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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.
CN19: 5-pin Keyboard Connector
PIN Description
1
Keyboard Clock
2 Keyboard Data
3 N/C
4 GND
5 +5V
Keyboard
Clock
Keyboard
Data
N/C
GND
12345
+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
N/C
GND
+5V
1
2
3
4
5
6
Keyboard
Clock
N/C