MOXA EDS-508A-MM-SC D201427

Technical Specifications (Core Parameters Bold)

Port Configuration

• 6 × 10/100BaseT(X) Auto MDI/MDI-X shielded RJ45 copper ports
• 2 × 100BaseFX OM1 multi-mode fiber ports with SC connector interface
• Maximum multi-mode fiber transmission distance: 4 km @ 1300 nm optical wavelength

Advanced Redundancy & Management Protocols

• Redundancy Technology: MOXA Turbo Ring V2 recovery time < 20 ms, Turbo Ring basic, IEEE 802.1w RSTP, IEEE 802.1s MSTP
• Hardware DIP Switches: 4-position front-panel DIP switches for instant Turbo Ring master/coupler node configuration
• QoS Control: IEEE 802.1p 8-level priority queuing, port bandwidth rate limiting ingress/egress
• VLAN Capacity: 256 configurable 802.1Q tagged VLAN groups
• Security Functions: 802.1X port authentication, static MAC address whitelisting, SSH/HTTPS encrypted remote management
• Monitoring Tools: Full RMON 1,2,3,9 groups, port mirroring traffic capture for fault diagnostics
• Configuration Interfaces: Web HTTPS, SSH Telnet, RS232 console serial port, SNMPv1/v2c/v3 encrypted protocol

Electrical & Environmental Ratings

• Dual Redundant Power Input: 12 ~ 48 VDC isolated screw terminal power supply
• Maximum Power Consumption: 5.8 W full load operation
• Fault Relay Output: Isolated dry contact relay triggered by power loss, ring topology failure, port link down
• Operating Temperature Full Rated: -40 °C ~ +75 °C
• Mechanical Compliance: IEC 60068-2-27 shock, IEC 60068-2-6 vibration industrial standard
• Enclosure Protection Class: IP30 extruded aluminum metal housing
• Mount Standard: 35 mm DIN rail direct mount, optional wall mounting hardware kit
• Physical Dimensions: 118 mm (W) × 142 mm (H) × 36 mm (D)
• Net Weight: 510 g

Switching Performance Hardware

• Total Backplane Bandwidth: 1.6 Gbps
• Full Wire-Speed Packet Forwarding Rate: 1.488 Mpps
• MAC Address Table Storage: 4096 unique MAC address entry capacity
• Jumbo Frame Support: 1522 byte maximum standard Ethernet frame size

Functional Features

1. Turbo Ring V2 ultra-fast <20ms network recovery critical for servo motion control and safety bus networks
2. Front-panel hardware DIP switches eliminate software configuration requirement for ring topology master/coupler node setup
3. Expanded 4096 MAC address table supports large-scale multi-device factory production line networks
4. Full RMON traffic statistics and port mirroring integrated for offline network fault troubleshooting
5. Dual redundant DC power input with dedicated hardware fault relay for remote PLC system monitoring
6. Encrypted SSH/HTTPS/SNMPv3 communication blocks unauthorized network configuration modification
7. Batch serial identifier D201427 provides complete component assembly and factory test record traceability
8. Rugged wide-temperature aluminum chassis withstands heavy mechanical shock and continuous vibration industrial environments

Working Principle

Material Composition & Structural Characteristics

• Outer Enclosure: Thick extruded aluminum alloy with black hard anodized anti-corrosion coating
• Main Circuit Board: Double-sided industrial FR4 PCB with multi-stage ESD and surge protection on all signal ports
• Optical Subassembly: Integrated multi-mode SC fiber transceivers with built-in signal loss detection circuit
• Front Panel Control Elements: 4-position plastic DIP toggle switches, LED status indicator array, shielded RJ45 jacks
• Power Terminals: Dual isolated screw-clamp DC input terminals with reverse polarity protection circuitry
• Rear Mount Hardware: Integral DIN rail clip bracket, dedicated wall mounting accessory mounting holes

Advantage Highlights

1. Industry-leading <20ms Turbo Ring V2 redundancy recovery for safety-critical industrial Ethernet topologies
2. Hardware DIP switch ring configuration eliminates PC software setup requirement for on-site field commissioning
3. Expanded 4096 MAC address table supports high-density multi-node production line networking architectures
4. Full suite encrypted remote management protocols prevent industrial network cybersecurity vulnerabilities
5. Dual multi-mode fiber uplink ports deliver long-distance ground-loop-free inter-plant network connections
6. Unique batch serial D201427 enables full lifecycle component traceability for maintenance and spare part inventory filing

Applicable Industries

Installation Requirements

1. Horizontal DIN rail mounting orientation mandatory to maintain full -40~+75°C temperature operation rating
2. Two independent isolated DC power supply circuits connected to dual input terminals to activate redundant power function
3. All unused SC fiber and RJ45 copper ports sealed with factory plastic dust caps to prevent contact oxidation
4. Minimum 20 mm vertical air gap above and below unit for passive convection heat dissipation
5. CAT5e shielded twisted pair cable exclusively for copper port wiring; cable shield terminated to cabinet PE protective earth bar

Usage Precautions

1. Serial batch D201427 is factory traceability code only; electrical and functional specifications identical to all standard EDS-508A-MM-SC units
2. Insertion of single-mode optical fiber into multi-mode SC transceiver ports causes irreversible optical component burnout
3. DIP switch Turbo Ring master/coupler settings must be consistent with network topology drawing to avoid broadcast loop failure
4. Unit IP30 enclosure rating only provides dust protection; installation in direct water spray environments prohibited
5. Complete configuration flash memory backup file storage required prior to executing firmware upgrade operation