Ricoh FAX680MP Service Manual page 34

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BIT SWITCHES
BIT SWITCH 2
Bit
Function
Initial Tx modem rate
0
0
1
 =
 =
9 6
. ,
k
1
0
0
Modem speed to be notified to the transmitting terminal
2
0
1
 =
 =
9 6
. ,
k
3
0
0
Training error tolerance
4
0
1
 =
 =
15
bits
,
5
0
0
Communication
6
parameter display
0: Disabled
1: Enabled
Echo countermeasure
7
0: Disabled
1: Enabled
Communication Parameters
Modem Rate
Resolution
9 (9.6 kbps)
S (3.85 l/mm)
7 (7.2 kbps)
D (7.7 l/mm)
4 (4.8 kbps)
2 (2.4 kbps)
0
1
 =
 =
7 2
. ,
k
4 8
.
k
,
1
1
0
1
 =
 =
7 2
. ,
k
4 8
. ,
k
1
1
0
1
 =
10
bits
,
2
bits
,
1
1
1: The machine displays communication parameters
during communication.
Manually reset this bit to 0 after test communications.
1: When the same code that was sent is received, it is
ignored.
0: The machine will disconnect instead of ignoring
echoes.
Coding
1D (MH)
1C
(MH&ECM)
2D (MR)
2C
(MR&ECM)
4-10
Comments
2 4
.
k
2 4
.
k
 =
25
bits
Paper Size
Mode
AN (A4)
DCS
NSS
31 March, 1997
I/O Rate
10 (10 ms)
20 (20 ms)
40 (40 ms)

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