T1 (DS1)
•
Figure 6.10
TDM
PCM
PCM
Analog 1
Analog 2
PCM
Analog 24
1.544 Mbps Digital signal
Voice Inputs
Digital
DS-0
DS-0
DS-0
DS-1
(8 bit/sample)*(24 ch/frame) = 192 bit/frame
add 1 synchronization bit/frame for 193 b/frame
Multiply by the sampling rate of 8 kHz
= 1.544 Mbits/sec (64 kbit/sec each channel)