Com 2 Port (Rs232); Com 3 Port (Rs422/485 Only) - Nexcom NISE 50 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 N/A
3 SP2_TXD_R
5 GND
7 SP2_RTS#_R
9 N/A
MH1 CHASIS_GNDR3
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Pin Definition
2 SP2_RXD_R
4 N/A
6 N/A
8 SP2_CTS#_R
MH2 CHASIS_GNDR2

COM 3 Port (RS422/485 Only)

Connector type: DB-9 port, 9-pin D-Sub
Connector location: CN3
1 5
6
RS485
Pin Definition
1 DATA-
2 DATA+
3 NC
4 NC
5 GND
6 NC
7 NC
8 NC
9 NC
MH1 CHASIS_GNDR4
MH2 CHASIS_GNDR3
NH1 NA
NH2 NA
20
9
RS422
Pin Definition
1 TX-
2 TX+
3 RX+
4 RX-
5 GND
6 RTS-
7 RTS+
8 CTS+
9 CTS-
MH1 CHASIS_GNDR4
MH2 CHASIS_GNDR3
NH1 NA
NH2 NA
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