M2PP-14R-R
AI

The **M2PP-14R-R** is a specific part number typically associated with **RJ45 Integrated Connector Modules (ICM)**, often manufactured by companies like **Link-PP** or compatible vendors. These components are essential in networking hardware, combining a standard RJ45 jack with the internal magnetic components required for Ethernet communication.
### 1. Component Overview
The M2PP-14R-R is a **1x1 Tab-Down RJ45 Connector** with integrated 10/100 Base-TX magnetics. It is designed to interface between the Ethernet Physical Layer (PHY) chip and the network cable.
| Feature | Specification |
| :--- | :--- |
| **Port Configuration** | 1x1 (Single Port) |
| **Speed** | 10/100 Base-TX |
| **Orientation** | Right Angle (Horizontal) |
| **Tab Direction** | Tab-Down |
| **LED Configuration** | Usually Green/Yellow (Specific to sub-model) |
| **Shielding** | EMI Finger Shielded |
---
### 2. Internal Electronic Parts
Inside the metal housing of the M2PP-14R-R, several discrete electronic components are integrated:
* **Isolation Transformers:** Provides 1500Vrms isolation between the input and output to protect the circuitry from voltage surges and ground loops.
* **Common Mode Chokes:** Filters out electromagnetic interference (EMI) and noise from the differential signals.
* **Termination Resistors (Bob Smith Termination):** Usually 75-ohm resistors used to reduce common-mode noise and match impedance.
* **High-Voltage Capacitors:** Typically 1000pF/2kV capacitors used for decoupling and EMI suppression.
---
### 3. Pinout and Connectivity
The part generally follows a standard layout for 10/100 Ethernet:
| Pin Number | Function | Description |
| :--- | :--- | :--- |
| 1 | TX+ | Transmit Data Positive |
| 2 | TX- | Transmit Data Negative |
| 3 | RX+ | Receive Data Positive |
| 4 | Termination | Connected to Bob Smith circuit |
| 5 | Termination | Connected to Bob Smith circuit |
| 6 | RX- | Receive Data Negative |
| 7 | Termination | Connected to Bob Smith circuit |
| 8 | Termination | Connected to Bob Smith circuit |
---
### 4. Technical Drawing Reference (General)
```markdown
[ RJ45 Opening ]
_____________________
| _ _ _ _ _ _ |
| |1|2|3|4|5|6|7|8| | <-- Gold Plated Pins
|_____________________|
| |
[LED L] [LED R]
```
---
### 5. Application Areas
* **Network Interface Cards (NICs):** Desktop and server motherboards.
* **Industrial PC (IPC):** Ruggedized computing environments.
* **Embedded Systems:** Microcontroller boards (ESP32, STM32) requiring Ethernet.
* **Switches/Routers:** Consumer-grade networking equipment.
- ⤷
What is the significance of 'Tab-Down' vs 'Tab-Up' in RJ45 connectors?
- ⤷ How does the Bob Smith termination inside this part help with signal integrity?
- ⤷ Can this 10/100 Base-TX part be used for Gigabit Ethernet applications?