... that unbalance the DSL modemoperation and require modem retraining. During retraining, the modems are unable to transmit data. To make retraining as fast as possible, G.lite modems store up to 16 ... methods are in use. Forinstance, in an Ethernet local area network, the letter a, which, in ASCII isMSB1100001LSBwill be read into the data stream as⇐1000011 In a Token Ring local area network, ... baseband signal. A passband signal may be moved in the frequency plane by changing the fre-quency of the carrier signal. A. 4 .2 Baseband Signal FormatsSeveral digital baseband signal formats are...