iDiPOS WP85 - Page 7

BIBD-ICP User’s Manual
JPC3: COM3 Serial Port Voltage Switch Jumper
2 1
Pin 1-2 Close: Pin9=Ring
4 3
Pin 3-4 Close: Pin9= 5V
6 5
Pin 5-6 Close: Pin9=12V
Note
»»» Note1: COM1/2 voltage selection is controlled by BIOS setup. Please see page-23 & 24 for detail
setting.
RJ-11 pin define
Pin
Define
Function
GPIO
address (memory space)
1
CASE OPEN2_N
Status Pin
S5_25
0XFED0E1B8 bit0
2
CASH1 _P
Control Pin
S0_82
0XFED0C1D8 bit0
3
CASE OPEN_N
Status Pin
S5_24
0XFED0E1C8 bit0
4
CASH_PWR (12/24V)
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5
CASH2_P
Control Pin
S0_83
0XFED0C1B8 bit0
6
GND
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»»» You could read the address value at dword (32 bits/4 bytes).
Chapter 1: Introduction | 7