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Advantech EKI-2526S-AE is a compact unmanaged industrial Ethernet switch with a combination of 4×RJ45 copper ports + 2×SC single-mode fiber ports. Designed specifically for harsh industrial environments, it supports long-distance fiber transmission (până la 30 km) and provides a plug-and-play network expansion solution.
- Core Specifications Overview
| Categorie | Details | Note |
| Model | Advantech EKI-2526S-AE | Model standard, industrial-grade design |
| Port Configuration | 4×10/100Base-T(X) RJ45 + 2×100Base-F(X) SC single-mode fiber ports | Auto-detects 10/100 Mbps speed |
| Transmission Distance | Copper: 100 m (Cat5e/Cat6) | Long-distance communication, anti-electromagnetic interference |
| Fiber: Până la 30 km over single-mode fiber | ||
| Alimentare electrică | 12–48 VDC redundant power input, 6-pin removable screw terminal | Dual power input for enhanced system reliability |
| Consumul de energie | Max. 4.6 W | Low-power design for continuous long-term operation |
| Temperatura de operare | -40°C to 75°C (some sources: -10°C to 60°C) | Wide temperature range for extreme industrial environments |
| Ingress Protection | IP30 (front panel) | Rezistent la praf, suitable for cabinet installation |
| Montare | DIN-rail / wall-mountable | Flexible for on-site industrial layout |
| Switching Mode | Store-and-Forward | Ensures accurate data transmission and reduces error frames |
| Flow Control | Full/half-duplex flow control, auto MDI/MDIX crossover detection | No crossover cable required, simplified installation |
- Key Product Features
- Industrial-Grade Reliability
Wide-temperature design for operation from -40°C to 75°C
Vibration resistance (5–17 Hz, 1.5 mm double amplitude) and shock resistance (10 g, 11 Domnișoară)
Redundant power input with 12–48 VDC wide voltage range to prevent power failures
- Network Performance Advantages
Auto-negotiation for speed and duplex mode on all ports
Memory buffer + store-and-forward mechanism for data integrity
Complies with IEEE 802.3, IEEE 802.3u standards, compatible with mainstream industrial devices
- Instalare ușoară & Întreţinere
Plug-and-play, no configuration required, low technical barrier
DIN-rail or wall mounting, space-saving for industrial control cabinets
LED indicators for power and port status for quick network diagnostics
- Aplicații tipice
| Industrie | Aplicație | Valoarea de bază |
| Smart Manufacturing | Production line networking, PLC and sensor communication | Anti-interference, stable control signal transmission |
| Energy Industry | Data acquisition in substations, wind farms, PV power stations | Long-distance fiber transmission, lower cabling costs |
| Transportation | Network connectivity for rail transit, port equipment | Wide-temperature design for harsh outdoor environments |
| Petrochemical | Automation systems in refineries and chemical plants | Installed outside hazardous areas, safe and reliable |
| Food & Beverage | Networking for Tetra Pak packaging lines (de ex., TBA series fillers) | Seamless integration with industrial sensors and controllers |
| Automatizarea clădirilor | Intelligent building control systems, HVAC communication | Compact design for equipment rooms and field installation |
- Selecţie & Replacement Guide
4.1 Comparison of Models in the Same Series
| Model | Fiber Type | Fiber Ports | Aplicație |
| EKI-2525M-AE | Multi-mode SC | 1 | Short-distance fiber transmission (< 2 km) |
| EKI-2526M-AE | Multi-mode SC | 2 | Short-distance multi-device fiber connections |
| EKI-2526S-AE | Single-mode SC | 2 | Long-distance fiber transmission (până la 30 km) |
4.2 Recommended Alternatives
| Requirement | Model recomandat | Avantaje |
| Managed Upgrade | Advantech EKI-2726S | Supports Web management, VLAN, QoS and other advanced functions |
| Gigabit Speed | Advantech EKI-2526G-SFP | Supports SFP modules for flexible fiber compatibility |
| Higher Port Density | Advantech EKI-2548S | 16×RJ45 + 2×SC single-mode fiber ports for large-scale networks |
| PoE Power Supply | Advantech EKI-2526P | Supports PoE/PoE+ for cameras, APs and other devices |
- Purchasing & Note de instalare
- Purchasing Channels
Advantech official store or authorized distributors, WhatsApp: 86-13811255435
Industrial automation platforms (de ex., Newark, Digi-Key)
Preț de referință: aproximativ. €300–€400 (tax included)
- Precauții de instalare
Ensure power voltage is within 12–48 VDC; connect redundant power for reliability
Keep SC fiber connectors clean during installation to avoid signal degradation
Allow sufficient heat dissipation space (≥5 cm on both sides) when DIN-rail mounted
Avoid direct exposure to water, oil or corrosive gases
- Compatibility Notes
Compatible with all network devices conforming to IEEE 802.3
Supports major industrial protocols (Profinet, EtherNet/IP, Modbus TCP, etc.)
