Using this optical module is easy. First, make sure your device is powered off. Then, gently insert the module into the appropriate slot until it clicks into place. After that, you can power on your device and start using it. When handling the module, avoid touching the connector with your fingers as it may cause damage. Also, keep it in a dry and clean environment. For maintenance, if there is dust on the module, you can use a soft, dry cloth to gently wipe it. Don't use any liquid cleaners without permission.