EDS-508A Series
8-port managed Ethernet switches

Features and Benefits
- Turbo Ring and Turbo Chain (recovery time < 20 ms @ 250 switches), and STP/RSTP/MSTP for network redundancy
- TACACS+, SNMPv3, IEEE 802.1X, HTTPS, and SSH to enhance network security
- Easy network management by web browser, CLI, Telnet/serial console, Windows utility, and ABC-01
- Supports MXstudio for easy, visualized industrial network management
Certifications
- ATEX
- CE
- FCC
- DNV
Introduction
The EDS-508A standalone 8-port managed Ethernet switches, with their advanced Turbo Ring and Turbo Chain technologies (recovery time < 20 ms), RSTP/STP, and MSTP, increase the reliability and availability of your industrial Ethernet network. Models with a wide operating temperature range of -40 to 75°C are also available, and the switches support advanced management and security features, making the EDS-508A switches suitable for any harsh industrial environment.
Models in this series (10)










| — | EDS-508A | EDS-508A-T | EDS-508A-MM-SC | EDS-508A-MM-SC-T |
| 10/100BaseT(X) Ports, RJ45 Connector | 8 | 8 | 6 | 6 |
| 100BaseFX Ports Multi-Mode, SC Connector | – | – | 2 | 2 |
| 100BaseFX Ports Multi-Mode, ST Connector | – | – | – | – |
| 100BaseFX Ports Single-Mode, SC Connector | – | – | – | – |
| 100BaseFX Ports Single-Mode, SC Connector, 80 km | – | – | – | – |
| Operating Temp. | -10 to 60°C | -40 to 75°C | -10 to 60°C | -40 to 75°C |
| — | Add to Quote View Bag Buy from distributors (for USA only) | Add to Quote View Bag Buy from distributors (for USA only) | Add to Quote View Bag Buy from distributors (for USA only) | Add to Quote View Bag Buy from distributors (for USA only) |
| — | EDS-508A-MM-ST | EDS-508A-MM-ST-T | EDS-508A-SS-SC | EDS-508A-SS-SC-T |
| 10/100BaseT(X) Ports, RJ45 Connector | 6 | 6 | 6 | 6 |
| 100BaseFX Ports Multi-Mode, SC Connector | – | – | – | – |
| 100BaseFX Ports Multi-Mode, ST Connector | 2 | 2 | – | – |
| 100BaseFX Ports Single-Mode, SC Connector | – | – | 2 | 2 |
| 100BaseFX Ports Single-Mode, SC Connector, 80 km | – | – | – | – |
| Operating Temp. | -10 to 60°C | -40 to 75°C | -10 to 60°C | -40 to 75°C |
| — | Add to Quote View Bag Buy from distributors (for USA only) | Add to Quote View Bag Buy from distributors (for USA only) | Add to Quote View Bag Buy from distributors (for USA only) | Add to Quote View Bag Buy from distributors (for USA only) |
| — | EDS-508A-SS-SC-80 | EDS-508A-SS-SC-80-T | — | — |
| 10/100BaseT(X) Ports, RJ45 Connector | 6 | 6 | ||
| 100BaseFX Ports Multi-Mode, SC Connector | – | – | ||
| 100BaseFX Ports Multi-Mode, ST Connector | – | – | ||
| 100BaseFX Ports Single-Mode, SC Connector | – | – | ||
| 100BaseFX Ports Single-Mode, SC Connector, 80 km | 2 | 2 | ||
| Operating Temp. | -10 to 60°C | -40 to 75°C | ||
| — | Add to Quote View Bag Buy from distributors (for USA only) | Add to Quote View Bag Buy from distributors (for USA only) |
Specifications
Shown for EDS-508A. Per-model differences are listed in the selection grid above.
