Product Details
Industrial 4 Ports 10/100M PoE(250M) Fast Ethernet PoE Switch
Model: LNK-GYT204 Series
Overview
LNK-GYT204 Series is un-managed industrial Ethernet switch provides
one uplink Ethernet port and one uplink optical port (100Mbps),four
100Mbps PoE Ethernet ports which supporting IEEE802.3af/at power supply standard. This product is designed for high definition IP camera network
access; which supports one key CCTV model, can achieve VLAN,
restrain the Netstorm, protect the information security and prevent
the virus spread and Ethernet attack; it also integrates optical
interface to achieve the perfect performance which blended with
fiber optical transceivers and network switches, to solve the
problem of long-distance transmission. The product could be used in
network security video surveillance, network project etc
Features
- Compliant with IEEE 802.3at PoE+(250M)
- One Key CCTV Mode
- One Key PoE Resr Design
- Innovative Dual Uplink Ports
- Power input: DC48V~57V;
- Non-grounding Lightning protection
- Support DC Supply & NI-MH Battery Supply
Application

Technical Indexes
Item | Description |
Downstream Ports | 4* 10/100Base-TX |
Uplink Ports | 1*100Mbps SFP Port and 1*10/100Base-TX |
Network Standard | IEEE802.3, IEEE802.3u, IEEE802.3X |
Switch Capacity | 1.5Gbps |
Throughput | 0.9Mpps |
Switch Processing Scheme | Store and Forward |
Memory Buffer | 512k |
MAC Table | 2K |
PoE Standard | IEEE802.3af/at |
PSE Type | End-span |
Power Pin Assignment | 1/2(+),3/6(-) |
PoE Power Output | 44~57V DC , 30 watts max |
PoE Budge | 60 watts max |
Lightning protection | 6KV Execute:IEC61000-4-5 |
ESD | 6KV Contact discharge 8KV Air discharge Execute:IEC61000-4-2 |
Power Supply | DC 48~57V |
Power Dissipation | <5W |
Work temperature | -40℃~75℃ |
Storage temperature | -40℃~85℃ |
Humidity(Non-condensin) | 5%-95% |
Dimension(L×W×H) | 159mm×110mm×46mm |
Weight | 530g |
Regulator | CE, FCC, RoHS |
Power/Distance 54V | Distance | 100m | 150m | 200m | 250m |
Power | 26W | 24W | 23W | 21W |
Company Profile
E-link China Technology Co., Ltd.
Established in 2001& headquartered in Shenzhen, E-link China
Technology Co., Ltd. (E-link) is a leading Fiber Optic
Communication and CCTV Security Transmission product manufacturer
in China. Our main products include active equipments including
fiber media converters, CCTV fiber converters, CCTV over Ethernet
Converters (HD-SDI over Ethernet, HDMI over Ethernet, Power over
Ethernet), etc. With rich experience in providing high quality
products in telecom and CCTV business, E-link has a large
manufacturing base in Shenzhen, able to deliver cost-effective
solutions to serve our customers successfully.
E-Link Quality:
• ISO9001 Quality System
• Full-Spectrum environment and electrical testing of all product
design
• 48 hours aging test before delivery
• Qualified CE, RoHS, FCC
Since the launch of our products on the domestic market and
international market, we have won a good reputation for our high
quality products and sincere services. Our products are widely
applied to network systems of Telecom, Radio and Television, Public
Security, Bank ,ect. To be in line with different needs of
different customers, we have people to trace the latest market
information so as to keep our products competitive and vital.
Our knowledgeable sales, technical support and engineering staff
are dedicated to understanding your requirements and designing
products & solutions to meet your needs. We shall be pleased to
provide you fiber optical network products with our best price,
superior quality and fast delivery.