Connector Pin Definitions; Com1 Rs485 Mode; Com1 Rs422 Mode - Nexcom 912P User Manual

Chapter 2: Jumpers and Connectors

Connector Pin Definitions

COM1 RS485 Mode

Connector type: DB-9 port, 9-pin D-Sub
Connector location: COM1
1 5
6 9
Pin Definition
1 RS485 D- (B)
2 RS485 D+ (A)
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COM1 RS422 Mode

Connector type: DB-9 port, 9-pin D-Sub
Connector location: COM1
1 5
6
Pin Definition
1 RS422 TX(B)
2 RS422 TX(A)
3 RS422 RX(A)
4 RS422 RX(B)
12
9
NEX 912P User Manual