Moxa
EDS-505A-SS-SC-T

EDS-505A-SS-SC-T

EDS-505A Series

5-port managed Ethernet switches

  • 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

Ships from and sold by A5 IT, an authorized Moxa reseller.

Specifications

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
Buttons
Reset button

Ethernet Interface

10/100BaseT(X) Ports (RJ45 connector)
3 Auto negotiation speed Full/Half duplex mode Auto MDI/MDI-X connection
100BaseFX Ports (single-mode SC connector)
2
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 Fiber Cable Type OM1 50/125 µm G.652 800 MHz x km Typical Distance 4 km 5 km 40 km Wavelength Typical (nm) 1300 1310 TX Range (nm) 1260 to 1360 1280 to 1340 RX Range (nm) 1100 to 1600 1100 to 1600 Optical Power TX Range (dBm) -10 to -20 0 to -5 RX Range (dBm) -3 to -32 -3 to -34 Link Budget (dB) 12 29 Dispersion Penalty (dB) 3 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 Mirror 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 RADIUS TACACS+ Port Lock SSH Broadcast storm protection
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

Connection
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
0.29 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
-40 to 75°C (-40 to 167°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
1,090,077 hrs
Standards
Telcordia (Bellcore), GB

Warranty

Warranty Period
5 years
Details
See www.moxa.com/warranty

Documentation

NameTypeVersionDate
Software Package for MXview One Series (Windows version)249.1 MBSoftware Packagev1.7.2May 08, 2026 May 08, 2026 Release notes
Software Package for MXview One Series (Linux version)552.6 MBSoftware Packagev1.7.2May 08, 2026 May 08, 2026 Release notes
Firmware for EDS-505A Series2.4 MBFirmwarev3.13Mar 31, 2026 Mar 31, 2026 Release notes
EDS file for EDS-505A Series8.7 KBSoftware Packagev1.5Sep 23, 2025 Sep 23, 2025 Release notes
SNMP MIB file for EDS-505A Series132.4 KBSoftware Packagev3.9Sep 23, 2025 Sep 23, 2025 Release notes
EtherNet/IP FactoryTalk View17.1 MBSoftware Packagev1.7Sep 11, 2025 Sep 11, 2025 Release notes
Firmware for EDS-505A Series2.5 MBFirmwarev3.11Feb 03, 2024 Feb 03, 2024 Release notes
Modbus File for Moxa Managed Ethernet Switches2.3 KBSoftware Packagev1.0Aug 31, 2023 Aug 31, 2023 Release notes
EtherNet/IP AOI (5P) for EDS-505A Series82.9 KBSoftware Packagev1.2.0Jan 18, 2018 Jan 18, 2018 Release notes
Firmware for EDS-505A Series1.8 MBFirmwarev3.8Apr 04, 2017 Apr 04, 2017 Release notes
Moxa Ethernet Switch and Video Server Configurator1.6 MBUtilityv5.3Apr 09, 2012 Apr 09, 2012 Release notes
Firmware for EDS-505A Series1.4 MBFirmwarev2.6Dec 20, 2009 Dec 20, 2009 Release notes
Datasheet for EDS-505A Series1.4 MBDatasheetv1.7Jun 15, 2026
FOSS Statement for EDS-400A Series, EDS-500A Series, EDS-P500(A) Series, EDS-600 Series, EDS-G509 Series533.6 KBDeclarationv1.1Mar 31, 2026
Industrial Protocol Users Guide11.9 MBManualv6.7Mar 26, 2026
Declaration of Conformity (EU/UK) for EDS-505A Series299.5 KBDeclarationv1.1Nov 17, 2025
Moxa Command Line Interface (FW 4.x) User's Manual2.6 MBManualv5.3Sep 23, 2025
Moxa Managed Ethernet Switch Manual for EDS Series8.1 MBManualv10.0Sep 23, 2025
FOSS Statement for EDS-400A Series, EDS-500A Series, EDS-P500(A) Series, EDS-600 Series, EDS-G509 Series832.7 KBDeclarationv1.0Sep 23, 2025
Industrial Protocol Users Guide13.4 MBManualv6.6Mar 11, 2025
Moxa Managed Ethernet Switch Manual for EDS Series7.8 MBManualv9.9Aug 31, 2023
Managed Ethernet Switch User Manual6.4 MBManualv9.8Nov 25, 2022
Industrial Protocol Users Guide11.9 MBManualv6.3Sep 12, 2022
Moxa Managed Ethernet Switch User's Manual6.4 MBManualv9.7Jun 29, 2022
QIG for EDS-505A/EDS-508A Series2.5 MBQIGv11.2Jun 28, 2022
Tech Note: Dual Homing for Turbo Ring V270.4 KBTech Notev1.0Feb 21, 2019
Tech Note: Turbo Ring59.2 KBTech Notev1.0Feb 21, 2019
Tech Note: Dual Ring for Turbo Ring V259.6 KBTech Notev1.0Feb 21, 2019
Tech Note: Turbo Ring V254.9 KBTech Notev1.0Feb 21, 2019
Tech Note: Ring Coupling for Turbo Ring V264.3 KBTech Notev1.0Feb 21, 2019
Tech Note: Turbo Chain59.1 KBTech Notev1.0Feb 21, 2019
Tech Note: Ring Coupling for a Turbo Ring60.4 KBTech Notev1.0Feb 21, 2019
Tech Note: Recommended Procedure for STP Cable Grounding on Moxa's Industrial Ethernet Switches558.3 KBTech Notev1.0Feb 12, 2019
2D CAD for EDS-505A-MM-SC295.2 KB2D CADJan 19, 2018
2D CAD for EDS-505A265.1 KB2D CADJan 19, 2018
Moxa Command Line Interface (FW 4.x) User's Manual2.3 MBManualv5.2Oct 19, 2017
Communication Redundancy User's Manual1.2 MBManualv5.0Aug 13, 2014