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The EDS-518A is a standalone 18-port managed Ethernet switch that
provides 2 combo Gigabit ports with built-in RJ45 or SFP slots for
Gigabit fiber optic communication. The Ethernet redundant Turbo
switchesRing and Turbo Chain (recovery time < 20 ms) increases the
reliability and speed of your network backbone. The EDS-518A also
supports advanced management and security features.
| Technology |
| Standards |
IEEE 802.3 for 10BaseT
IEEE 802.3u for 100BaseT(X) and 100BaseFX
IEEE 802.3ab for 1000BaseT(X)
IEEE 802.3z for 1000BaseX
IEEE 802.3x for Flow Control
IEEE 802.1D-2004 for Spanning Tree Protocol
IEEE 802.1w for Rapid STP
IEEE 802.1s for Multiple Spanning Tree Protocol
IEEE 802.1Q for VLAN Tagging
IEEE 802.1p for Class of Service
IEEE 802.1X for Authentication
IEEE 802.3ad for Port Trunk with LACP |
| Protocols |
IGMPv1/v2,
GMRP, GVRP, SNMPv1/v2c/v3, DHCP Server/Client, BootP, TFTP, SNTP, SMTP,
RARP, RMON, HTTP, HTTPS, Telnet, Syslog, DHCP Option 66/67/82, SSH,
SNMP Inform, EtherNet/IP, Modbus/TCP, LLDP, IEEE 1588 PTP V2, IPv6, NTP
Server/Client |
| MIB |
MIB-II, Ethernet-Like MIB, P-BRIDGE MIB, Q-BRIDGE MIB, Bridge MIB, RSTP MIB, RMON MIB Group 1, 2, 3, 9 |
| Flow Control |
IEEE 802.3x flow control, back pressure flow control |
| • Switch Properties |
| Priority Queues |
4 |
| Max. Number of Available VLANs |
64 |
| VLAN ID Range |
VID 1 to 4094 |
| IGMP Groups |
256 |
| MAC Table Size |
8 K |
| Packet Buffer Size |
2 Mbit |
| • Interface |
| Fiber Ports |
100BaseFX (SC/ST connector) and 1000BaseSFP slot |
| RJ45 Ports |
10/100BaseT(X) or 10/100/1000BaseT(X) auto negotiation speed |
| Console Port |
RS-232 (RJ45 connector) |
| LED Indicators |
PWR1, PWR2, FAULT, 10/100M (TP port), 100M (fiber port), MSTR/HEAD, CPLR/TAIL |
| Alarm Contact |
2 relay outputs with current carrying capacity of 1 A @ 24 VDC |
| Digital Inputs |
2 inputs with the same ground, but electrically isolated from the electronics.
• +13 to +30V for state “1”
• -30 to +3V for state “0”
• Max. input current: 8 mA |
| • Optical Fiber |
 |
| • Power Requirements |
| Input Voltage |
24 VDC (12 to 45 VDC), redundant dual inputs |
| Input Current |
EDS-518A: 0.51 A @ 24 V
EDS-518A-MM/SS: 0.61 A @ 24 V |
| Overload Current Protection |
Present |
| Connection |
2 removable 6-contact terminal blocks |
| Reverse Polarity Protection |
Present |
| • Physical Characteristics |
| Housing |
Metal, IP30 protection |
| Dimensions |
94 x 135 x 142.7 mm (3.7 x 5.31 x 5.62 in) |
| Weight |
1630 g |
| Installation |
DIN-Rail mounting, wall mounting (with optional kit) |
| • Environmental Limits |
| Operating Temperature |
Standard Models: 0 to 60°C (32 to 140°F)
Wide Temp. Models: -40 to 75°C (-40 to 167°F) |
| Storage Temperature |
-40 to 85°C (-40 to 185°F) |
| Ambient Relative Humidity |
5 to 95% (non-condensing) |
| • Standards and Certifications |
| Safety |
UL 508, UL 60950-1, CSA C22.2 No. 60950-1, EN 60950-1 |
| Hazardous Location |
UL/cUL Class I Division 2 Groups A/B/C/D, ATEX Zone 2 Ex nC IIC |
| EMI |
FCC Part 15 Subpart B Class A, EN 55022 Class A |
| EMS |
EN 61000-4-2 (ESD) Level 2, EN 61000-4-3 (RS) Level 3,
EN 61000-4-4 (EFT) Level 2, EN 61000-4-5 (Surge) Level 3,
EN 61000-4-6 (CS) Level 3, EN 61000-4-8, EN 61000-4-12 |
| Marine |
DNV, GL |
| Shock |
IEC 60068-2-27 |
| Freefall |
IEC 60068-2-32 |
| Vibration |
IEC 60068-2-6 |
| Note |
Please check Moxa’s website for the most up-to-date certification status. |
| • MTBF (mean time between failures) |
| Time |
240,000 hrs |
| Database |
Telcordia (Bellcore), GB |
| • Warranty |
| Warranty Period |
5 years |
Dimensions (unit=mm) 
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Features
- IPv6 Ready logo awarded (IPv6 Logo Committee certified)
- Command Line Interface (CLI) for quickly configuring major managed functions
- IEEE 1588 PTP V2 (Precision Time Protocol) for precise time
synchronization of networks - DHCP Option 82 for IP address assignment with different policies
- Support EtherNet/IP and Modbus/TCP protocols for device management and monitoring
- Compatible with EtherNet/IP and PROFINET protocols for transparent data transmission
- Turbo Ring and Turbo Chain (recovery time < 20 ms), RSTP/STP, and MSTP for network redundancy
- IGMP snooping and GMRP for filtering multicast traffic
- Port-based VLAN, IEEE 802.1Q VLAN, and GVRP to ease network planning
- QoS (IEEE 802.1p/1Q) and TOS/DiffServ to increase determinism
- Port Trunking for optimum bandwidth utilization
- RMON for efficient network monitoring and proactive capability
- SNMPv1/v2c/v3 for different levels of network management
- TACACS+, SNMPv3, IEEE 802.1X, HTTPS, and SSH to enhance network security
- Bandwidth management to prevent unpredictable network status
- Lock port function for blocking unauthorized access based on MAC address
- Automatic warning by exception through e-mail, relay output
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