
45
A46 RIA B46 RTS_A
A47 DTR_A B47 RX_A
A48 DSR_A B48 TX_A
A49 CTS_A B49 DCD_A
Top I/O Board: Connector Pin Definitions and Jumper Settings
The top I/O board transfers signals from the I/O ports to the IOTR board. These include: audio port, LAN,
Cash Drawer, 5V Power USB, 12V Power USB, and USB.
Audio line Output EAR Connector
PIN No.
Description
1 GND_SP
2 LO_R
3 LO_L
4 LO_HP
5 NC
RJ-45 LAN Port
PIN No.
Description
PIN No.
Description
1 LAN0+ 2 LAN0-
3 LAN1+ 4 LAN2+
5 LAN2- 6 LAN1-
7 LAN3+ 8 LAN3-
5V Power USB Port
PIN No.
Description
PIN No.
Description
1 5V 2 UD2-
3 UD2+ 4 GND
5 GND 6 5V
7 5V 8 GND
12V Power USB Port
LINE_OUT
LAN
P_USB2
P_USB1