Manufacturer Part Number: MOXA EDS-205A-S-SC
OEM Spec Ref 
The MOXA EDS-205A-S-SC is a robust unmanaged Ethernet switch designed to ensure reliable network performance in harsh industrial environments. This device is equipped with four 10/100BaseT(X) ports and one 100BaseFX single-mode port, making it ideal for a variety of industrial applications.
Key Features:
Benefits:
Applications:
This EDS-205A-S-SC switch exemplifies MOXA’s commitment to delivering high-quality networking solutions that enhance the reliability and security of industrial communications systems.
| Ethernet Interface | 10/100BaseT(X) Ports (RJ45 connector) | 4 Auto negotiation speed Full/Half duplex mode Auto MDI/MDI-X connection | 
| 100BaseFX Ports (single-mode SC connector) | 1 | |
| Standards | IEEE 802.3 for 10BaseT IEEE 802.3u for 100BaseT(X) and 100BaseFX IEEE 802.3x for flow control | |
| Optical Fiber | Refer table 2 | |
| Switch Properties | MAC Table Size | 1K | 
| Packet Buffer Size | 384 kbits | |
| Processing Type | Store and Forward | |
| Power Parameters | Connection | 1 removable 4-contact terminal block | 
| Input Current | 0.1 A @ 24 VDC | |
| Input Voltage | 12/24/48 VDC Redundant dual inputs | |
| Operating Voltage | 9.6 to 60 VDC | |
| Overload Current Protection | Supported | |
| Reverse Polarity Protection | Supported | |
| DIP Switch Configuration | Ethernet Interface | Broadcast storm protection | 
| Physical Characteristics | Housing | Aluminum | 
| IP Rating | IP30 | |
| Dimensions | 30 x 115 x 70 mm (1.18 x 4.52 x 2.76 in) | |
| Weight | 175 g (0.39 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 | EMC | EN 55032/24 | 
| 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: 10 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 | IECEx ATEX Class I Division 2 | |
| Maritime | ABS LR NK DNV | |
| Railway | EN 50121-4 | |
| Safety | UL 508 | |
| Shock | IEC 60068-2-27 | |
| Traffic Control | NEMA TS2 | |
| Vibration | IEC 60068-2-6 | |
| Freefall | IEC 60068-2-31 | |
| MTBF | Time | 3,045,679 hours | 
| Standards | Telcordia (Bellcore), GB | |
| Warranty | Warranty Period | 5 years | 
| Details | See www.moxa.com/warranty | 
| 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).
| Weight | 0.175 kg | 
|---|---|
| Dimensions | 3 × 11.5 × 7 cm |