Olivetti FK-502 Service Manual page 49

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2. COMMUNICATION CONTROL
(2) MPh (type 0) bit assignment
Bits (LSB-MSB)
0-16
17
18
19
20-23
24-26
27
28
29-30
31
32
33
34
35-49
50
51
52-67
68
69-84
85-87
*1: 13 and 14 are used when the opposed modem supports up to 1664 points
*2: Set to 0 on the transmitting modem.
42
Value
All bit 1
Bit string for frame synchronization
0
Start bit
0
MP signal type
0
Reserved
Maximum transmission rate from the calling modem to the called
1 to 14
modem (x 2400) *1
0,0,0
Reserved
Control channel data transmission rate which is selected by the
0/1
opposed transmitter
1200bps / 2400 bps
0
Reserved
Trellis coding device selection *2
(00: 16 state, 10: 32 state, 01: 64 state and 11: Reserved)
Non-linear encoder parameter selection for the terminal transmitter
0/1
of a remote station *2
(0:
=0, 1:
0.3125)
Parameter (shaping) selection when the data rate is determined
0/1
within each symbol rate *2
(0: Minimum, 1: Expanded)
0
Reserved
0
Start bit
Communication speed mask (0/1=Ability of both modems disabled /
enabled)
(Bit35=2400 bps ... Bit46=28.8 kbps, Bit47=31.2 kbps,
Bit48=33.6 kbps and Bit49=Reserved)
0/1
Use of control channel imbalance data rate No / Yes
0
Start bit
0
Reserved
0
Start bit
CRC
0,0,0
Fill Bits
Service Manual
Field Service Ver. 7.0 Jan. 2009
Meaning
Y104784-2

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