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: 6
All 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: 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
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, TACACS+, Port Lock, RADIUS, SSH
Time Management: NTP Server/Client, SNTP, IEEE 1588v2 PTP (software-based)
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: EDS-508A Series: 0.22 A @ 24 VDC, EDS-508A-MM/SS Series: 0.30 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: Standard Models: -10 to 60°C (14 to 140°F), Wide Temp. Models: -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: EDS-508A models: 1,105,486 hrs, EDS-508A-MM/SS models: 1,043,909 hrs
Standards: Telcordia (Bellcore), GB
Warranty
Warranty Period: 5 years