https://blog.gongquiz.com/2024/03/23/%eb%94%94%ec%a7%80%ed%84%b8-%ec%a0%95%eb%b3%b4%ed%86%b5%ec%8b%a0%ec%8b%9c%ec%8a%a4%ed%85%9c%ec%9d%b4-9600bps%eb%a1%9c-%eb%8f%99%ec%9e%91%ed%95%98%ec%97%ac%ec%95%bc-%ed%95%a0-%ea%b2%bd%ec%9a%b0/