NB3000-Line-Hd User Manual 4.2
3.4.10. Extension Connector
Available Options
The NB3000-Line-Hd has an M12 extension connector with 8 pins. The 8 pins are split into
two logical ports: Pins 1 to 4 represent Extension Port 1 (EP1) and pin 5 to 8 represent Ex-
tension Port 2 (EP2). On both EP1 and EP2 the following interfaces may be present:
• Non-isolated RS-232 (Default configuration on EP1)
• Audio (Option A)
• CAN (Option C)
• IBIS (Option I)
• Isolated RS-485 (Option Sa)
• Isolated RS-232 (Option Sb)
Pin
Signal
Pinning
1
EP1 - Pin 1
2
EP1 - Pin 2
3
EP1 - Pin 3
4
EP1 - Pin 4
5
EP2 - Pin 1
6
EP2 - Pin 2
7
EP2 - Pin 3
8
EP2 - Pin 4
Table 3.19.: Pin Assignments of Digital Inputs and Outputs
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