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34
Allied Data Technologies
Bit
Value
Default
Description
Bit 0
0-1
1Reserved
Bit 1
0-1
1
0= ATK0
Bit 2
0-1
1
CTS (CT106) control, synchronous
0= CTS follows RTS (AT&R0)
1= CTS always on (AT&R1)
Bit 3.4
0-3
1
DTR (CT108) control
0= AT&D0 selected
1= AT&D1 selected
2= AT&D2 selected
3= AT&D3 selected
Bit 5
0-1
0
DCD (CT109) control
0= DCD always on (AT&C0)
1= DCD indicates status of carrier (AT&C1)
Bit 6
0-1
0
DSR (CT107) control
0= DSR always on (AT&S0)
1= DSR on after detection of answer tone
Bit 7
0-1
0
Long Space Disconnect
0= ATY0 selected
1= ATY1 selected
S22
* 117
Bitmap register
Bit
Value
Default
Description
Bit 0,1
0-3
1
Loudspeaker volume:
0= Low (ATL0)
1= Low (ATL1)
2= Normal (ATL2)
3= High (ATL3)
Bit 2,3
0-3
1
Loudspeaker on/off
0= Off (ATM0)
1= On during receipt of carrier (ATM1)