Features and Benefits

• Turbo Ring (recovery time < 20 ms at full load) and RSTP/STP (IEEE 802.1w/D)
• 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 security
  
• IEEE 802.1X , HTTPS, and SSH to enhance network security
  
• Bandwidth management prevents unpredictable network status
  
• Lock port function for blocking unauthorized access based on MAC address
  
• Port mirroring for online debugging
  
• Automatic warning by exception through e-mail and relay output
  
• Digital inputs to integrate sensors and alarms with IP networks

•  Technology:
Standards	IEEE 802.3 for 10BaseT, IEEE 802.3u for 100BaseT(X) and 100Base FX, IEEE 802.3x for Flow Control, IEEE 802.1D for Spanning Tree Protocol, IEEE 802.1w for Rapid STP, 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 device, GVRP, SNMPv1/v2c/v3, DHCP Server/Client, DHCP Option 82, BootP, TFTP, SNTP, SMTP, RARP, GMRP, LACP, RMON, HTTP, HTTPS, Telnet, SSH, Syslog
MIB	MIB-II, Ethernet-Like MIB, P-BRIDGE MIB, Q-BRIDGE MIB, Bridge MIB, RSTP MIB, RMON Group 1, 2, 3, 9
Flow Control	IEEE 802.3x flow control, back pressure flow control
•  Switch Properties:
Priority Queues	4
IGMP Groups	256
Max. Number of Available VLANs	64
VLAN ID Range	VID 1 to 4094
•  Interface:
RJ45 Ports	10/100BaseT(X) auto negotiation speed, F/H duplex mode, and auto MDI/MDI-X connection
Fiber Port(s)	100BaseFX ports (SC/ST connector)
Console	RS-232 (RJ45)
LED Indicators	PWR1, PWR2, FAULT, MASTER, COUPLER, 10/100M
DIP Switches	Turbo Ring, Master, Coupler, Reserve
Alarm Contact	Two relay outputs with current carrying capacity of 1A @ 24 VDC
Digital Inputs	Two 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	(@24V):0.26A/0.24A (EDS-508A/505A), 0.36A/0.35A (EDS-508A/505A-MM, EDS-508A/505A-SS)
Overload Current Protection	Present
Connection	Two removable 6-pin terminal blocks
Reverse Polarity Protection	Present
•  Physical Characteristics:
Enclosure	IP30 protection
Housing	Metal case
Dimensions	80.2 x 135 x 105 mm (3.17 x 5.31 x 4.13 in)
Installation	DIN-Rail Mounting, Wall Mounting (optional kit)
•  Environmental Limits:
Operating Temperature	0 to 60°C (32 to 140°F) -40 to 75°C (-40 to 167°F) for T models
Storage Temperature	-40 to 85°C (-40 to 185°F)
Ambient Relative Humidity	5 to 95% (non-condensing)
•  Agency Approvals:
EMI	FCC Part 15, CISPR (EN55022) class A
EMS	EN61000-4-2 (ESD), level 3 EN61000-4-3 (RS), level 3 EN61000-4-4 (EFT), level 3 EN61000-4-5 (Surge), level 3 EN61000-4-6 (CS), level 3 EN61000-4-8 EN61000-4-11
Safety	UL508, UL60950-1, CSA C22.2 No. 60950-1, EN60950-1
Hazardous Location	UL/cUL Class I, Division 2, Groups A, B, C, and D ; ATEX Class I, Zone 2, Ex nC IIC (Pending)
Shock	IEC60068-2-27
Freefall	IEC60068-2-32
Vibration	IEC60068-2-6
MTBF (meantime between failures)	EDS-508A series: 339,000 hrs EDS-505A series: 352,000 hrs Database: Telcordia (Bellcore), GB
Maritime	DNV, GL
•  Warranty:
Warranty Period	5 years