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40
Allied Data Technologies
S41 * 131
Bitmap register
Bit
Value
Default
Description
Bit 0-1
0-3
3
Compression setting
0= Off (AT%C0)
1= MNP5 (AT%C1)
2= V42bis (AT%C2)
3= MNP5 or V42bis (AT%C3)
Bit 2
0-1
0
Auto-retrain
0= Off (AT%E0)
1= On (AT%E1)
Bit 3
0-1
0
Modem/modem flow control
0= Off (AT\G0)
1= On (AT\G1)
Bit 4
0-1
0
MNP block mode
0= Flow mode (AT\L0)
1= Block mode (AT\L1)
Bit 5-7
4
Reserved
S46 * 138
136,138 Data compression
136 =
Data compression on
138 =
Data compression off
S48 * 007
0,7,128 V42 negotiation
0 =
LAPM connection without negotiation
7 =
Negotiation stage (Link Request) on
128 =
No negotiation stage, forced fallback as specified in S36
S80 * 000
Reserved
S82
128
3,7,128
Break signal during LAPM connections
Specifies the send sequence for data and a break signal.
3=
Fast, data is saved