However , a number of devices ( including some routers and lab equipment ) still use serial ports to communicate , typically for diagnostic and debugging purposes .
By the time that macOS was being released around 2002 , the BBS world had largely disappeared .
A number of devices ( including some routers and lab equipment ) still use serial ports to communicate , typically for diagnostic and debugging purposes .
By the time that macOS was being released around 2002 , the BBS world had largely disappeared .