Direct replacement for similar unmanaged switches without network reconfiguration
With industrial-grade reliability, long-distance fiber transmission and plug-and-play features, the EKI-2526S-AE is an ideal solution for industrial network expansion. It is especially suitable for connecting distributed equipment over long distances in harsh environments, such as smart manufacturing lines, energy facilities and transportation systems. For advanced functions such as VLAN and traffic control, consider upgrading to the Advantech EKI-2700 series managed switches.
Complete List of Advantech EKI-2526S-AE Product Series
Core Positioning: The EKI-2526 series is a 6-port (4 copper + 2 fiber) branch of the Advantech EKI-2000 unmanaged industrial Ethernet switch family, designed for industrial environments with plug-and-play network expansion. Below is a structured list of full series models and order numbers.
- Complete EKI-2526 Series Model List (By Fiber Type)
1.1 Single-Mode Fiber Series (Suffix S)
| Comanda nr. | Full Product Name | Temp. Range | Fiber Spec. | Key Features | Aplicație |
| EKI-2526S-AE | 4FE+2FE SC Single-mode Unmanaged Industrial Ethernet Switch | -10~60°C | 2×100 Mbps SC single-mode, până la 30 km | Standard temp, IP30, redundant 12–48 VDC | Short-range industrial networks, factory automation |
| EKI-2526SI-AE | 4FE+2FE SC Single-mode Wide-Temp Unmanaged Industrial Ethernet Switch | -40~75°C | 2×100 Mbps SC single-mode, până la 30 km | Wide-temp, vibration/shock resistant | Outdoor networking, energie, rail transit |
| EKI-2526S-ST-AE | 4FE+2FE ST Single-mode Unmanaged Industrial Ethernet Switch | -10~60°C | 2×100 Mbps ST single-mode, până la 30 km | ST interface, legacy cabling compatible | Factory retrofits with existing ST fiber |
| EKI-2526SI-ST-AE | 4FE+2FE ST Single-mode Wide-Temp Unmanaged Industrial Ethernet Switch | -40~75°C | 2×100 Mbps ST single-mode, până la 30 km | Wide-temp + ST interface | Extreme environments + legacy system upgrades |
1.2 Multi-Mode Fiber Series (Suffix M)
| Comanda nr. | Full Product Name | Temp. Range | Fiber Spec. | Key Features | Aplicație |
| EKI-2526M-AE | 4FE+2FE SC Multi-mode Unmanaged Industrial Ethernet Switch | -10~60°C | 2×100 Mbps SC multi-mode, până la 2 km | Standard temp, multi-mode fiber | Building automation, data center interconnection |
| EKI-2526MI-AE | 4FE+2FE SC Multi-mode Wide-Temp Unmanaged Industrial Ethernet Switch | -40~75°C | 2×100 Mbps SC multi-mode, până la 2 km | Wide-temp, multi-mode fiber | Outdoor short-range networks, transportation |
| EKI-2526M-ST-AE | 4FE+2FE ST Multi-mode Unmanaged Industrial Ethernet Switch | -10~60°C | 2×100 Mbps ST multi-mode, până la 2 km | ST interface, legacy multi-mode systems | Plant retrofits with ST fiber |
| EKI-2526MI-ST-AE | 4FE+2FE ST Multi-mode Wide-Temp Unmanaged Industrial Ethernet Switch | -40~75°C | 2×100 Mbps ST multi-mode, până la 2 km | Wide-temp + ST interface | Extreme environments, metallurgy |
1.3 PoE Series (Suffix PI)
| Comanda nr. | Full Product Name | Temp. Range | Port Configuration | Key Features | Aplicație |
