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研華網(wǎng)管型智能交換機簡介：

    EKI-7720G-4F/4FI supports 16 Gigabit Ethernet ports and 4 SFP (mini-GBIC) ports. It can provide users abundant ports to connect many devices. Besides, it is embedded with Advan-tech IXM function, this can benefit users for fast deployment and can dramatically save engineers time and costs. The EKI-7720G series also supports NMS to help IT managers with networking maintenance and failure prevention. Finally, the EKI-7720G 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-7720G-4FI).

研華網(wǎng)管型智能交換機特點：

• 16 Gigabit 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-7720G-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

• 10/100/1000Base-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 10/100/1000Base-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

• 40Gbps

• 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