ACS Smart Card Reader - ACR39U-N1
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Product Information
Full details
The ACS ACR39U-N1 PocketMate II is a portable, high-performance smart card reader designed for professionals who require secure access control, digital signatures, or online banking on the go. Its swivel-USB design protects the connector while maintaining a compact, travel-friendly form factor that fits in your pocket like a standard thumb drive. While it excels at portability and broad compatibility across Windows, Mac, Linux, and Android, users should note that it requires a USB-A port or adapter for modern devices lacking this standard connection.
All features
| Model Part Number | ACR39U-N1 |
|---|---|
| Brand | ACS |
Extended Product Information
FAQs
Does this reader support Common Access Cards (CAC)?
Yes, the ACR39U-N1 is compatible with Department of Defense CAC cards.
Can I use this with a modern MacBook that only has USB-C ports?
You can, but you will need a USB-A to USB-C adapter to connect the reader to your Mac.
Does this reader require external batteries?
No, the device is fully powered through the USB interface.
Is this reader compatible with Linux?
Yes, the reader supports Linux operating systems provided that your Linux distribution has the necessary PC/SC-Lite drivers installed.
What happens if the USB connector gets dirty?
Use a can of compressed air to clear out the connector area, or gently wipe the exterior surfaces with a dry, lint-free cloth.
Can I use this for online banking?
Yes, it is designed for secure smart card management, which includes applications like online banking requiring smart card authentication.
Troubleshooting
Device is not recognized by the computer
Unplug the device and plug it back in. Ensure your operating system is updated and that the CCID service is running.
Smart card is not detected
Verify the smart card is inserted in the correct orientation and that the card chip is clean and free of fingerprints or oxidation.
Software shows 'Reader Not Found' error
Check your security software settings to ensure the PC/SC service is enabled and that no other smart card reader software is conflicting with the driver.
Pros and Cons
Pros
- Extremely compact and lightweight design
- Protective swivel mechanism protects the USB connector
- Wide support for various smart card classes and protocols
- Plug-and-play simplicity on most operating systems
- Supports mobile integration via Android
Cons
- Requires USB-A port (not compatible with USB-C ports without an adapter)
- Small size can make it easy to misplace
- Lack of LED status indicators for some connection states
Setup, Compatibility & Care
To set up the ACR39U-N1, simply rotate the swivel cover to reveal the USB-A connector and plug it into your computer or supported Android device. Most systems will recognize the device immediately due to its CCID compliance. If your system requires specific middleware for your smart card (such as DoD CAC software), ensure that software is installed to allow the computer to communicate with the card via the reader.
Compatibility Note: Ensure your hardware has a standard USB-A port. If you are using a modern thin-and-light laptop with only USB-C ports, you will need a USB-A to USB-C adapter for the device to function.
Care Instructions:
- Keep the interior contact area free of dust and debris to ensure stable reading.
- Avoid exposing the USB connector to moisture.
- When not in use, always rotate the swivel cover back to the closed position to protect the connector from being bent or clogged with lint.