Configuring the Service Port

Introduction

The 140NOC78000 head module includes a service port that can be configured to support 2 functions:

Access Port: If you configure the service port as access port, you can connect an Ethernet device (example: an HMI or a PC with Control Expert software or a PC with ConneXium Network Manager software) to this port, and communicate with the CPU/PLC, the 140NOC78000 head module itself, or access other devices connected to the network.
Port Mirroring: If you configure the service port for port mirroring, you can connect to this port via a PC and sniff (using Ethereal, WireShark, etc.) the traffic that is travelling through the other ports including the Ethernet port, the internal port, that is connected to the CPU.

NOTE: You can also configure the service port online via Control Expert using CIP explicit messaging, but this configuration may be lost when the 140NOC78000 head module is reset.

The Service Port page, when configured as an Access Port, looks like this:

The Service Port page, when configured for Port Mirroring, looks like this:

Displaying the Service Port Page

To display the Service Port page:

Step	Action
1	Click Services in the navigation tree in the left panel of the Device Editor. Result: The Services page opens.
2	In the Services page, set the Service Port field to Enabled. Then click Apply or OK. Result: The Service Port page appears in the navigation tree.
3	Click Service Port in the navigation tree, and set the Service Port Mode to one of the following: Access Port Port Mirroring
4	Click Apply to save changes or click OK to save changes and close the window.

Service Port Page Properties

The following properties can be viewed and edited in the Service Port → Access Port page:

Property	Description
Access Port Configuration:
ETH 1	This port is always set to Enabled and cannot be edited.
Port Mirroring Configuration:
Internal Port	These ports are disabled.
ETH 2
ETH 3
ETH 4

The following properties can be viewed and edited in the Service Port → Port Mirroring page:

Property	Description
Access Port Configuration:
ETH 1	This port is always set to Enabled and cannot be edited.
Port Mirroring Configuration:
Internal Port	To enable these ports, click Yes in the Enabled field. To disable these ports, click No in the Enabled field.
ETH 2
ETH 3
ETH 4