Savin 1045 - Manual (Page 197)

Connecting the Machine to a Telephone Line and Telephone
183
11
Multi-port
When the optional ISDN Unit or optional Extra G3 Interface Unit is installed,
communications can take place simultaneously through two lines at once.
Note
❒ A maximum of three communications can take place simultaneously.
❒ You cannot perform three Immediate Transmissions simultaneously.
❒ If three fax messages are received simultaneously, they cannot be printed out
at the same time.
❒ If three communications are in progress, the display indicates the first com-
munication that was initiated.
Option Available Line Types Available Protocol Combinations
Without option PSTN G3
Extra G3 Interface Unit PSTN+PSTN G3+G3
ISDN Unit PSTN+ISDN G3+G4
or
G3 (ISDN)+G4
ISDN G3 (ISDN)+G4
Extra G3 Interface Unit
+
Extra G3 Interface Unit
PSTN+PSTN+PSTN G3+G3+G3
Extra G3 Interface Unit+IS-
DN Unit PSTN+PSTN+ISDN G3+G3+G4
or
G3+G3(ISDN)+G4
PSTN+ISDN G3+G3(ISDN)+G4
or
G3 (ISDN)+G3(ISDN)