Operating InstructionsFacsimile Reference (option) <Advanced Features>
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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 two communications can take place simultaneously.
❒ You cannot perform two Immediate Transmissions simultaneously.
❒ If two fax messages are received simultaneously, they cannot be printed out at the same time.
❒ If two communications are in progress, the display shows the first communication 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