User guide

Magnum N270 Installation
Page | 16
Serial Port COM2
Pin
Description
Pin
Description
1
DCD / 422TX- / 485-
2
RXD / 422TX+ / 485+
3
TXD / 422RX+
4
DTR / 422RX-
5
GND
6
DSR
7
RTS
8
CTS
9
RI
10
N/C
Figure 8: COM2
Note: Connector Type: 10-pin (5 x 2) 1.27mm x 2.54mm-pitch header
GPIO Interface
Pin
Description
Pin
Description
1
Ground
2
Ground
3
GP0
4
GP4
5
GP1
6
GP5
7
GP2
8
GP6
9
GP3
10
GP7
11
VCC
12
+12V
Figure 9: DIO
Note Connector Type 12-pin (6 x 2) 2.0mm-pitch header
USB
Pin
Description
Pin
Description
1
VCC
2
VCC
3
Data0-
4
Data1-
5
Data0+
6
Data1+
7
Ground
8
Ground
9
Ground
10
N/C
Figure 10: USB
Note Connector Type: 10-pin (5 x 2) 2.54mm-pitch header
Infra Red (IR)
Pin
Description
1
VCC
2
N/C
3
IRRX
4
Ground
5
IRTX
Figure 11: IR
Note Connector type: 5-pin (5 x 1) 2.54mm-pitch header