Com 2 Port (Rs232); Com 3 Port (Rs422/485 Only) - Nexcom NISE 51 User Manual

Chapter 2: Jumpers and Connectors

COM 2 Port (RS232)

Connector type: DB-9 port, 9-pin D-Sub
Connector location: COM2
1 5
6 9
Pin Definition
1 SP2_DCD#
3 SP2_TXD
5 GND
7 SP2_RTS#
9 SP2_RI#
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Pin Definition
2 SP2_RXD
4 SP2_DTR#
6 SP2_DSR#
8 SP2_CTS#

COM 3 Port (RS422/485 Only)

Connector type: DB-9 port, 9-pin D-Sub
Connector location: COM3
1 5
6
RS485
Pin Definition
1 DATA-_R
2 DATA+_R
3 NC
4 NC
5 GND
6 NC
7 NC
8 NC
9 NC
17
9
RS422
Pin Definition
1 TX-_R
2 TX+_R
3 RX+_R
4 RX-_R
5 GND
6 RTS-_R
7 RTS+_R
8 CTS+_R
9 CTS-_R
NISE 51 User Manual