November 29, 1999
BIT SWITCHES
4-33
Service
Tables
System Switch 18
No
FUNCTION
COMMENTS
0
1
Default communication line for
transmission when both lines are
outside lines (neither line is connected
to a PABX)
Bit 1
Bit 0
Setting
0
0 Auto select
0
1 PSTN 1 (Standard G3)
1
0 PSTN 2 (Optional G3 unit)
1
1 ISDN (G4 unit required)
(0,0): If one line is already being used,
the other line is selected.
Others: The line is fixed in accordance
with these switches. However, the user
can select another line with the line
selection key (or user function key if
programmed with the line selection
feature).
The settings of communication switch
16 bit 5 and system switch 0A bit 6
over-ride these switches.
2
Not used
Do not change the setting
3
4
Default communication line for
transmission when there is no G3
outside line (both lines connected to a
PABX, or one line connected to a
PABX and one line connected to an
ISDN)
Bit 4
Bit 3
Setting
0
0 Auto select
0
1 PSTN 1 (Standard G3)
1
0 PSTN 2 (Optional G3 unit)
1
1 ISDN (G4 unit required)
(0,0): If one line is already being used,
the other line is selected.
Others: The line is fixed in accordance
with these switches. However, the user
can select another line with the line
selection key (or user function key if
programmed with the line selection
feature).
The settings of communication switch
16 bit 5 and system switch 0A bit 6
over-ride these switches.
User switch 13 (0DH) is used to connect
a line to a PABX.
5-7
Not used
Do not change the settings.