FAX COMMUNICATION FEATURES
SM 133 B547
Fax Option
B547
4.4.2 MULTI-PORT
When the optional ISDN Unit or optional extra G3 Interface Unit is installed,
communication can take place at the same time through the two or three lines at
once.
Option Available Line Type
Available protocol
Combinations
Standard only PSTN G3
Extra G3 Interface Unit PSTN + PSTN G3 + G3
PSTN + ISDN G3 + G4
ISDN Unit
ISDN I-G3 + G4
Extra G3 Interface Unit
+
Extra G3 Interface Unit
PSTN + PSTN + PSTN G3 + G3 + G3
PSTN + PSTN + ISDN G3 + G3 +G4
PSTN + ISDN
G3 + I-G3
or
G3 + I-G3 + G4
Extra G3 Interface Unit
+
ISDN Unit
ISDN
I-G3 + I-G3
or
I-G3 + G4