NEXCOM NISE 101 - Manual (Page 24)

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Chapter 2: Jumpers and Connectors
NISE 101 User Manual
COM 2 – RS232/422/485 Mode Select
Connector type: 3x4 12-pin header
Connector location: J1
1 3
10 12
Pin Definition
1-2, 4-5, 7-8, 10-11 RS232 (default)
2-3, 5-6, 8-9, 11-12 RS422/485
COM 2 – RS232/422/485 Mode Select
Connector type: 2x3 6-pin header
Connector location: J2
1
2
3
4
5
6
Pin Definition
1-2 RS232 (default)
3-4 RS422
5-6 RS485