Table of Contents
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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 912 User Manual
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