
Class of Service IEEE 802.1p based CoS, IP TOS, DSCP based CoS
Rate Limiting Egress Rate limit, Ingress Rate limit
Link Aggregation IEEE 802.3ad Dynamic Port Trunking, Static Port Trunking
Port Security Static, Dynamic
Authentication 802.1x (Port-Based), RADIUS, TACACS+
ACL 550 rules
Advanced Security IP Source Guard
DHCP Client, Server, Relay, Option 66/67
Access SNMP v1/v2c/v3, WEB, Telnet, RMON, Standard MIB, Private MIB
Security Access SSH 2.0, SSL
Software Upgrade TFTP, HTTP, Dual Image
NTP NTP client

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