User manual

Impact-E 3x series embedded computer user manual
Page 23 of 40
CN1: COM3 – 6 Connector
NOTE:
Only COM3 can select RS-232/RS-422/RS-485
Pin1~5: COM6
,
Pin6~10: COM5, Pin11~15: COM4, Pin16~20:
COM3
CN2: DC-IN Connector (9 ~ 36V)
PIN DESCRIPTION
1 GND
2 DC IN
PSW1: SW Connector (ATX Power Switch Connector)
PIN DESCRIPTION
1 Button-
2 GND
Manual
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IT and Instrumentation for industry Amplicon.com
,
COM3
COM4
Pin No.
20
19
18
17
16
15
14
13
12
11
RS-232 RTS3# SIN3 SOUT3 CTS3# GND RTS4# SIN4 SOUT4 CTS4# GND
RS-422 TX+ TX- RX+ RX- GND
RS-485 4-wire TX+ TX- RX+ RX- GND
RS-485 2-wire DATA+ DATA- NC NC GND
COM5
COM6
Pin No.
10
9
8
7
6
5
4
3
2
1
RS-232 RTS5# SIN5 SOUT5 CTS5# GND RTS6# SIN6 SOUT6 CTS6# GND