Ricoh FAX7000L, Field Service Manual

Page: 154 / 377

G3 CCU Bit Switch 18
BIT FUNCTION DATA COMMENTS
Telephone line type
0 Bit 1 Bit 0 Type These bits determine the type of dialling used by the machine.
0 0
Pulse dial, 10 pps
The bits are changed when the user changes the telephone
1 0 1 Not used line type setting with function 81.
1 0 DTMF
1 1 Not used
Conditions for going into tx mode
2
Bit 3 Bit 2 Conditions In some countries, this setting is fixed according to PTT re-
0 0 Polarity change, 2100 Hz,
quirements. In countries that have the setting at (0, 0), the
3 and NSF detection other settings can be used to troubleshoot tx problems; if
0 1
Polarity change detection
there is a problem going into tx mode, each setting can be
1 0 2100 Hz detection
tried and the cause determined by a process of elimination.
1 1 NSF detection
4
Not used
Do not change the factory settings.
5
6
Not used Do not change the factory settings.
7
2-102