Description
The Beckhoff CU2508-0000 is an 8-port real-time Ethernet port multiplier designed for reliable industrial network expansion. It supports both standard Ethernet TCP/IP and real-time industrial protocols, enabling deterministic communication for automation systems. The device is optimized for control cabinet installation where stable data transfer and compact design are required.
Technical Specifications
| Condition |
New/Never Used Surplus |
| Brand |
Beckhoff |
| Category |
Industrial Networking |
| Part Number |
CU2508-0000 |
| Subcategory |
Ethernet Switches |
| Device Type |
Real-time Ethernet port multiplier |
| Supported Protocols |
Ethernet TCP/IP; EtherCAT, PROFINET and others (driver-dependent) |
| Ethernet Interface |
RJ45 |
| Number of Ports |
8 |
| Data Transfer Rates |
100BASE-TX and 1 Gbit/s uplink |
| Maximum Cable Length |
Up to 100 m (twisted pair) |
| Diagnostics |
Status LEDs |
| Power Supply |
24 V DC (18–30 V DC) |
| Current Consumption |
Approx. 250 mA |
| Power Connection |
3-pin (+, −, PE) |
| Operating Temperature |
-25 to +55 °C |
| Storage Temperature |
-40 to +85 °C |
| Protection Rating |
IP20 |
| Approvals / Markings |
CE, UL |
| Dimensions (W x H x D) |
Approx. 146 x 100 x 30 mm |
| Weight |
Approx. 0.6 kg |
Information About CU2508-0000
The CU2508-0000 is part of Beckhoff’s industrial communication hardware portfolio, developed to extend Ethernet-based control architectures efficiently. It is designed to operate as a real-time capable Ethernet switch, supporting protocols such as EtherCAT and PROFINET depending on the installed driver environment. The unit features multiple standard-speed ports combined with a high-speed uplink to optimize data flow within machine and plant networks. Its robust electrical design, wide temperature range, and industrial-grade diagnostics make it suitable for continuous operation in automation environments.
Key Features:
- Eight Ethernet Ports: Enables connection of multiple automation devices within a single network segment.
- Gigabit Uplink Port: Provides a 1 Gbit/s uplink for efficient data transfer to higher-level networks.
- Real-Time Protocol Support: Compatible with EtherCAT, PROFINET, and other real-time Ethernet protocols depending on driver support.
- Standard Ethernet Compatibility: Supports Ethernet TCP/IP for seamless integration with conventional networks.
- RJ45 Interfaces: Uses standard RJ45 connectors for reliable and widely compatible physical connections.
- Long Cable Support: Allows twisted pair cable lengths of up to 100 meters per port.
- Integrated Diagnostics LEDs: Visual status indication for ports and device operation simplifies troubleshooting.
- Wide Operating Temperature Range: Designed to operate from -25 to +55 °C in industrial environments.
- Flexible Power Input: Operates on 24 V DC with an extended tolerance range from 18 to 30 V DC.
- Compact Housing Design: Slim dimensions support space-efficient control cabinet installation.
The CU2508-0000 delivers the reliability and precision required for real-time industrial Ethernet communication and network expansion in automation systems.
