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18
NISE 50C/50C-H User Manual
Chapter 2: Jumpers and Connectors
COM 2 Port (RS232)
Connector type: DB-9 port, 9-pin D-Sub
Connector location: CN2
COM 3 Port (RS232)
Connector type: DB-9 port, 9-pin D-Sub
Connector location: CN1
Pin
Definition
Pin
Definition
1
N/A
2
SP2_RXD_R
3
SP2_TXD_R
4
N/A
5
N/A
6
N/A
7
N/A
8
N/A
9
N/A
MH1
CHASIS_GNDR
MH2
CHASIS_GNDR
Pin
Definition
Pin
Definition
1
N/A
2
SP3_RXD_R
3
SP3_TXD_R
4
N/A
5
N/A
6
N/A
7
N/A
8
N/A
9
N/A
MH1
CHASIS_GNDR
MH2
CHASIS_GNDR
1
6
5
9
1
6
5
9