ATXP-965Q Technical Reference
Appendix C – Pin-Outs
Chassis Plans
57
Appe n dix C
Pin - Ou t s
How to identify pin number 1: Looking to the solder side (The board side with fewer components) of
the PCB (Printed Circuit Board), pin number 1 will have a square pad
J
. All the other pins will have
a circular pad
Q
.
COM1
The pin assignment is as follows:
PIN
ASSIGNMENT
RS-232 RS-485
RS-422
1 COM1_DCD# TX-
TX-
2 COM1_RX
TX+ TX+
3 COM1_TX
RX+ RX+
4 COM1_DTR# RX- RX-
5 GND
GND GND
6 COM1_DSR# GND RTS-
7 COM1_RTS# GND RTS+
8 COM1_CTS# GND CTS+
COM2
The COM2 is fixed as RS-232. When selecting IR, the pins from this connector will be routed to J22.
The pin assignment is as follows:
PIN ASSIGNMENT
COM 2
1 COM2_DCD#
2 COM2_RX
3 COM2_TX
4 COM2_DTR#
5 GND
6 COM2_DSR#
7 COM2_RTS#
8 COM2_CTS#
9 COM2_RI#
Содержание ATXP-965Q
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