Moxa EDS-508A-T 8-Port Managed Industrial Ethernet Switch

Technical Overview

8-port 10/100BaseT(X) managed industrial Ethernet switch with -40 to 75°C operating temperature, IP30 metal housing, and redundant 9.6 to 60 VDC inputs.

Key Features

Industrial-grade reliability, network redundancy, and security features based on IEC 62443 standard.
Wide operating temperature range from -40 to 75°C.
Supports Turbo Ring and Turbo Chain (recovery time < 20 ms) for network redundancy.
TACACS+, SNMPv3, IEEE 802.1X, HTTPS, and SSH to enhance network security.
Supports EtherNet/IP and Modbus TCP protocols for device management and monitoring.
Compatible with PROFINET protocol for transparent data transmission.
Automatic warning by exception through email and relay output.
IP30 metal housing for robust industrial use.
DIN-rail mounting with optional wall mounting.
QoS (IEEE 802.1p/1Q and TOS/DiffServ) to increase determinism.
Port Trunking for optimum bandwidth utilization.
RMON for proactive and efficient network monitoring.
Bandwidth management to prevent unpredictable network status.
Lock port function for blocking unauthorized access based on MAC address.

Technical Specification Matrix

Parameter	Value
Housing Material	Metal
IP Rating	IP30
Operating Temperature	-40 to 75°C (-40 to 167°F)
Storage Temperature	-40 to 85°C (-40 to 185°F)
Ambient Relative Humidity	5 to 95% (non-condensing)
Input Voltage	12/24/48 VDC (Redundant dual inputs)
Operating Voltage	9.6 to 60 VDC
Input Current	0.22 A @ 24 VDC
Installation	DIN-rail mounting, Wall mounting (with optional kit)
Ethernet Ports	8 x 10/100BaseT(X) (RJ45 connector)
Alarm Contact Channels	2, Relay output with current carrying capacity of 1 A @ 24 VDC
Digital Input Channels	2
Digital Inputs	+13 to +30 V for state 1, -30 to +3 V for state 0, Max. input current: 8 mA
Console Port	RS-232 (TxD, RxD, GND), 10-pin RJ45 (115200, n, 8, 1)
Physical Weight (kg)	1.04
Dimensions L x W x H (cm)	13.5 x 8.02 x 10.5

Industrial Applications

1. Railway Trackside Communication Network

The Moxa EDS-508A-T provides reliable and robust Ethernet connectivity for railway systems, including signaling and communication, even in harsh trackside environments.

Problem Solved

Ensures continuous and stable communication in railway infrastructure where equipment is exposed to extreme temperatures (-40 to 75°C) and requires EN 50155 certification for rail applications. Redundant power inputs prevent operational disruption during power fluctuations.

EN 50155Railway communicationTracksideEthernet connectivityManaged switchWide temperature operationRedundant power

2. Power Substation Automation and Control

This switch establishes a secure and highly available communication backbone for power substation automation, facilitating reliable data exchange for monitoring and control systems.

Problem Solved

Provides robust networking in electrical substations, adhering to IEC 61850-3 standards for electromagnetic compatibility and operational stability. Its -40 to 75°C operating range and redundant DC power are crucial for uninterrupted service in critical power grid operations.

IEC 61850-3Power automationSubstation controlSCADAEthernetManaged switchEMI/EMC resistanceRedundant power

3. Intelligent Transportation Systems (ITS) in Roadside Cabinets

The EDS-508A-T offers dependable network connectivity for traffic management devices, cameras, and sensors within roadside cabinets for Intelligent Transportation Systems.

Problem Solved

Maintains critical ITS functionality under harsh environmental conditions common in roadside deployments, meeting NEMA TS2 certification for traffic control equipment. The -40 to 75°C operating temperature, IP30 metal housing, and redundant power inputs ensure continuous operation of vital traffic infrastructure.

NEMA TS2Intelligent Transportation SystemsTraffic controlRoadside cabinetEthernetManaged switchWide temperatureRedundant power