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SurePOS 100 Technical Reference
Page 15 of 104
5.7.1 Connectors/ Pinouts
Keyboard,
Mouse
Ethernet
USB
(2X)
LCD
power
USB
12 V
Cash
Drawer
Powered
RS-232
(2X)
VGA RS-232
(2X)
PCI
AC
Figure 3. SurePOS 100 I/O Ports
5.7.2 Serial Port Pinouts
Signal Description
Port A,B (standard)
9 pin D shell
Port C,D (powered)
15 pin D shell
CD 1 1
RXD 2 2
TXD 3 3
DTR 4 4
DSR 6 12
RTS 7 13
CTS 8 14
RI 9 15
GND 5 5,6,11
+5V (+5%, -10% at conn.) n/a 7,10
+12V (+5%. -10% at conn.) n/a 8,9