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Serial Port Connectors & Headers
JPC1/2/3/4/5/6: COM1 & JCOM2/3/4/5/6 Serial Port Voltage Switch Jumpers
1 3
Pin 1-2 Close: Pin9= 12V (default)
1 3
Pin 2-3 Close: Pin9=5V
1 3
No Jumper: Pin9=0V
JCOM2/3/4/5/6: Serial Port Headers
Pin Assignment
Pin
Assignment
1
-PDCD
2
PSIN
3
PSOUT data
4
-PDTR
5
GND
6
-PDSR
7
-PRTS
8
-PCTS
9
OV / 5V / 12V* 10
NA
JSEL1/JSEL2: RS-232/422/485 Switch Headers for COM1
The headers determine that COM1 belongs to RS-232 (Default), 422, or 485.
JSEL1
RS-232
RS-422
RS-485
1-2
3-4
5-6
JSEL2
RS-232
RS-422
RS-485
1-3
3-5
3-5
2-4
4-6
4-6
7-9
9-11
9-11
8-10
10-12
10-12
Pin Assignment
Pin Assignment
1
VGA_P5V
2
C_VGA_RED
3
VGA_5VDDCLK 4
C_VGA_GREEN
5
VGA_5VDDA
6
C_VGA_BLUE
7
VSYNC_C
8
NA
9
HSYNC_C
10 GND
