User`s manual

AIMB-240 Series
36 AIMB-240 Series User’s Manual
2.4.5 Serial Port Header (COM 3/4/5/6)
* Default
Com # Define Pin Pin Define Com #
DDCD3# 1 2 DDSR3#
RRXD3 3 4 RRTS3#
TTXD3 5 6 CCTS3#
DDTR3# 7 8 RRI3#
COM3
GND 9 10 GND
COM3
DDCD4# 11 12 DDSR4#
RRXD4 13 14 RRTS4#
TTXD4 15 16 CCTS4#
DDTR4# 17 18 RRI4#
COM4
GND 19 20 GND
COM4
DDCD5# 21 22 DDSR5#
RRXD5 23 24 RRTS5#
TTXD5 25 26 CCTS5#
DDTR5# 27 28 RRI5#
COM5
GND 29 30 GND
COM5
DDCD6# 31 32 DDSR6#
RRXD6 33 34 RRTS6#
TTXD6 35 36 CCTS6#
DDTR6# 37 38 RRI6#
COM6
GND 39 40 GND
COM6