Connector pin definitions, External i/o interfaces - front panel, Com1 and com2 ports – NEXCOM NISE 4000P4E User Manual
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NISE 4000P4E User Manual
Chapter 2: Jumpers and Connectors
Connector Pin Definitions
External I/O Interfaces - Front Panel
COM1 and COM2 Ports
Connector type: 2x10 20-pin terminal block
Connector location: J1
1
10
11
20
RS232
RS422
RS485
Pin
Definition
Pin
Definition
Pin
Definition
11
SP2_DCD
1
SP2_DATA-
1
SP2_TX-
12
SP2_RXD
2
SP2_DATA+
2
SP2_TX+
13
SP2_TXD
3
NA
3
SP2_RX+
14
SP2_DTR
4
NA
4
SP2_RX-
15
GND
5
GND
5
GND
16
SP2_DSR
6
NA
6
NA
17
SP2_RTS
7
NA
7
NA
18
SP2_CTS
8
NA
8
NA
19
SP2_RI
9
NA
9
NA
20
GND
RS232
RS422
RS485
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
NA
3
SP1_RX+
4
SP1_DTR
4
NA
4
SP1_RX-
5
GND
5
GND
5
GND
6
SP1_DSR
6
NA
6
NA
7
SP1_RTS
7
NA
7
NA
8
SP1_CTS
8
NA
8
NA
9
SP1_RI
9
NA
9
NA
10
GND
COM1 Connector Pin Definition
COM2 Connector Pin Definition