Isolated com1 and com2 connector, Remote power on/off switch – NEXCOM NIFE 100 User Manual
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NIFE 100/101 User Manual
Chapter 2: Jumpers and Connectors
Isolated COM1 and COM2 Connector
Connector type: 2x10 20-pin terminal block
Connector location: CN2
COM2
COM1
1
11
20
10
RS232
RS485
RS422
Pin
Definition
Pin
Definition
Pin
Definition
1
SP1_DCD
1
SP1_DATA-
1
SP1_TX-
2
SP1_RXD
2
SP1_DATA+
2
SP1_TX+
3
SP1_TXD
3
NC
3
SP1_RX+
4
SP1_DTR
4
NC
4
SP1_RX-
5
ISO_GND
5
ISO_GND
5
ISO_GND
6
SP1_DSR
6
NC
6
SP1_RTS-
7
SP1_RTS
7
NC
7
SP1_RTS+
8
SP1_CTS
8
NC
8
SP1_CTS+
9
SP1_RI
9
NC
9
SP1_CTS-
10
NC
10
NC
10
NC
RS232
RS485
RS422
Pin
Definition
Pin
Definition
Pin
Definition
11
SP2_DCD
11
SP2_DATA-
11
SP2_TX-
12
SP2_RXD
12
SP2_DATA+
12
SP2_TX+
13
SP2_TXD
13
NC
13
SP2_RX+
14
SP2_DTR
14
NC
14
SP2_RX-
15
ISO_GND
15
ISO_GND
15
ISO_GND
16
SP2_DSR
16
NC
16
SP2_RTS-
17
SP2_RTS
17
NC
17
SP2_RTS+
18
SP2_CTS
18
NC
18
SP2_CTS+
19
SP2_RI
19
NC
19
SP2_CTS-
20
NC
20
NC
20
NC
COM1
COM2