Input/Output Interface
- 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
Ethernet Interface
- 10/100BaseT(X) Ports (RJ45 connector)
- 8 Auto negotiation speed Full/Half duplex mode Auto MDI/MDI-X connection
- Standards
- IEEE 802.3 for 10BaseT IEEE 802.3u for 100BaseT(X) and 100BaseFX IEEE 802.1X for authentication IEEE 802.1D-2004 for Spanning Tree Protocol IEEE 802.1w for Rapid Spanning Tree Protocol IEEE 802.1s for Multiple Spanning Tree Protocol IEEE 802.1Q for VLAN Tagging IEEE 802.1p for Class of Service IEEE 802.3x for flow control IEEE 802.3ad for Port Trunk with LACP
- Optical Fiber
- Read more 100BaseFX Multi-Mode Single-Mode (40 km) Single-Mode (80 km) Fiber Cable Type OM1 50/125 µm G.652 G.652 800 MHz x km Typical Distance 4 km 5 km 40 km 80 km Wavelength Typical (nm) 1300 1310 1550 TX Range (nm) 1260 to 1360 1280 to 1340 1530 to 1570 RX Range (nm) 1100 to 1600 1100 to 1600 1100 to 1600 Optical Power TX Range (dBm) -10 to -20 0 to -5 0 to -5 RX Range (dBm) -3 to -32 -3 to -34 -3 to -34 Link Budget (dB) 12 29 29 Dispersion Penalty (dB) 3 1 1 Note: When connecting a single-mode fiber transceiver, we recommend using an attenuator to prevent damage caused by excessive optical power. Note: Compute the “typical distance” of a specific fiber transceiver as follows: Link budget (dB) > dispersion penalty (dB) + total link loss (dB).
Ethernet Software Features
- Filter
- 802.1Q VLAN Port-based VLAN IGMP v1/v2 GVRP GMRP
- Industrial Protocols
- EtherNet/IP Modbus TCP
- Management
- IPv4/IPv6 SNMPv1/v2c/v3 LLDP Port Mirroring Back Pressure Flow Control BOOTP DDM DHCP Option 66/67/82 DHCP Server/Client Flow control RARP RMON SMTP SNMP Inform Syslog Telnet TFTP
- MIB
- MIB-II Bridge MIB Ethernet-like MIB P-BRIDGE MIB Q-BRIDGE MIB RMON MIB Groups 1, 2, 3, 9 RSTP MIB
- Redundancy Protocols
- STP MSTP RSTP LACP Link Aggregation Turbo Chain Turbo Ring v1/v2
- Security
- HTTPS/SSL TACACS+ Port Lock RADIUS SSH
- Time Management
- NTP Server/Client SNTP
Switch Properties
- IGMP Groups
- 256
- MAC Table Size
- 8 K
- Max. No. of VLANs
- 64
- Packet Buffer Size
- 1 Mbits
- Priority Queues
- 4
- VLAN ID Range
- VID 1 to 4094
LED Interface
- LED Indicators
- PWR1, PWR2, FAULT, 10/100M (TP port), 100M (fiber port), MSTR/HEAD, CPLR/TAIL
Serial Interface
- Console Port
- RS-232 (TxD, RxD, GND), 10-pin RJ45 (115200, n, 8, 1)
DIP Switch Configuration
- Ethernet Interface
- Turbo Ring, Master, Coupler, Reserve
Power Parameters
- Connector
- 2 removable 6-contact terminal block(s)
- Input Voltage
- 12/24/48 VDC Redundant dual inputs
- Operating Voltage
- 9.6 to 60 VDC
- Input Current
- 0.22 A @ 24 VDC
- Overload Current Protection
- Supported
- Reverse Polarity Protection
- Supported
Physical Characteristics
- Housing
- Metal
- IP Rating
- IP30
- Dimensions
- 80.2 x 135 x 105 mm (3.16 x 5.31 x 4.13 in)
- Weight
- 1040 g (2.3 lb)
- Installation
- DIN-rail mounting Wall mounting (with optional kit)
Environmental Limits
- Operating Temperature
- -10 to 60°C (14 to 140°F)
- Storage Temperature (package included)
- -40 to 85°C (-40 to 185°F)
- Ambient Relative Humidity
- 5 to 95% (non-condensing)
Standards and Certifications
- Safety
- EN 62368-1 UL 60950-1 UL 508
- EMC
- EN 55032/35
- EMI
- CISPR 32, FCC Part 15B Class A
- EMS
- IEC 61000-4-2 ESD: Contact: 6 kV; Air: 8 kV IEC 61000-4-3 RS: 80 MHz to 1 GHz: 20 V/m IEC 61000-4-4 EFT: Power: 2 kV; Signal: 1 kV IEC 61000-4-5 Surge: Power: 2 kV; Signal: 2 kV IEC 61000-4-6 CS: 10 V IEC 61000-4-8 PFMF
- Hazardous Locations
- ATEX Class I Division 2
- Vibration
- IEC 60068-2-6
- Shock
- IEC 60068-2-27
- Freefall
- IEC 60068-2-31
- Maritime
- DNV
MTBF
- Time
- 1,105,486 hrs
- Standards
- Telcordia (Bellcore), GB
Warranty
- Warranty Period
- 5 years
- Details
- See www.moxa.com/warranty
Resources
Need pricing on the EDS-508A Series?
Tell us quantities and we'll come back with a quote.