| EKI-2526PI-AE | 4FE PoE + 2FE Wide-Temp Unmanaged Industrial Ethernet Switch | -40~75°C | 4×10/100Base-T(X) PoE (IEEE 802.3af, 15.4W/port) + 2×100Base-FX | Wide-temp, PoE, redundant 48 VDC | IP cameras, wireless APs, sensor power |
| EKI-2526PI-M-AE | 4FE PoE + 2FE Multi-mode Wide-Temp Unmanaged Industrial Ethernet Switch | -40~75°C | 4×PoE + 2×100 Mbps SC multi-mode | PoE + multi-mode fiber | Smart factories, remote powered devices |
| EKI-2526PI-S-AE | 4FE PoE + 2FE Single-mode Wide-Temp Unmanaged Industrial Ethernet Switch | -40~75°C | 4×PoE + 2×100 Mbps SC single-mode | PoE + single-mode long-distance | Wind farms, PV stations, remote equipment |
- Model Naming Convention
The EKI-2526 series uses the following naming rules for quick identification:
| Part | Sens | Exemplu |
| EKI-2526 | Base model: 6-port (4 copper + 2 fiber) unmanaged industrial switch | EKI-2526S-AE |
| S/M | Fiber type: S = single-mode, M = multi-mode | EKI-2526S-AE |
| eu | Temperature grade: I = wide-temp (-40~75°C), none = standard (-10~60°C) | EKI-2526SI-AE |
| ST | Fiber connector: ST = ST type, none = SC type | EKI-2526S**-ST**-AE |
| PI | Funcţie: PI = PoE version | EKI-2526PI-AE |
| -AE/-BE | Version code: BE replaces AE as updated revision | EKI-2526S**-AE** |
- Core Specs & Positioning of EKI-2526S-AE
| Articol | Details | Note |
| Port Configuration | 4×RJ45 (10/100 Mbps) + 2×SC single-mode fiber (100 Mbps) | Fixed, unmanaged |
| Transmission Distance | Copper: 100 m (Cat5e/Cat6), fiber: până la 30 km (single-mode) | Single-mode for long-haul transmission |
| Alimentare electrică | 12–48 VDC redundant input, 6-pin removable terminal | Enhanced reliability, power failover |
| Protecţie | IP30 (front), metal housing | Dustproof for control cabinets |
| Montare | DIN-rail / wall-mount | Compact, space-saving |
| Operating Temp | -10~60°C (standard), -40~75°C (wide-temp) | Adaptable to various industrial environments |
| Switching | Store-and-Forward | Ensures data accuracy |
- Selection Guide & Upgrade Suggestions
4.1 Model Selection by Application
| Scenariu | Model recomandat | Key Advantage |
| Long-distance (>2 km) | EKI-2526S-AE / EKI-2526SI-AE | Single-mode up to 30 km |
| Short-distance (<2 km) | EKI-2526M-AE / EKI-2526MI-AE | Lower-cost multi-mode fiber |
| Outdoor / harsh environment | EKI-2526SI-AE / EKI-2526MI-AE | -40~75°C wide-temp |
| Legacy ST fiber upgrade | EKI-2526S-ST-AE / EKI-2526M-ST-AE | Compatible with existing ST cabling |
| PoE-powered devices | EKI-2526PI-AE / PI-M / PI-S | IEEE 802.3af PoE support |
4.2 Upgrade Alternatives
| Need | Model | Upgrade Benefit |
| Managed functions | Advantech EKI-2726S | Web management, VLAN, QoS |
| Gigabit speed | Advantech EKI-2526G-SFP | SFP-based gigabit flexibility |
| Higher port count | Advantech EKI-2548S | 16 copper + 2 single-mode fiber |
| Latest replacement | EKI-2526S-BE | Updated design, improved compatibility |
- Purchasing Notes
- Key Considerations
Confirm temperature range: standard (-10~60°C) or wide-temp (-40~75°C)
Select correct fiber type: single-mode / multi-mode, SC / ST connector
Verify power: 12–48 VDC redundant power supply
Plan for future expansion: choose EKI-2700 managed series if needed
