Copyright © 2015 NEXCOM International Co., Ltd. All Rights Reserved.
17
NISE 3720E Series User Manual
Chapter 2: Jumpers and Connectors
COM 1 and COM 2 Ports
Connector type: DB-9 port, 9-pin D-Sub
2x10 20-pin header, 1.25mm pitch
Connector location: CN3
COM 1
COM 2
Pin
Definition
Pin
Definition
1
COM_DCD#1
2
COM_RXD1
3
COM_TXD1
4
COM_DTR#1
5
GND
6
COM_DSR#1
7
COM_RTS#1
8
COM_CTS#1
9
COM_RI#1_T
10
COM_DCD#2
11
COM_RXD2
12
COM_TXD2
13
COM_DTR#2
14
GND
15
COM_DSR#2
16
COM_RTS#2
17
COM_CTS#2
18
COM_RI#2
MH1
Chassis_GND
MH2
Chassis_GND
MH3
Chassis_GND
MH4
Chassis_GND
1
6
5
9
10
15
14
18