ꢃ JP12: RS-422/485 Receiver Enabled/Disabled Select
JP12
Description
2
1
6
5
Short 1-2(default) Always Enable
Short 3-4
All Open
Enable by writing the REG.2EFh BIT1=1
Always Disable
ꢃ JP13: RS-422/485 Transceiver Enabled/Disabled Select
JP13 Description
Short 1-2 (default) Always Enable
2
1
8
7
Short 3-4
Short 5-6
Short 7-8
Enable by ”-RTS” signal
Enable by writing the REG.2EFh BIT0=1
Always Disable
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.
ꢃ CN19: 5-pin Keyboard Connector
PIN
Description
1
2
3
4
5
1
2
3
4
5
Keyboard Clock
Keyboard Data
N/C
GND
+5V
ꢃ CN21: PS/2 6-pin Mini DIN Keyboard Connector
PIN
Description
Keyboard Data
Keyboard
Clock
1
2
3
4
5
6
GND
3
1
5
6
Keyboard
Data
N/C
GND
+5V
2 N/C
N/C
+5V
4
Keyboard Clock
N/C
18
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