www.advantech.com/products Online Download Selection Guide Unmanaged Industrial Ethernet Switches Model Name EKI-2728MI EKI-2725/I EKI-2728/I EKI-2525/I EKI-2528/I EKI-2525M/S EKI-2526M/S Description 6G+2G Multi-Mode Unmanaged Ethernet Switch with Wide Temperature 8-port Gigabit Unmanaged Industrial Ethernet Switch 8-port Gigabit Unmanaged Industrial Ethernet Switch 5/8-port Unmanaged Industrial Ethernet Switch 4+1 100FX Port Multi-mode/ Single-mode Unmanaged Industrial Ethernet Switch 4+2 100FX Port Multi-mode/ Single-mode Industrial Ethernet Switch Interface Ports Number 8 5 8 5/8 5 6 10/100Base-T (X) - - - 5/8 4 4 100BaseFX - - - - 1 2 10/100/1000Base-T (X) 6 5 8 - - - 1000Base-SX/LX/ LHX/XD/ZX/EZX 2 - - - - - PoE (10/100 Mbps) - - - - - - PoE (10/100/1000 Mbps) - - - - - - DI/DO - - - - - - Console - - - - - - Network Management Redundancy - - - - - - Diagnostics - - - - - - VLAN - - - - - - Configuration - - - - - - SNMP - - - - - - Security - - - - - - Traffic Control - - - - - - Power 2 x Unregulated 12 ~ 48 VDC       2 x Unregulated 100 ~ 240 VDC - - - - - - 2 x Unregulated 100 ~ 240 VAC - - - - - - Relay Output       Mechanism DIN-rail Mount       Wall Mount       Rack Mount - - - - - - IP Level IP30 IP30 IP30 IP30 IP30 IP30 Protection ESD (Ethernet)       Surge (EFT for power)       Power Reverse       Operating Temperature -10 ~ 60°C (14 ~ 140°F) - EKI-2725 EKI-2728 EKI-2525/2528   -40 ~ 75°C (-40 ~ 167°F)  EKI-2725I EKI-2728I EKI-2525I/2528I - - -40 ~ 85°C (-40 ~ 185°F) - - - - - - Certifications CE       FCC       UL/cUL 60950-1 -      Class 1, Division 2  - - - - - UL 508  - - - - - Others - - - - - - Page 17-43 17-44 online 17-45 17-46 17-46 Power & Energy Automation 8 5 4 4 10 Panel PCs 9 iDoor Technology Modules 8 Industrial monitors 7 Industrial IoT Gateways 6 Control Cabinet PCs High-Performance Control Panels Industrial Operator Panels 3 2 IntelligentMotionControl andMachineVision 1 11 Control IPCs 12 Remote DA&C Systems 13 Wireless IoT Sensing Devices 14 15 RS-485 I/O Modules 16 Thin-Client Terminals Industrial Ethernet Solutions 17 IP Gateway and Serial Device Servers iNetworking 18 19 WebAccess+ Solution Ethernet I/O Modules Chapter 17 Table of Contents Table of Contents