E-link China Technology Co., Ltd.

E-link China Technology Co.,Ltd.
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Home ProductsIndustrial Ethernet POE Switch

4 Port Industrial Gigabit Ethernet POE Switch Managed Hardened 4M Buffer Memory

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4 Port Industrial Gigabit Ethernet POE Switch Managed Hardened 4M Buffer Memory

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Large Image :  4 Port Industrial Gigabit Ethernet POE Switch Managed Hardened 4M Buffer Memory

Product Details:
Place of Origin: Shenzhen, China
Brand Name: E-link China
Certification: CE, RoHS, FCC
Model Number: LNK-GYM204GP-SFP
Payment & Shipping Terms:
Minimum Order Quantity: 1 pair
Price: Negotiation
Packaging Details: 1 pair in 1 carton box
Delivery Time: 3-5 working days
Payment Terms: T/T, Western Union, MoneyGram, Paypal
Supply Ability: 1000000000pairs/Month
Detailed Product Description
Bandwidth: 10Gbps MAC Address Table: 2K
Forwarding Mode: Store-and-Forward Buffer Memory: 4M
LED Display: SYS, POE, LINK, L/A Dimension: 165 X 148 X 54mm (WxDxH)
High Light:

industrial grade network switch


industrial grade ethernet switch

Managed Hardened 4-port 10/100/1000BASE-T + 2-port 1000BASE SFP Ethernet Switch

Model: LNK-GYM204GP-SFP Series



LNK-GYM204GP-SFP (4G + 2SFP) is L2+ 4-Port 10/100/1000T 802.3at PoE + 1-Port 10/100/1000T Console + 2-Port 1000X SFP Managed Switch. This L2+ managed POE+ switch, provides a reliable infrastructure for your business network. It delivers more intelligent features you need to improve the availability of your critical business applications, protects your sensitive information, and optimizes your network bandwidth to deliver information and applications more effectively. It provides the ideal combination of affordability and capabilities for entry level networking of industrial, small business or enterprise application which demands industrial, surveillance, IP Phone, IP Camera or Wireless applications, thus helps you create a more efficient workforce.

In short, it provides security, performance, quality of services, central managed and other network control capabilities. Optimized and customized design and affordable pricing, it best fit for SMB or entry-level enterprise solution. It passed the rigorously testing to deliver excellent performance. As a managed switching solution, it also provides the flexibility to manage and prioritizes suitable-bandwidth traffic such as voice. In addition, it has advance security and gives you tight control to safeguard the network from unauthorized users.



  • Support Port Aggregation, Port Rate Limitation, Broadcast Storm Restraint.
  • 4x Gigabit Auto-sensing RJ45 Ports, 2x Gigabit SFP Optical Ports.
  • Support FTP/TFTP Upgrade Method, System Logs, File download & upload.
  • Compatible with IEEE802.3af/at
  • Support multi group SHR & Tangent Ring
  • MAC Address Table: 8K
  • Plug and play MR Ring (Self-healing time < 50 ms)
  • LED Indicators for optical port, RJ45 port, power supply & warning etc.
  • With high performance management system

Technical Indexes


Product Name L2+ 4-Port 10/100/1000T 802.3at PoE + 1-Port 10/100/1000T Console + 2-Port 1000X SFP Managed Switch
Product Model LNK-GYM204GP-SFP
Connector Type 4x 10/100/1000Base-T ports + 2x Gigabit SFP slots + 1 Console port
Network Media

10BASE-T: Cat3/ 4/ 5 UTP (≤100m)

100BASE-TX: Cat5 or more UTP (≤100m)

1000BASE-TX: Cat5 or more UTP (≤100m)

Bandwidth 10Gbps
MAC Address Table 2K
MTBF 190,000 hours (about 21 years)
Forwarding Mode Store-and-Forward
Buffer Memory 4M
Network Protocol IEEE 802.3i 10BASET IEEE 802.3u 100BASETX IEEE 802.3x Flow Control
PoE Ports 4 ports support PoE
PoE Port Power Max power output is 30W per PoE port
PoE Standard Both IEEE 802.3af / IEEE 802.3at
Dimension 165 x 148 x 54mm (WxDxH)
Transmission Distance Depending on SFP
QoS Yes
Working Environment

Operating Temperature: -40°C ~ +85°C;

Storage Temperature: -40°C ~ +85°C;

Relative Humidity: 5 ~ 95%, non-condensing

Industrial Standard

EMI: FCC Part 15 Subpart B Class A, EN 55022 Class A;

EMS: EN 61000-4-2 (ESD) Level 3, EN 61000-4-3 (RS) Level 3,
EN 61000-4-4 (EFT) Level 3, EN 61000-4-5 (Surge) Level 3,
EN 61000-4-6 (CS) Level 3, EN 61000-4-8;

Traffic Control: NEMA-TS2;

Rail Traffic: EN 50121-4;

Shock: IEC 60068-2-27;

Freefall: IEC 60068-2-32;

Vibration: IEC 60068-2-6

Warranty 5 years warranty


Contact Details
E-link China Technology Co., Ltd.

Contact Person: Mike

Tel: +8613686469576

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