The synchronous data transmission system of Figure 9-32 and Figure 9-33 is malfunctioning. An oscilloscope is used to monitor the MUX and DEMUX outputs during the transmission cycle, with the results shown in Figure 9-82. What are the possible causes of the malfunction?

Figure 9-82

Figure 9-32

Figure 9-33

Transcribed Image Text:

Transmit data DEMUX output: Oo 8 0₁ 0₂ 1 1 I A₁ I 1 A₂ 1 1 1 1 1 1 A3 1 1 1 1 T 1 1 Bo B₁ 1 1 1 1 18 B₂ T T I B3 | Co I C₁ 1 I 1 T 1 t10 I I I I 1 I T I 11 C₂ 1 1 T 1 1 1 T 1 T T 1 1 112 113 1 1 ယား 1 Do i 1 1 1 T 1 1 1₁4 115 I I 1 1 1 D₂ 1 1 1 1 T 1 116 117 T 1 T t18 1 1 T I T I t₁9