The EDS-205A-M-SC from MOXA is a highly robust and efficient unmanaged Ethernet switch designed for diverse industrial applications. This model is part of the EDS-205A Series, recognized for its dependability and performance in challenging environments.

Key Features:

Ethernet Interface: The switch includes four 10/100BaseT(X) ports with RJ45 connectors, featuring auto negotiation speed, full/half duplex mode, and auto MDI/MDI-X connections. Additionally, it has one 100BaseFX multi-mode port with an SC connector, ensuring wide compatibility and high-speed network communications.
Robust Performance: Built to operate reliably in a temperature range of -10 to 60°C, this switch is suitable for various industrial conditions. It is equipped with a redundant dual input power system (12/24/48 VDC), which enhances its operational reliability.
Industrial Durability: The switch’s aluminum housing and an IP30 rating ensure protection against physical and environmental challenges. It is also designed to meet critical standards and certifications like FCC, UL, CE, and more, making it suitable for maritime, railway, and hazardous locations.
Advanced Network Management: Features such as broadcast storm protection are configurable via DIP switches, providing flexibility and control over traffic within industrial networks.

Benefits:

Enhanced Network Stability: Reliable under extensive operational conditions, reducing downtime and maintenance costs.
Versatility: Easy installation and compatibility with various industrial environments due to its comprehensive certification and robust design.
Long-term Reliability: With a mean time between failures (MTBF) of over 3 million hours, this switch promises longevity and enduring performance in industrial settings.

Applications:

Transportation Systems: Ideal for deployment in intelligent transportation systems and railway applications, adhering to standards like NEMA TS2 and EN 50121-4.
Industrial Automation: Suitable for automation systems where stability and uninterrupted service are crucial.
Hazardous Locations: Certified for Class I Division 2 and ATEX Zone 2 environments, ensuring safety and reliability where explosive gases or dust may be present.

This EDS-205A-M-SC product is a testament to MOXA’s commitment to delivering high-quality and resilient networking solutions for industrial applications.

Specification

Ethernet Interface	10/100BaseT(X) Ports (RJ45 connector)	4 Auto negotiation speed Full/Half duplex mode Auto MDI/MDI-X connection
	100BaseFX Ports (multi-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	1 K
	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 hrs
MTBF	Standards	Telcordia (Bellcore), GB
Warranty	Warranty Period	5 years
Warranty	Details	See www.moxa.com/warranty

Optical Fiber

		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).