14 June, 2002
BIT SWITCHES
5-37
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.