NEXCOM NISE 3520 User Manual
Page 33

Copyright © 2013 NEXCOM International Co., Ltd. All Rights Reserved.
20
Chapter 2: Jumpers and Connectors
NISE 3520 Series User Manual
Serial Interface (COM 1 - COM 4)
Connector type: 44-pin D-Sub, 2x22 (12.55mm x 53.04mm)
Connector location: CN2
1
16
31
15
30
44
The 44-pin D-Sub connector is used to connect 4 external serial devices.
Use the COM ports on the provided “DB44 to 4x DB9 COM port cable”
(included in the package) to connect the devices.
44-pin D-Sub
6
1
5
9
COM port
Pin
Definition
Pin
Definition
1
CN10_1
2
CN10_2
3
CN10_3
4
CN10_4
5
GND_COM
6
CN10_6
7
CN10_7
8
CN10_8
9
CN10_9
10
GND
11
CN10_11
12
CN10_12
13
CN10_13
14
CN10_14
15
GND_COM
16
CN10_16
17
CN10_17
18
CN10_18
19
CN10_19
20
GND_COM
21
CN10_21
22
CN10_22
23
CN10_23
24
CN10_24
25
GND_COM
26
CN10_26
27
CN10_27
28
CN10_28
29
CN10_29
30
GND_COM
31
CN10_31
32
CN10_32
33
CN10_33
34
CN10_34
35
GND_COM
36
CN10_36
37
CN10_37
38
CN10_38
39
SP4_RI_TI
40
GND_COM
41
NC
42
NC
43
NC
44
NC
MH1
GND_COM
MH2
GND_COM