MSI Fuzzy User Guide - Page 31
Serial Port Connector: J2
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Hardware Setup Serial Port Connector: J2 The J2 is a RS232/422/485 COM port pinheader that connects to serial devices. J2 RS232 RS422 RS485 2 26 COM2 X V V 1 25 COM3 X V V COM4 V X X COM5 V X X V = supported X = not supported Serial Port Bracket (Optional) COM2 COM3 COM4 COM5 Connect to J2 J2 Pin Definition Voltage Select Serial Port PIN SIGNAL 1 422 RXD1# N/A 3 COM2 5 422 RXD1 422 TXD1 7 422 TXD1# 9 GND 11 NDCD3# 13 NSIN3 JCOMP4 COM4 15 NSOUT3 (page 2-17) 17 NDTR3 19 NDSR3# 21 NRTS3 23 NCTS3# 25 0V/5V/12V PIN SIGNAL 2 422 RXD2# 4 422 RXD2 6 422 TXD2 8 422 TXD2# 10 GND 12 NDCD4# 14 NSIN4 16 NSOUT4 18 NDTR4 20 NDSR4# 22 NRTS4 24 NCTS4# 26 0V/5V/12V Serial Port Voltage Select COM 3 N/A COM5 JCOMP5 (page 2-17) 2-13
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2-13
Hardware Setup
Serial Port Connector: J2
The J2 is a RS232/422/485 COM port pinheader that connects to serial devices.
Connect to J2
Serial Port Bracket
(Optional)
COM2
COM3
C
O
M
4
C
O
M
5
RS232
RS422
RS485
COM2
X
V
V
COM3
X
V
V
COM4
V
X
X
COM5
V
X
X
V
= supported
X
= not supported
J2
1
25
2
26
PIN
SIGNAL
PIN
SIGNAL
1
422 RXD1#
2
422 RXD2#
3
422 RXD1
4
422 RXD2
5
422 TXD1
6
422 TXD2
7
422 TXD1#
8
422 TXD2#
9
GND
10
GND
11
NDCD3#
12
NDCD4#
13
NSIN3
14
NSIN4
15
NSOUT3
16
NSOUT4
17
NDTR3
18
NDTR4
19
NDSR3#
20
NDSR4#
21
NRTS3
22
NRTS4
23
NCTS3#
24
NCTS4#
25
0V/5V/12V
26
0V/5V/12V
J2 Pin Definition
COM2
COM3
COM4
COM5
Voltage Select
Serial Port
Serial Port
Voltage Select
N/A
JCOMP4
(page 2-17)
N/A
JCOMP5
(page 2-17)