The EDS-518A-MM-ST-T is a high-performance industrial managed Gigabit Ethernet switch from Moxa’s EDS-518A series. Equipped with 18 total ports—including 14 Fast Ethernet (10/100BaseT(X)) ports, 2 100BaseFX multi-mode ST fiber ports, and 2 Gigabit combo ports (either 10/100/1000BaseT(X) or SFP)—this switch delivers flexible and robust networking for harsh industrial applications.

Engineered with advanced redundancy features such as Turbo Ring and Turbo Chain (recovery time < 20 ms), dual redundant power inputs, and a rugged metal housing, it operates reliably in extreme environments ranging from -40 to 75 °C. Comprehensive management and security capabilities, along with support for industrial protocols like Modbus TCP and EtherNet/IP, make it ideal for mission-critical deployments.

Technical Specifications:

Ports:

• 14 × 10/100BaseT(X) RJ45 ports
• 2 × 100BaseFX multi-mode ST fiber ports
• 2 × Gigabit combo ports (RJ45 or 1000BaseSFP)

I/O Interfaces:

• 1 × Alarm relay output, 1 A @ 24 VDC
• 1 × Digital input (+13 to +30 V = 1, -30 to +3 V = 0)

Networking Standards:

• IEEE 802.3/3u/3ab/3z (10M to 1Gbps Ethernet)
• IEEE 802.1X, 802.1D/w/s for STP, RSTP, MSTP
• IEEE 802.1Q/p for VLAN and QoS
• IEEE 802.3ad for LACP/Port Trunking
• IEEE 802.3x flow control

Software Features:

• VLAN: 802.1Q, GVRP, GMRP, port-based
• Multicast: IGMP v1/v2 snooping
• Redundancy: Turbo Ring v1/v2, Turbo Chain, STP/RSTP/MSTP
• Industrial Protocols: EtherNet/IP, Modbus TCP
• Management: IPv4/IPv6, SNMPv1/v2c/v3, Telnet, Web UI, CLI, DHCP, RMON
• Security: HTTPS/SSL, SSH, TACACS+, RADIUS, Port Lock, Broadcast storm protection

Switch Properties:

• IGMP groups: 256
• MAC address table: 8 K
• Max VLANs: 64
• VLAN ID range: 1 to 4094
• Packet buffer: 2 Mbit
• Priority queues: 4

Interfaces:

• Console: RS-232, 10-pin RJ45, 115200 8N1
• DIP switches: Turbo Ring, Master, Coupler, Reserve
• LEDs: PWR1, PWR2, FAULT, TP/Fiber/Gigabit ports, ring status

Power Supply:

• Input voltage: 12–45 VDC
• Current: 0.52 A @ 24 VDC
• Dual redundant inputs, reverse polarity and overload protection

Mechanical:

• Housing: Metal, IP30
• Dimensions: 94 × 135 × 142.7 mm
• Weight: 1630 g
• DIN-rail or optional wall mounting

Environmental Limits:

• Operating temperature: -40 to 75 °C
• Storage temperature: -40 to 85 °C
• Humidity: 5–95% (non-condensing)

Certifications:

• Safety: UL 508, UL 60950-1, EN 62368-1
• EMC: EN 55032/35, FCC Part 15B, CISPR 32
• Environmental: ATEX, DNV, LR, NK, EN 50121-4
• Shock/vibration/drop: IEC 60068-2-6/27/31

MTBF:

• 250,966 hours (Telcordia, GB)

Warranty:

• 5-year manufacturer warranty