Bit Switches
SM 87 D432/D433
D432/D433
Fax Option
Type
C2550/C2530
Communication Switch 1C [SP No. 1-104-029]
No FUNCTION COMMENTS
0-1
Extension access code (8 and
9) to turn V.8 protocol On/Off
0: On
1: Off
Refer to communication switch 1B.
Example: If “8” is the PSTN access code, set bit 0
to 1. When the machine detects “8” as the first
dialed number, it automatically disables V.8
protocol. (If “9” is the PSTN access code, use bit
1.)
2-7
Not used
Do not change the settings.
Communication Switch 1D - Not used (do not change the settings)
Communication Switch 1E - Not used (do not change the settings)
Communication Switch 1F - Not used (do not change the settings)
4.3.5 G3 SWITCHES
G3 Switch 00 [SP No. 1-105-001]
No FUNCTION COMMENTS
0
1
Monitor speaker during
communication (tx and rx)
Bit 1: 0, Bit 0: 0 = Disabled
Bit 1: 0, Bit 0: 1 = Up to Phase
B
Bit 1: 1, Bit 0: 0 = All the time
Bit 1: 1, Bit 0: 1 = Not used
(0, 0): The monitor speaker is disabled all through
the 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
all through the 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 enabled during memory
transmission.
3-5
Not used
Do not change the settings.
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