Product Details
Managed SFP Fiber PoE Ethernet Switch 48 Port Gigabit RJ45 To 4
Port 10G
Managed 48-Port Gigabit RJ45 To 4-Port 10G SFP Fiber PoE Network
Switch
PoE Switch Advantages
► 48x 10/100/1000M RJ45 (PoE1-48) + 4x 10G SFP+
► L2+ features provide better manageability, security, QoS, and
performance
► Support enhanced management through WEB, CLI, TELNET, SNMP
► Support cable diagnosis
Power Over Ethernet Switch Technical Indexes
Ports | 48x 10/100/1000M RJ45 ports |
4x 10G SFP+ |
Management port | 1x Console port |
Reset key | 1x Reset key, for restore default settings |
Switch throughout | 131Mpps @ 64byts |
Operating temperature | -20~+50°C |
Input voltage | AC: 110~240V/50~60Hz |
MAC | 32K |
supports automatic updates, two-way learning; |
VLAN | Support up to 4K VLAN; |
Support port-based VLAN; |
Support 802.1Q tag-based VLAN; |
cable diagnosis | Support cable diagnosis, Cable quality (differential pair impedance
85ohm ~ 125ohm), cable length, a short-circuit line |
Network Management | Support WEB management ; |
Support CLI management ; |
48-Port 10/100/1000M PoE Switch Overview
► High-performance of both hardware and software
► Support the fast ring network protocol, free configuration
► Strong network security
► Convenient management and maintenance
Managed Ring Network Switch Ordering Information
Model | Description |
LNK-4048GP | 48-port 10G Managed Ring PoE Switch, 48x 10/100/1000M RJ45 (PoE) +
4x 10G SFP+, Port 1-48 supports PoE, compliant with both IEEE
802.3af/at standard. PoE port power: 15.4W/25.5W, can be set by
management system. Total input power is 650W. Default power supply
pin type is end-span(1/2+, 3/6-), mid-span(4/5+, 7/8- ) is optiona |
Company Profile
Established in 2001 & headquartered in Shenzhen, E-link China
Technology Co., Ltd. (E-link) is a leading manufacturer of fiber optic communication and video transmission products in China.
Our main products include:

- Fiber Media Converters
- Industrial Ethernet PoE switchs
- PoE Injectors & Splitters
- PoE Extenders
- Serial Fiber Converters
- SFP Transceivers
- HDMI Fiber Converters
- DVI Fiber Converters
- HD/3G/6G/12G Fiber Extenders
- CCTV Fiber Optic Converters
- HDMI/ DVI/ VGA/ SDI Ethernet Extenders
(Industrial PoE Actual Display)
With rich experience in providing high quality products in the
telecom and CCTV business, E-link has a large manufacturing factory
in Shenzhen, able to provide cost-effective solutions
to serve our customers successfully.
(Automatic Mechanical Equipment)
Since the launch of our products in domestic and international
markets, we have won a good reputation for our high-quality
products and sincere services. Our products are widely applied to
- System of Telecom
- Public Security
- Bank
- Smart City
- Public transportation
- New Energy Developing
- CCTV Monitoring Transmission
We also provide ODM & OEM services and we have cooperated with some famous companies all
over the world. Our own brand "E-link" is also well known in many countries and have distributors there.
(Customer visit)
E-Link quality:
- ISO9001 Quality System
- CE, RoHS, FCC certified
- 48 hours of weathering test before delivery
- Conduct full-spectrum environmental and electrical testing on all
product designs

Our knowledgeable sales, technical support and engineering
personnel are dedicated to understanding your needs and designing
products and solutions to meet your needs. We would be happy to
provide you with the best price, quality products and fast
delivery.