Cost-effective, customizable switches for industries in
need of redundancy and security
The RED25 entry-level, Fast Ethernet redundancy switches are designed
for industrial automation applications in need of cost-effective and
high-end redundant network solutions. In addition to support for various
redundancy technologies like Parallel Redundancy Protocol (PRP) and
High-availability Seamless Redundancy (HSR) the RED25 switches have
comprehensive built-in security features. Other redundancy technologies
like Rapid Spanning Tree Protocol (RSTP) and Media Redundancy Protocol
(MRP) allow the switches to connect to existing networks and Device
Level Ring (DLR) redundancy ensures a recovery time within milliseconds.

The switches are also customizable based on specific port needs or
environmental factors, such as temperature range.
RED25 switches are based on the Hirschmann operating system (HiOS)
software and offer a comprehensive range of security features. To offer
flexibility for network administrators, the switches are available in two
four-port versions: four Fast Ethernet TX ports or two Fast Ethernet TX
ports, plus two Fast Ethernet small form-factor pluggable (SFP) ports.
Based on Hirschmann Operating System (HiOS) software, RED25 supports
several redundancy technologies, while offering a comprehensive range of
security features.
This Fast Ethernet (FE) switch is offered in two, four-port versions:
• Four FE TX ports
• Two FE TX ports, plus two FE small form-factor pluggable (SFP) ports
The SFP-based fiber support enables a flexible network structure by allowing
to change fiber ports in the field. A comprehensive set of security features
also offers all-around network protection.
The RED25 switches guarantee a reliable network of applications with rigorous
real-time requirements in accordance with IEEE 1588 v2. Further features
include an extended operating temperature range from -40 ˚C to +70 ˚C,
broad immunity to electrostatic discharges and high-vibration resistance.
Benefits at a Glance
• Interruption-free data communications thanks to the redundancy technologies
PRP and HSR, fast recovery with DLR, RSTP and MRP
• Two FE port types available (4 x TX and 2 x TX/2 x SFP)
• Allows for connection to existing networks SFP modules to enable flexibility
for in-the-field updates
• Comprehensive security mechanisms provide all-around network protection
• Broad immunity to electrostatic discharges, plus high-vibration resistance
• Small form-factor redundancy box (RedBox)
• Supports distances up to 100 kilometers
• HiOS Layer 2 – Standard software
• 24 V power supply
• Device replacement with auto-configuration adapter ACA22-USB
• Operating temperature range from -40 ˚C to +70 ˚C (standard model:
0 ˚C to +60 ˚C)
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