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E-link China Technology Co.,Ltd. Professional Fiber Optical Communication and CCTV Security Transmission Product Manufacturer
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Industrial Din-rail or wall mounting 4G + 2 SC Gigabit Ethernet Switch

Industrial Din-rail or wall mounting 4G + 2 SC Gigabit Ethernet Switch

Brand Name : E-link
Model Number : LNK-GY204G Series
Certification : RoHS, CE, FCC
Place of Origin : China, Shenzhen
MOQ : 1 pcs
Price : negotiation
Payment Terms : L/C, D/A, D/P, T/T, Western Union, MoneyGram,paypal
Supply Ability : 100000 pcs
Delivery Time : 7
Packaging Details : Standard Export package
Fiber Ports : 2 SC ports
Transmission : Twisted pair: 100m; fiber: Depending on SFP Module
Input Voltage : 24VDC(18~36V DC)
Operating Temperature : -40℃ to +80℃
Dimensions : 138 x 112 x 60 mm
Weight : 640g
House Protection : IP40 protection, Aluminium Alloy
Installation : DIN-Rail or wall mounting
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4G+2SC Gigabit Industrial Ethernet Switch

Model: LNK-GY204G Series


LNK-GY204G Series Hardened Industrial Ethernet Switch supports 4 x Gigabit Ethernet and 2 x SC Fiber Ports.
To create reliability in your network, the LNK-GY204G comes equipped with a proprietary redundant network protocol, which provides users with an easy way to establish a redundant Ethernet network with ultra high-speed recovery time less than 20ms.

Furthermore, LNK-GY204G also supports many advanced network standards to optimize network performance, ease maintenance issues, and secure network safety.


  1. All Gigabit Ethernet ports for 4 Copper and 2 SC
  2. SC Port can be SMF, MMF
  3. Support IEEE802.3, IEEE802.3x, IEEE802.3u Standard
  4. Support full-duplex and half-duplex and its auto-sensed
  5. Support auto-sense of MDI/MDI-X, facilitating system commissioning and installation
  6. -40℃ to 80℃ operating temperature range
  7. Designed for industrial applications. IP40 protection, Aluminum Alloy

Technical Indexes




IEEE802.3 (10BASE-T), IEEE802.3u 100BASE-TX/FX (Fast-Ethernet),
IEE802.3z 1000BASE-SX/LX(Gigabit-Ethernet), IEEE802.3x (Flow Control), IEEE802.1q, IEEE802.1p QoS, IEEE802.1d Spanning Tree

RJ45 port rate

4 x RJ45 Ports: 10/100/1000BaseT(X) auto connection, Full/Half duplex or force work mode, and support MDI/MDI-X connection

Fiber Ports

2 x SC ports


Twisted pair: 100m (Standard CAT5/CAT5e cable)
Fiber: Depending on SFP Module

Power Input options

Input Voltage: 24VDC(18~36V DC)
Opposite connection protection

Environmental Limits

Operating Temperature: -40℃ to +80℃
Storage Temperature: -45℃ to +85℃
Relative Humidity: 5% to 95% (non-condensing)

Mechanical Dimension

Dimensions:138 x 112 x 60 mm
House Protection: IP40 protection, Aluminium Alloy
Installation: DIN-Rail or wall mounting
Weight: 640g


EMI: FCC Part 15 Subpart B Class A,EN 55022 Class A
• 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,Level 3
Shock: IEC 60068-2-27
Free Fall: IEC 60068-2-32
Vibration: IEC 60068-2-6

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