Ricoh fax180 - Page 91

Byte 2
FUNCTION COMMENTS
0
to
3
Initial Tx modem rate
Bit 3 2 1 0 Setting (bps)
0 0 0 0 Not used
0 0 0 1 2,400
0 0 1 0 4,800
0 0 1 1 7,200
0 1 0 0 9,600
0 1 0 1 12,000 (reserved)
0 1 1 0 14,400 (reserved)
1 1 1 1 Setting disabled
Other settings: Not used
If training with a particular remote
terminal always takes too long, the
initial modem rate may be too high.
Reduce the initial Tx modem rate
using these bits.
Note: 12,000 and 14,400 bps speeds
are not available with this machine.
4
to
7
Not used Do not change the settings.
Byte 3
FUNCTION COMMENTS
0
Not used Do not change the settings.
1
Not used
2
3
DIS/NSF detection method
Bit 3 Bit 2 Setting
0 0 First DIS or NSF
0 1 Second DIS or NSF
1 0 First DIS or NSF
1 1 Setting disabled
(0, 1): Use this setting if echoes on the line are
interfering with the set-up protocol at the start of
transmission. The machine will then wait for the
second DIS or NSF before sending DCS or
NSS.
4
Not used Do not change the settings.
5
Compression modes available in
transmit mode
0: MH only
1: All available compression modes
This bit determines the capabilities that are
informed to the other terminal during
transmission.
6
7
ECM during transmission
(BRO only)
Bit 7 Bit 6 Setting
0 0 Disabled
0 1 Enabled
1 0 Disabled
1 1 Setting disabled
For example, if ECM is switched on but is not
wanted when sending to a particular terminal,
use the (0, 0) setting.
(BR1: Do not change the settings.)
SERVICE TABLES AND PROCEDURES August 7th, 1995
DEDICATED TRANSMISSION PARAMETERS
4-60