Serial interface (com 1 - com 4) – NEXCOM NISE 3600E User Manual
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Copyright © 2012 NEXCOM International Co., Ltd. All Rights Reserved.
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NISE 3600E Series User Manual
Chapter 2: Jumpers and Connectors
Serial Interface (COM 1 - COM 4)
Connector type: 44-pin D-Sub, 2x22 (12.55mm x 53.04mm)
Connector location: CN2
Pin
Definition
Pin
Definition
1
COM1_DCD
2
COM1_RXD
3
COM1_TXD
4
COM1_DTR
5
GND
6
COM1_DSR
7
COM1_RTS
8
COM1_CTS
9
COM1_RI
10
GND
11
COM2_DCD
12
COM2_RXD
13
COM2_TXD
14
COM2_DTR
15
GND
16
COM2_DSR
17
COM2_RTS
18
COM2_CTS
19
COM2_RI
20
GND
21
COM3_DCD
22
COM3_RXD
23
COM3_TXD
24
COM3_DTR
25
GND
26
COM3_DSR
27
COM3_RTS
28
COM3_CTS
29
COM3_RI
30
GND
31
COM4_DCD
32
COM4_RXD
33
COM4_TXD
34
COM4_DTR
35
GND
36
COM4_DSR
37
COM4_RTS
38
COM4_CTS
39
COM4_RI
40
GND
41
NC
42
NC
43
NC
44
NC
MH1
GND
MH2
GND
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.
COM port
1
6
5
9
DB44
COM1, COM2, COM3, COM4
COM1
RS232
COM2
RS232, RS422, RS485
COM3
RS232
COM4
RS232