14 June, 2002
BIT SWITCHES
5-53
Service
Tables
5.2.5 G3 SWITCHES
G3 Switch 00
No FUNCTION
COMMENTS
0
1
Monitor speaker during
communication (TX and RX)
Bit 1 Bit 0 Setting
0 0 Disabled
0 1 Up to Phase B
1 0 All the time
1 1 Not used
(0, 0):
The monitor speaker is not in use
throughout communication.
(0, 1):
The monitor speaker is on up to phase B in
the T.30 protocol.
(1, 0):
Used for testing. The monitor speaker is on
throughout communication.
Make sure that you reset these bits after testing.
2
Monitor speaker during memory
transmission
0:
Disabled
1:
Enabled
1:
The monitor speaker is in use during memory
transmission.
3-7
Not used
Do not change these settings.
G3 Switch 01
No FUNCTION
COMMENTS
0-3
Not used
Do not change these settings.
4
DIS frame length
0:
No limit
1:
4 bytes
1:
Only the first 4 bytes in the DIS frame will
transmit (set to 1 if there are communication
problems with PC-based faxes, which cannot
receive extended DIS frames).
5
Not used
Do not change this setting.
6
CED/ANSam transmission
0:
Enabled
1:
Disabled
Do not change this setting, unless a
communication problem is caused by sending
CED/ANSam (V.34).
7
Not used
Do not change this setting.
G3 Switch 02
No FUNCTION
COMMENTS
0
G3 protocol mode used
0:
Standard and non-standard
1:
Standard only
1:
Disables NSF/NSS signals (these are in non-
standard mode communication).
1-4
Not used
Do not change these settings.
5
Use of modem rate history when
dialing using Quick/Speed dials
0:
Disabled
1:
Enabled
0:
Communications using Quick/Speed dials
always start with the highest modem rate.
1:
The machine uses the modem rate history for
communications with the same machine when
determining the most suitable rate for the current
communication.
6
AI short protocol (transmission
and reception)
0:
Disabled
1:
Enabled
Refer to Appendix B in the Group 3 Facsimile
Manual for details about AI Short Protocol.
7
Not used
Do not change these settings.