Dialing And Communication Procedure - Toshiba e-STUDIO170F Service Manual

9.

Dialing and Communication Procedure

9.1 Line Connection and Mode Change Procedure
9.1.1 Call to external telephone line
Has the ring signal been detected?
Has the off-hook signal been detected?
If the dial tone is detected, or after 3.3 seconds
Transmits the dialing signal
Detects the facsimile switching signal
January 2005 © TOSHIBA TEC
START
NO
NO
Forms the DC loop
YES
Communication
9 - 1
YES
Reception
YES
Off-hook processing
NO
Returns to idle
e-STUDIO170F Dialing and Communication Procedure
9