¡ Semiconductor
MSM7718
Line Echo
Canceler
PCM
Line
CODEC
MSM7718-01
ADPCM
Transcoder
Slave telephone
Note : In this connection, PCMLNI, PCMLNO, PCMACI, and PCMACO should all be assigned
to time slot 1 for their output timing (the output timing for the PCM CODEC is always
assigned to time slot 1).
Turn on the line echo canceler and establish a route between the slave telephone and the
line.
Figure 3 PCM Signal Connection Example 1
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