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Pa2
Always 0
Always 1
(Reserved)
1 000
1 001
1 0 1 0
1 0 1 1
1 1 00
1 1 0 1
1 1 0
1 1 1 1
1200
1800
2400
3600
4800
7200
9600
19200
Bit 7:
6:
5:
4:
3:
2:
1:
Aux Word Length; 7-Bit (0)* or 8-Bit (1)
Aux Parity - - - - - - 0 0 0 None
Pa3 Bit 7:
Always 0
6:
Always 1
5:
(Reserved)
4:
(Reserved)
3:
(Reserved)
001 Space
o
1 0 Mark
o
1 1 Odd (*)
1 00 Even
1 0 1 (Reserved)
1 1 0 (Reserved)
1 1 1 (Reserved)
2:
Enable Aux Outbound Pacing; Off(O) or On(1 r
1:
Enable Aux Inbound Pacing; Off(O) or On(1 r
Pa4 Bit 7:
Always 1
6:
Always 0
5:
(Reserved)
4:
(Reserved)
3:
Aux Input Data; Ignore (Or or Passthrough (1)
2:
Aux Trace
0 0 (Reserved)
bps
bps
bps
bps
bps
bps
bps (*)
bps
1:
0 1 Received Data (RXD)
Notes:
1 0 Transmitted Data (TXD)
1 1 Both RXD and TXD (*)
1.
An asterisk (*) indicates the default setting.
2.
When the Set Control
6
command is received from the host system, the DTR on the main port
goes off for about 350 milliseconds.
7. Set/Read Control 7 Command/Response
ESC
&
9 Pa1 Pa2 Pa3
(Set Control 7 Command) (outbound)
ESC
&
7
(Read Control 7 Command) (outbound)
ESC
&
7 Pa1 Pa2 Pa3
(Read Control 7 Response) (inbound)
Parameter:
Pa1 Bit 7:
Always 0
6:
Always 1
5:
(Reserved)
4:
Print Key
3:
2:
Time Fill Characters
1:
o
0 Print Page (')
o
1 Print Screen
1 0 Print Viewport
1 1 (Reserved)
00
0 (*)
01
1
102
1 1
3
5-21
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