MPF Products 993-000321
MPF Products 993-000321 USB Programming/Charging Cable User Manual
Model: 993-000321 | Brand: MPF Products
1. Introduction
This manual provides instructions for the MPF Products 993-000321 USB cable. This cable serves as a replacement for the original Logitech cable part number 993-000321, enabling both programming and, for certain models, charging of compatible Logitech Harmony remote controls. It is designed for reliable data transfer and power delivery.

Image of the MPF Products 993-000321 USB Programming/Charging Cable, showing its USB-A and micro-USB connectors.
2. Compatibility
The 993-000321 USB cable is compatible with the following Logitech Harmony remote control models:
- Logitech Harmony 600 (Model: 915-000156)
- Logitech Harmony 650 (Model: 915-000159)
- Logitech Harmony 700 (Model: 915-000162)
- Logitech Harmony Ultimate (Model: 915-000201)
- Logitech Harmony Ultimate One (Model: 915-000224)
Important Note: For the Logitech Harmony Ultimate and Ultimate One remotes, this cable is used for programming only. These specific models do not charge via the USB cable.
3. Setup Instructions
To set up and use your MPF Products 993-000321 USB cable, follow these steps:
- Prepare your computer: Ensure you have the necessary Logitech Harmony software installed on your computer. This software is required for programming your remote control. Refer to Logitech's official website for software downloads and installation instructions.
- Connect to Remote: Locate the micro-USB port on your Logitech Harmony remote control. Gently insert the micro-USB end of the 993-000321 cable into this port. Ensure a secure connection.
- Connect to Computer: Insert the standard USB-A end of the cable into an available USB port on your computer.
- Verify Connection: Your computer should recognize the connected remote control. The Logitech Harmony software should also detect the remote, indicating a successful connection.
4. Operating Instructions
4.1. Programming Your Remote
Once the cable is connected and recognized by your computer and the Logitech Harmony software:
- Launch the Logitech Harmony software on your computer.
- Follow the on-screen prompts within the software to update settings, add devices, or customize activities for your remote control.
- The cable facilitates the high-speed, error-free data transfer required for these programming tasks.
- After programming, safely disconnect the remote from your computer.
4.2. Charging Your Remote (Applicable Models Only)
For Logitech Harmony 600, 650, and 700 models, this cable can also be used for charging:
- Connect the cable as described in the Setup section (Section 3).
- Ensure your computer is powered on or connect the USB-A end to a compatible USB wall adapter (not included).
- The remote control's display or indicator light should show that it is charging.
- Allow sufficient time for the remote to fully charge.
Reminder: Logitech Harmony Ultimate and Ultimate One remotes do not charge via this USB cable. This cable is exclusively for programming these models.
5. Maintenance
To ensure the longevity and optimal performance of your MPF Products 993-000321 USB cable:
- Storage: Store the cable in a cool, dry place away from direct sunlight and extreme temperatures.
- Cleaning: If necessary, gently wipe the cable with a soft, dry cloth. Avoid using harsh chemicals or abrasive materials.
- Handling: Avoid bending the cable sharply or pulling it forcefully from the connectors. Always grasp the connector housing when plugging or unplugging.
- Protection: Keep the cable away from liquids and sources of excessive heat.
6. Troubleshooting
If you encounter issues while using your USB cable, consider the following:
- Remote Not Recognized:
- Ensure both ends of the cable are securely connected.
- Try connecting the cable to a different USB port on your computer.
- Restart your computer and the Logitech Harmony remote.
- Verify that the Logitech Harmony software is correctly installed and up-to-date.
- Remote Not Charging (Harmony 600/650/700):
- Confirm the computer or USB wall adapter is powered on.
- Try a different USB port or wall adapter.
- Ensure the remote's battery is properly seated and not depleted beyond recovery.
- Programming Errors:
- These are typically software-related. Refer to the Logitech Harmony software's help documentation or Logitech's support resources for assistance with programming issues.
- Ensure your internet connection is stable if the software requires online access.
7. Specifications
| Model Number | 993-000321 |
| Cable Type | USB-A to Micro-USB |
| Cable Length | Approximately 3 feet (0.91 meters) |
| Color | Black |
| Item Weight | 0.8 ounces (22.7 grams) |
| Product Dimensions | 5 x 1.25 x 0.5 inches (12.7 x 3.18 x 1.27 cm) |
| Features | Precision connectors, twisted-pair construction for high-speed and error-free data transfer. |
8. Warranty Information
This MPF Products 993-000321 USB cable comes with a 3 Year Replacement Warranty. MPF Products is a Registered Trademark.
For warranty claims or further details, please refer to the seller's information or contact MPF Products directly.
9. Support
For technical assistance or inquiries regarding your MPF Products 993-000321 USB cable, please contact the seller or manufacturer directly.
For issues related to the Logitech Harmony remote control's functionality, software, or specific programming steps, please refer to Logitech's official support resources and documentation.