Turbo Ring and Turbo Chain (recovery time < 20 ms @ 250 switches), and STP/RSTP/MSTP for network redundancyTACACS+, 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 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)	EDS-508A Series: 8 EDS-508A-MM/SS Series: 6All models support:Auto negotiation speed Full/Half duplex mode Auto MDI/MDI-X connection
100BaseFX Ports (multi-mode SC connector)	EDS-508A-MM-SC Series: 2
100BaseFX Ports (multi-mode ST connector)	EDS-508A-MM-ST Series: 2
100BaseFX Ports (single-mode SC connector)	EDS-508A-SS-SC Series: 2
100BaseFX Ports, Single-Mode SC Connector, 80 km	EDS-508A-SS-SC-80 Series: 2
Standards	IEEE802.3for10BaseTIEEE 802.3u for 100BaseT(X) and 100BaseFXIEEE 802.1X for authentication IEEE 802.1D-2004 for Spanning Tree Protocol IEEE 802.1wfor 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 Trunkwith LACP

Switch Properties

IGMP Groups	256
MAC Table Size	8K
Max. No. ofVLANs	64
Packet Buffer Size	1 Mbits
Priority Queues	4
VLAN ID Range	VID1 to4094

Power Parameters

Connection	2 removable 6-contact terminal block(s)
Input Voltage	12/24/48 VDC, Redundantdual inputs
Operating Voltage	9.6 to 60 VDC
Input Current	EDS-508A Series: 0.22 A@24 VDCEDS-508A-MM/SS Series: 0.30A@24VDC
Overload Current Protection	Supported
Reverse Polarity Protection	Supported

Physical Characteristics

Housing	Metal
IP Rating	IP30
Dimensions	80.2 x135x105 mm (3.16 x 5.31 x 4.13 in)
Weight	1040g(2.3lb)
Installation	DIN-rail mounting, Wall mounting (with optional kit)

Environmental Limits

Operating Temperature	Standard Models: -10 to 60°C (14to 140°F) Wide Temp. Models: -40 to 75°C (-40 to 167°F)
Storage Temperature (package included)	-40 to 85°C (-40 to185°F)
Ambient Relative Humidity	5 to 95% (non-condensing)

MOXA EDS-508A-MM-SC Available Models

Model 1	MOXA EDS-508A
Model 2	MOXA EDS-508A-MM-SC
Model 3	MOXA EDS-508A-MM-ST
Model 4	MOXA EDS-508A-SS-SC
Model 5	MOXA EDS-508A-SS-SC-80
Model 6	MOXA EDS-508A-MM-SC-T
Model 7	MOXA EDS-508A-MM-ST-T
Model 8	MOXA EDS-508A-SS-SC-80-T
Model 9	MOXA EDS-508A-SS-SC-T
Model 10	MOXA EDS-508A-T