1. Introduction
The Posunitech MSR100 is a compact and efficient USB magnetic stripe card reader designed for various applications including Point of Sale (POS), access control, and ID verification. This manual provides detailed instructions for setting up, operating, and maintaining your MSR100 card reader.

Image 1.1: The Posunitech MSR100 magnetic stripe card reader with its integrated USB cable.
2. Package Contents
- 1 x Posunitech MSR100 Magnetic Stripe Card Reader
- 1 x USB Cable (integrated)

Image 2.1: The MSR100 card reader and its packaging box.
3. Setup and Installation
The MSR100 card reader is designed for plug-and-play operation, requiring no additional software or power supply for basic functionality.
- Connect the USB Cable: Locate an available USB port on your computer (desktop or laptop).
- Plug In the Reader: Insert the USB connector of the MSR100 into the USB port.
- System Recognition: Your operating system (Windows or Mac) will automatically detect and install the necessary drivers. This process usually takes a few seconds.
- Ready for Use: Once the device is recognized, the indicator light on the reader will turn green, signifying it is ready for operation.

Image 3.1: Connecting the MSR100 USB cable to a laptop for plug-and-play setup.
4. Operating Instructions
The MSR100 is a bi-directional magnetic stripe reader, capable of reading data from up to three tracks (Tracks 1, 2, and 3) on magnetic stripe cards.
- Prepare the Card: Hold the magnetic stripe card with the magnetic stripe facing the reader's slot.
- Swipe the Card: Insert the card into the slot and swipe it smoothly and consistently in either direction (forward or backward).
- Data Transmission: The reader will capture the data from the magnetic stripe and transmit it to your connected computer as keyboard input. The data will appear in any active text field or application that accepts keyboard input.
- Indicator Light: The green indicator light will flash briefly during a successful read.

Image 4.1: Demonstrating the correct method for swiping a magnetic card through the MSR100 reader.
4.1. Key Features
- 3-Track Reading: Reads data from Tracks 1, 2, and 3 (Hi/Lo Coercivity).
- Bi-directional Swipe: Cards can be swiped in either direction.
- Durability: Designed for over 1,000,000 card swipes.
- Ergonomic Design: Compact and user-friendly.
- USB Interface: Standard USB Type A connection.

Image 4.2: Close-up views highlighting the USB connector, indicator light, and card swipe direction markings on the MSR100.
5. Compatibility
The Posunitech MSR100 is compatible with a wide range of computing environments:
- Operating Systems: Windows (all versions), macOS.
- Devices: Desktop computers, laptop computers.
Note: This device is designed for PC and laptop use and is generally not compatible with mobile phones or tablets.

Image 5.1: Visual representation of MSR100 compatibility with personal computers and laptops.
6. Specifications
| Feature | Detail |
|---|---|
| Model Number | MSR100 |
| Brand | Posunitech |
| Connectivity Technology | USB Type A |
| Special Feature | Plug & Play |
| Color | Black |
| Compatible Devices | Laptop, Personal Computer |
| Product Dimensions | 4.78 x 2 x 1.87 inches |
| Item Weight | 3.21 ounces |
| Card Swipe Reliability | Over 1,000,000 swipes |

Image 6.1: Diagram illustrating the physical dimensions of the MSR100 card reader.
7. Maintenance
To ensure the longevity and optimal performance of your MSR100 card reader, follow these simple maintenance guidelines:
- Cleaning: Use a soft, dry cloth to wipe the exterior of the reader. Avoid using harsh chemicals or abrasive materials.
- Card Slot: Periodically clean the card slot with a specialized magnetic head cleaning card (not included) to remove dust and debris that may accumulate.
- Storage: Store the reader in a clean, dry environment when not in use.
- Cable Care: Avoid bending or twisting the USB cable excessively to prevent internal damage.
8. Troubleshooting
- Reader not recognized by computer:
- Ensure the USB cable is securely plugged into both the reader and the computer's USB port.
- Try connecting the reader to a different USB port on your computer.
- Restart your computer and try again.
- Card data not reading or incorrect data:
- Ensure the magnetic stripe is facing the correct direction when swiping.
- Swipe the card at a consistent speed. Avoid swiping too fast or too slow.
- Check if the card's magnetic stripe is damaged or worn.
- Clean the reader's magnetic head as described in the Maintenance section.
- Verify that the application you are using is ready to receive keyboard input.
- No green indicator light:
- Confirm the reader is properly connected to a powered USB port.
- If the light does not turn green after connecting, the device may not be receiving power or may have an internal issue.
- Configuration Software:
- The MSR100 operates as a standard keyboard input device and does not typically require specific software for basic reading.
- If advanced configuration (e.g., data formatting) is required, please contact Posunitech customer support for guidance on obtaining the correct configuration utility. Note that generic software may not be compatible.
9. Warranty and Support
For information regarding warranty coverage, technical support, or service, please refer to the documentation provided at the time of purchase or contact Posunitech customer service directly. Contact details can typically be found on the manufacturer's official website or on your purchase receipt.



