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研華網管型交換機簡介：

EKI-7720E-4F/4FI supports 16 Fast Ethernet ports and 4 SFP (mini-GBIC) ports. It can provide users abundant ports to connect many devices. Besides, it is embedded with Advantech IXM function, this can benefit users for fast deployment and can dramatically save engineers time and costs. The EKI-7720E series also supports NMS to help IT managers with networking maintenance and failure prevention. Finally, the EKI-7720E series is equipped with X-Ring Pro which can achieve ultra high speed recovery time of less than 20 ms to ensure network stability. The switch also features a wide -40° to 75°C operating temperature(EKI-7720E-4FI) .

研華網管型交換機特點：

• 16 Fast Ethernet ports + 4 SFP ports
• SFP socket for Easy and Flexible Fiber Expansion
• Redundancy: X-Ring Pro (ultra high-speed recovery time < 20 ms), RSTP/STP (802.1w/1D)
• IXM function enables fast deployment
• Security: 802.1x (Port-Based, MD5/TLS/TTLS/PEAP Encryption), RADIUS
• Management: SNMP v1/v2c/v3, WEB, net, Standard MIB, Private MIB
• NEMA TS2 for Traffic Control
• EN50121-4 approval for Railway trackside deployment
• -40 ~ 75°C wide-range operating temperature (EKI-7720E-4FI)
• Dual 12~48 VDC power input and 1 relay output

規(guī)格：

Interface

• Ports Number

• 20

General

• Ethernet Connectors

• 16 x RJ-45 + 4 x SFP ports

I/O

• Transmission Speed

• 10/100Base-T(X) ; 10/100/1000Base-T(X)

Power Supply

• Power Input

• 12 ~ 48 VDC

Operating System

• Temperature (Operating)

• -10 ~ 60°C (14 ~ 140°F)

Communications

• Standard

• IEEE 802.1p, 802.3ad, 802.1x,802.1D, 802.1s, 802.1w

Port Configuration

• RJ45 Port Interface
• RJ45 Transmission Distance
• RJ45 w/ PoE Quantity
• Fiber Port Interface
• Fiber Port Connector
• Fiber Transmission Distance

• 16 x 10/100Base-T(X)

• 100 m

• -

• SFP

• 4 x SFP(mini-GBIC) ports

• Up to 110km

Switch Properties

• MAC Table Size
• Packet Buffer Size
• Switch Fabric Speed
• Jumbo Frame

• 8K

• 4.1M bit

• 11.2Gbps

• 9,216 bytes

Mechanism

• Dimensions (W x H x D)
• IP Grade
• Enclosure
• Weight
• Mounting

• 74 x 152 x 105 mm

• IP30

• Metal

• 1.1kg

• DIN-rail, Wall

Environment

• Operating Temperature
• Storage Temperature
• Relative Humidity (Non-condensing)

• -10 ~ 60°C (14 ~ 140°F)

• -40 ~ 85°C (-40 ~ 185°F)

• 10 ~ 95%

MTBF

• Time
• Method

• TBD

• cordia(Relax), GB

Power Requirements

• Operating Voltage
• Operating Current
• Power Consumption
• Connectors
• Reverse Polarity

• 12 ~ 48 VDC

• 0.25A @ 48Vdc (system)

• 12.1W (system)

• 6-pin removable screw terminal ((power & relay)

• Present

Certification

• EMI
• Safety
• EMC
• Shock
• Freefall
• Vibration

• CE, FCC Class A

• UL61010

• EN 61000-4-2 (Level 3), EN 61000-4-3 (Level 3), EN 61000-4-4 (Level 3), EN 61000-4-5 (Level 3), EN 61000-4-6 (Level 3), EN 61000-4-8 (Level 3)

• IEC 60068-2-27

• IEC 60068-2-32

• IEC 60068-2-6

Warranty

• Warranty Period

• 5 years