Casio HS-3000/4M Manual De Usuario
18
JP12: RS-422/485 Receiver Enabled/Disabled Select
JP12
Description
Short 1-2(default)
Always Enable
Short 3-4
Enable by writing the REG.2EFh BIT1=1
All Open
Always Disable
1
6
5
2
JP13: RS-422/485 Transceiver Enabled/Disabled Select
JP13
Description
Short 1-2 (default)
Always Enable
Short 3-4
Enable by ”-RTS” signal
Short 5-6
Enable by writing the REG.2EFh BIT0=1
Short 7-8
Always Disable
1
2
7
8
3.9 Keyboard & Mouse Connector
The HS-3000/4M offers two connection methods for keyboard
connector, at location CN19 is 5-pin connector, location CN21 is PS/2
6-pin Mini DIN connector.
connector, at location CN19 is 5-pin connector, location CN21 is PS/2
6-pin Mini DIN connector.
CN19: 5-pin Keyboard Connector
PIN
Description
1
Keyboard Clock
2
Keyboard Data
3
N/C
4
GND
5
+5V
K
eyb
oard
Cl
oc
k
K
eyb
oard
Da
ta
N/
C
GN
D
1
2
3
4
5
+5V
CN21: PS/2 6-pin Mini DIN Keyboard Connector
PIN
Description
1
Keyboard Data
2
N/C
3
GND
4
+5V
5
Keyboard Clock
6
N/C
Keyboard
Data
Data
N/C
GND
+5V
1
2
3
4
5
6
Keyboard
Clock
N/C