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Back Panel
1-2
Back Panel
Back Panel
Connector
Connects the ASCII Unit
to the PC
DIP Switch
For setting the communi-
cation parameters
Back Panel DIP Switch
Baud rate selection for port 1
Pin No.
1
Setting
0
1
0
1
0
1
0
1
The back panel of the ASCII Unit houses the PC connector and an 8-pin DIP
switch used for setting the communication parameters.
Pins 1, 2, and 3 are used for setting the baud rate of port 1.
Pins 4, 5, and 6 are used for setting the baud rate of port 2.
Pins 7 and 8 are not used but must be set to OFF. If they are left ON, the Hard-
ware Test program will be executed and all RAM data will be lost.
The DIP switch settings are described in more detail in the following diagram.
OFF
: 0
ON
: 1
1 2 3 4 5 6 7 8
2
3
Baud Rate
0
0
300 bps
0
0
600 bps
1
0
1,200 bps
1
0
2,400 bps
0
1
4,800 bps
9,600 bps
0
1
1
1
1
1
Mounting Screw
For mounting the ASCII Unit
to the PC Rack
Mounting Screw
For mounting the ASCII Unit
to the PC Rack
Not used (Always set these pins to OFF.)
Baud rate selection for port 2
Pin No.
4
5
6
Setting
0
0
0
1
0
0
0
1
0
1
1
0
0
0
1
1
0
1
0
1
1
1
1
1
Section 1-2
Baud Rate
300 bps
600 bps
1,200 bps
2,400 bps
4,800 bps
9,600 bps
19,200 bps
5
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