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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 (bis zu 30 km) and provides a plug-and-play network expansion solution.
- Core Specifications Overview
| Kategorie | Einzelheiten | Notizen |
| Modell | Advantech EKI-2526S-AE | Standard model, 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: Bis zu 30 km over single-mode fiber | ||
| Power Supply | 12–48 VDC redundant power input, 6-pin removable screw terminal | Dual power input for enhanced system reliability |
| Stromverbrauch | Max. 4.6 W | Low-power design for continuous long-term operation |
| Betriebstemperatur | -40°C to 75°C (some sources: -10°C to 60°C) | Wide temperature range for extreme industrial environments |
| Ingress Protection | IP30 (front panel) | Dustproof, suitable for cabinet installation |
| Montage | 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 MS)
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
- Easy Installation & Wartung
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
- Typische Anwendungen
| Industrie | Anwendung | Core Value |
| 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 |
| Petrochemie | Automation systems in refineries and chemical plants | Installed outside hazardous areas, sicher und zuverlässig |
| Food & Beverage | Networking for Tetra Pak packaging lines (z.B., TBA series fillers) | Seamless integration with industrial sensors and controllers |
| Gebäudeautomation | Intelligent building control systems, HVAC communication | Compact design for equipment rooms and field installation |
- Auswahl & Replacement Guide
4.1 Comparison of Models in the Same Series
| Modell | Fiber Type | Fiber Ports | Anwendung |
| 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 (bis zu 30 km) |
4.2 Recommended Alternatives
| Erfordernis | Empfohlenes Modell | Vorteile |
| 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 & Installationshinweise
- Purchasing Channels
Advantech official store or authorized distributors, WhatsApp: 86-13811255435
Industrial automation platforms (z.B., Newark, Digi-Key)
Price reference: ca. €300–€400 (tax included)
- Vorsichtsmaßnahmen bei der Installation
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, usw.)
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
Kernpositionierung: 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)
| Bestell-Nr. | Vollständiger Produktname | Temp. Reichweite | Fiber Spec. | Hauptmerkmale | Anwendung |
| EKI-2526S-AE | 4FE+2FE SC Single-mode Unmanaged Industrial Ethernet Switch | -10~60°C | 2×100 Mbps SC single-mode, bis zu 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, bis zu 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, bis zu 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, bis zu 30 km | Wide-temp + ST interface | Extreme environments + legacy system upgrades |
1.2 Multi-Mode Fiber Series (Suffix M)
| Bestell-Nr. | Vollständiger Produktname | Temp. Reichweite | Fiber Spec. | Hauptmerkmale | Anwendung |
| EKI-2526M-AE | 4FE+2FE SC Multi-mode Unmanaged Industrial Ethernet Switch | -10~60°C | 2×100 Mbps SC multi-mode, bis zu 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, bis zu 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, bis zu 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, bis zu 2 km | Wide-temp + ST interface | Extreme environments, metallurgy |
1.3 PoE Series (Suffix PI)
| Bestell-Nr. | Vollständiger Produktname | Temp. Reichweite | Port Configuration | Hauptmerkmale | Anwendung |
| 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 |
- Modellbenennungskonvention
The EKI-2526 series uses the following naming rules for quick identification:
| Teil | Bedeutung | Beispiel |
| EKI-2526 | Basismodell: 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 |
| ICH | 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 | Funktion: 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
| Artikel | Einzelheiten | Notizen |
| Port Configuration | 4×RJ45 (10/100 Mbps) + 2×SC single-mode fiber (100 Mbps) | Behoben, unmanaged |
| Transmission Distance | Copper: 100 M (Cat5e/Cat6), fiber: bis zu 30 km (single-mode) | Single-mode for long-haul transmission |
| Power Supply | 12–48 VDC redundant input, 6-pin removable terminal | Enhanced reliability, power failover |
| Schutz | IP30 (front), metal housing | Dustproof for control cabinets |
| Montage | DIN-rail / wall-mount | Kompakt, 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 |
- Auswahlhilfe & Upgrade-Vorschläge
4.1 Model Selection by Application
| Szenario | Empfohlenes Modell | 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 / raue Umgebung | 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 | Modell | 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
