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Brand: MOXA
Moxa EDS-408A 8-Port Entry-Level Managed Ethernet Switch
Description
What the EDS-408A does on the plant network
EDS-408A is listed by Moxa as: Entry-level managed Ethernet switch with 8 10/100BaseT(X) ports, -10°C to 60°C operating temperature. The EDS-408A brings Turbo Ring, Turbo Chain, RSTP, VLAN, IGMP snooping and SNMP to an eight-port DIN-rail switch, with DIP-switch configuration of redundancy roles for installers who do not want a laptop on site.
On the datasheet side, the power input is 12/24/48 VDC; Redundant dual inputs; operating temperature is -10 to 60°C (14 to 140°F); dimensions are 53.6 x 135 x 105 mm (2.11 x 5.31 x 4.13 in); weight is 650 g (1.44 lb); the enclosure is rated IP30.
Standards and approvals printed for this model include hazardous-location listings of ATEX; Class I Division 2; IECEx; marine approvals (NK; DNV); railway standard EN 50121-4; safety standard UL 508. Approvals can differ between variants of a series, so check the one on the exact order code.
Technical specifications
| Parameter | Specification |
|---|---|
| 10/100BaseT(X) Ports (RJ45 connector) | 8; Auto negotiation speed; Full/Half duplex mode; Auto MDI/MDI-X connection |
| 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 … |
| Filter | 802.1Q VLAN; GMRP; GVRP; IGMP v1/v2; Port-based VLAN |
| Industrial Protocols | EtherNet/IP; Modbus TCP |
| Management | Back Pressure Flow Control; BOOTP; DHCP Option 66/67/82; DHCP Server/Client; Flow control; IPv4/IPv6; LLDP; Port Mirroring; RARP; RMON; SMTP; SNMP Inform … |
| Redundancy Protocols | RSTP; STP; Turbo Chain; Turbo Ring v1/v2 |
| Security | Broadcast storm protection; HTTPS/SSL; NTP authentication; Port Lock; SNMPv3; SSH; Trust access control |
| Time Management | NTP Server/Client; SNTP |
| 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 |
| Console Port | RS-232 (TxD, RxD, GND), 10-pin RJ45 (115200, n, 8, 1) |
| Alarm Contact Channels | Relay output with current carrying capacity of 1 A @ 24 VDC |
| Connection | 1 removable 6-contact terminal block(s) |
| Input Voltage | 12/24/48 VDC; Redundant dual inputs |
| Operating Voltage | 9.6 to 60 VDC |
| Input Current | 0.61 @ 12 VDC; 0.3 @ 24 VDC; 0.16 @ 48 VDC |
| Overload Current Protection | Supported |
| Reverse Polarity Protection | Supported |
| Housing | Metal |
| IP Rating | IP30 |
| Dimensions | 53.6 x 135 x 105 mm (2.11 x 5.31 x 4.13 in) |
| Weight | 650 g (1.44 lb) |
| Installation | DIN-rail mounting; Wall mounting (with optional kit) |
| 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) |
| Safety | UL 508 |
| EMC | EN 55032/35 |
| EMI | CISPR 32, FCC Part 15B Class A |
| Hazardous Locations | ATEX; Class I Division 2; IECEx |
| Railway | EN 50121-4 |
| Traffic Control | EDS-408A, EDS-408A-MM-SC/MM-ST/SS-SC/EIP/PN models: NEMA TS2 |
| Vibration | IEC 60068-2-6 |
| Shock | IEC 60068-2-27 |
| Freefall | IEC 60068-2-31 |
| Maritime | NK; DNV |
| Warranty Period | 5 years |
Selecting the right variant
It is widely used for ring topologies in water, power and process plants. EtherNet/IP and PROFINET models are listed in the series, which helps when the network must integrate with Rockwell or Siemens controllers.
On the practical side, mounting is listed as din-rail mounting; wall mounting (with optional kit); the housing is metal; the stated MTBF is 1,339,439 hrs; the warranty period is 5 years. Treat the MTBF as a manufacturer prediction under its stated method, not a guarantee for your site.
Please check the fiber combination (multi-mode, single-mode or 3-fiber variants), the protocol-specific EIP/PN version if needed, and the approvals required before you place an order. Seven Star LLC supplies as an independent company and prices against the precise code requested.
Related models in the EDS-408A family
Other order codes listed alongside it (24 entries in total): EDS-408A, EDS-408A-1M2S-SC, EDS-408A-1M2S-SC-T, EDS-408A-2M1S-SC, EDS-408A-2M1S-SC-T, EDS-408A-3M-SC, EDS-408A-3M-SC-T, EDS-408A-3M-ST, EDS-408A-3M-ST-T, EDS-408A-3S-SC, EDS-408A-3S-SC-48, EDS-408A-3S-SC-48-T, EDS-408A-3S-SC-T, EDS-408A-EIP, EDS-408A-EIP-T, EDS-408A-MM-SC, EDS-408A-MM-SC-T, EDS-408A-MM-ST, EDS-408A-MM-ST-T, EDS-408A-PN, EDS-408A-PN-T, EDS-408A-SS-SC, EDS-408A-SS-SC-T, EDS-408A-T. Suffixes such as -T generally mark wide-temperature versions and fiber suffixes (M, S, MM, SS with SC or ST) mark the connector and fiber type, but the order code printed on the datasheet governs.
