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A.18
COM port 1/2/3/4 connector (CN19)
Description: BOX HEADER 20*2P 180D (M) 2.0 mm SMD W/O Pb
Pin
1
3
5
7
9
11
13
15
17
19
21
23
25
27
29
31
33
35
37
39
A.19
Front panel connector (CN20)
Description: PIN HEADER SMD 5*2P 180D (M) 2.0 mm
Pin
1
3
5
7
9
PCM-9590 User Manual
Signal
COM1_DCD#
COM1_RX
COM1_TX
COM1_DTR#
GND
COM2_DCD#
COM2_RX
COM2_TX
COM2_DTR#
GND
COM3_DCD#
COM3_RX
COM3_TX
COM3_DTR#
GND
COM4_DCD#
COM4_RX
COM4_TX
COM4_DTR#
GND
Signal
HDD LED +
Power LED +
Suspend LED
GND
GND
Pin
Signal
2
COM1_DSR#
4
COM1_RTS#
6
COM1_CTS#
8
COM1_RI#
10
GND
12
COM2_DSR#
14
COM2_RTS#
16
COM2_CTS#
18
COM2_RI#
20
GND
22
COM3_DSR#
24
COM3_RTS#
26
COM3_CTS#
28
COM3_RI#
30
GND
32
COM4_DSR#
34
COM4_RTS#
36
COM4_CTS#
38
COM4_RI#
40
GND
Pin
Signal
2
HDLED
4
GND
6
GND
8
PANSWIN
10
Reset
66
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