4 Port PoE RJ45 Connector Magjack 10/100Base-T Bob Smith Termination

1*4 RJ45 Connector With 10/100 Base-TX Integrated Magnetic For PoE Application

Quick Details of 100Base T RJ45 Magjack PoE:

• Connector Type: RJ45 Multiple Port Connectors
• Modular Jack & Plug Interface Type: RJ45
• Connector & Contact Terminates To: Printed Circuit Board
• Latch Orientation: Standard - Latch-Up
• Multiple Port Configuration: Ganged
• Port Matrix Configuration: 1x4
• Connector Contact Density: Standard
• PCB Mount Orientation: Right Angle
• EMI Tabs: With
• Status Indicator Type: LED
• Right LED Color: Yellow
• Left LED Color: Green
• Housing Material: Thermoplastic PA66+30%G.F UL94V-0
• Contact Material: Phosphor Bronze C5210R-EH Thickness=0.35mm
• Pins: Brass C2680R-H Thickness=0.35mm
• Shield: SUS S201-1/2H Thickness=0.2mm
• Contact plating: Gold 6 micro-inches min. In contact area.

Electrical Specifications @25°C :

What are Bob Smith terminals?

Bob Smith terminals, also known as Bob Smith terminal networks, are a technology used in Ethernet ports. This technology improves the performance of Ethernet interfaces by using resistors and capacitors to provide common-mode impedance matching. This helps reduce electromagnetic interference (EMI) and improves signal integrity. The "Bob Smith" technique uses a 75 Ohm resistor for a common mode impedance match at each signal pair, collectively connected via a 1000pF capacitor to the chassis ground. The resistors are typically placed in series with each differential signal line, and the capacitor is used for common-mode noise filtering. The purpose of this termination technique is to match the common-mode impedance of the transmission line, which helps minimize reflections and maintain signal integrity.

Applications of RJ45 Ethernet MagJack:

1. Industrial Ethernet switches: used in industrial environments to facilitate reliable, high-speed 10/100Base-T data communications.
2. Fast Ethernet switch: Supports efficient data transmission with Fast Ethernet technology.
3. Layer 4 switch: used for data processing at the transport layer of the OSI model.
4. LAN Switch (Local Area Network Switch): Efficient data exchange between local network communication devices.
5. WAN switch (wide area network switch): used to control data traffic between wide area networks in different locations.
6. ATM switch (asynchronous transfer mode switch): transmits data in compliance with the ATM network protocol.
7. FDDI switch (Fiber Distributed Data Interface): used in network switches that utilize fiber optic technology to transmit data.
8. Token Ring Switches: Supports token ring network topology, providing a deterministic method for data access in the network.
9. Security Gateway: Acts as a security gateway for data traffic protecting the network.
10 Multimedia gateway: realizes the integration of multimedia services in the network and supports the transmission of various types of data.

4 Port RJ45 Connector Datasheet:

LPJ48153AENL.pdf

LINK-PP is a professional designer and Manufacturer of magnetic telecom and networking components. Founded in Shenzhen in 1997 and began to develop Discrete Transformer. With over 26 years of experience in innovation and technology leadership. Our main products include RJ45 Connectors, LAN Transformers, and SFP Modules. We focus on improving product reliability and durability.

Main Production Lines

◆ 10/100/1000/10GBase-T LAN Isolation Transformer and Filter

◆ Rj45 Modular Jack With Integrated 10/100/1000/10G Magnetics
◆ Magnetic Rj45 Jack with POE/ POE+; IEEE823.3af/ IEEE802.3at
◆ LAN Transformer With POE/ POE+; IEEE823.3af/ IEEE802.3at
◆ T1/E1,T3/DS3/E3/STS-1 Interface LAN transformer
◆ ISDN,HDSL,ADSL and VDSL Transformer and splitter

◆ Optical Transceivers