Installing and commissioning the switch
Mount the EDS-408A on DIN rail in the panel with space around the metal housing for air movement, and connect both power inputs from separate DC sources if the redundant dual inputs are to give real protection against a supply failure. Wire the relay alarm contact to a PLC input or an indicator so that a lost supply or a broken ring link is reported, rather than discovered later during troubleshooting. Use shielded industrial Ethernet cable where the copper runs pass near drives or switchgear.
Before connecting the ring, set the IP address, change the default login credentials, assign the ring master and coupling roles by DIP switch or software, and define VLANs and IGMP snooping where multicast traffic from EtherNet/IP devices is present. Then close the ring and test it by unplugging one ring cable while watching control traffic, confirming the alarm relay reacts. Save the configuration file and keep it with the panel documentation.
Operating conditions in Oman and the Gulf
The standard model is rated for an operating range of -10 to 60°C and an IP30 enclosure, so it needs a protective cabinet that keeps sand and dust away from the RJ45 ports and the ventilation openings. In outdoor kiosks at pumping stations, substations and pipeline sites, cabinet temperatures in summer can climb close to that upper limit; check the expected internal temperature, and compare with the -T wide-temperature codes listed above where the margin is small. Humid coastal sites call for non-condensing conditions inside the panel, which usually means sealing, heating or air conditioning.
Maintenance and network upkeep
Review the event log and SNMP alarms periodically, keep firmware at a version approved by your control system team, and back up the configuration after every change. During shutdowns, inspect RJ45 latches and cable strain relief, clean dust from the cabinet and check that both power inputs are still live.
Documents and quotation
The Moxa datasheet for this family (moxa-eds-408a-series-datasheet-v1.7) is attached to this page. Request a quotation with the exact order code, quantity and delivery location, and we will respond with availability.
More products in this range: Industrial Communications.
Datasheets & Documents
- Datasheet Moxa EDS-408A series datasheet v1.7 Download
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About brand
Since 1987 Moxa, based in New Taipei City, Taiwan, has built networking hardware for places where an office switch would fail: substations, wellhead panels, roadside cabinets. Seven Star LLC lists Moxa industrial Ethernet switches and fiber converters and supplies Moxa networking devices to system integrators and plant teams in Oman as an independent supplier. Each request is checked against the full Moxa model name before we quote.
Moxa switches and converters listed here
The EDS-G508E is a managed switch with eight Gigabit ports from the EDS managed line. The EDS-316-MM-SC-T is a 16-port unmanaged switch with 14 copper ports, two multi-mode SC fiber ports and the wide-temperature option (-40 to 75 C). The TCF-142-S-SC-T belongs to the TCF-142 series, which converts RS-232/422/485 serial signals to single-mode fiber. Moxa also makes serial device servers, protocol gateways, wireless devices and industrial computers, used on SCADA and telemetry networks across the GCC.
Ordering Moxa devices: what we need
The suffixes carry the specification. Send the complete model name, including fiber mode and connector (MM-SC, SS-SC, ST), the -T wide-temperature suffix and any coating or approval suffix. Add the power supply voltage, the SFP modules needed and the quantity.
Browse MOXA products by category: Industrial Communications.
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Frequently Asked Questions
What is the Moxa EDS-408A?
Moxa lists it as: Entry-level managed Ethernet switch with 8 10/100BaseT(X) ports, -10°C to 60°C operating temperature. The EDS-408A brings Turbo Ring, Turbo Chain, RSTP, VLAN, IGMP snooping and SNMP to an eight-port DIN-rail switch, with DIP-switch configuration of redundancy roles for installers who do not want a laptop on site.
What power supply does the EDS-408A need?
The Moxa specification gives an input voltage of 12/24/48 VDC; Redundant dual inputs. Check the terminal arrangement and, where relevant, the redundant-input wiring against your panel supply before ordering.
What operating temperature range applies to the EDS-408A?
The listed operating temperature is -10 to 60°C (14 to 140°F). Wide-temperature versions carry a -T suffix in Moxa's order codes where the series offers them, and they are separate order codes.
Does the EDS-408A need configuration?
It is a managed switch, so VLANs, redundancy and security are set through its web, console or SNMP interfaces.
Where is the EDS-408A datasheet and how do I ask for a quotation?
The official Moxa datasheet is attached to this page. Send Seven Star LLC the exact order code, quantity and delivery location for a quotation; we are an independent supplier in Muscat.
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