21 December, 2001
DEDICATED TRANSMISSION PARAMETERS
3-77
Service
Tables
Switch 04
No
FUNCTION
COMMENTS
4
V.8 protocol
0
: Off
1
: Disabled
If transmissions to a specific destination always end
at a lower modem rate (14,400 bps or lower),
disable V.8 protocol so as not to use V.34 protocol.
0:
V.34 communication will not be possible.
If the setting is “Disabled”, the bit switch setting is
used.
5
Compression modes available
in transmit mode
0:
MH only
1:
Disabled
This bit determines the capabilities that are informed
to the other terminal during transmission.
If the setting is “Disabled”, the bit switch setting is
used.
6
7
ECM during transmission
Bit 7
Bit 6 Setting
0
0
Off
0
1 On
1
0
Not used
1
1 Disabled
For example, if ECM is switched on but is not
wanted when sending to a particular terminal, use
the (0, 0) setting.
Note that V.8/V.34 protocol and JBIG compression
are automatically disabled if ECM is disabled.
If the setting is “Disabled”, the bit switch setting is
used.
Switch 05
- Not used (do not change the settings)
Switch 06
- Not used (do not change the settings)
Switch 07 - Optional ISDN G4 kit required
No
FUNCTION
COMMENTS
0
to
3
Data rate
Bits
3 2 1 0 Setting
0 0 0 0 64
kbps
0 0 0 1 56
kbps
1 1 1 1 Disabled
If the setting is “Disabled”, the current setting of G4
parameter switch 2 (bits 0 and 1) is used.
4-7
Not used
Do not change the settings.
Switch 08 - Not used