Although documented in ownersa#39; manuals, users frequently skip over this command and are puzzled when their modemsa#39; temporarily stop communicating with the outside world. ... had to travel across an air gap, between the telephonea#39;s earpiece (speaker) and the modema#39;s pickup (microphone) and vice-versa. ... Please note that these toggle switches are usually found in a Dual inline package (DIP)anbsp;...
|Title||:||Beginner's Guide to Computer Telecommunications|
|Author||:||Ken Coller, Bruce W. Miller|