Sirius 800 www.snellgroup.com Nucleus Advanced Functions and Upgrades
Issue 1 Rev 1 Page 140 © 2014 Snell Limited
10.6 Nucleus 2450 Finding and Changing the IP Address
The Nucleus controller IP address and network connection information can be found in the
Network.ini file on the Compact Flash card on the Nucleus controller, Fig 79. The Network.ini
can be opened by using a text editor such as Microsoft Notepad. See the Workbench user
manual for details of the contents of the Network.ini file.
1. Ensure the Nucleus Controller card to be removed is idle:
2. If the Nucleus controller to be removed is Active (see Table 25.) press the reset button
on it (Fig 79.) and the Active and Idle Nucleus controllers will swap over.
3. Remove the Idle Nucleus controller card.
4. Remove the Compact Flash memory card from the Nucleus controller and insert it into
a card reader.
5. Plug the card reader into your computer and view the files on the memory card.
6. Open the Network.ini file using a text editor such as Microsoft Notepad.
7. Make a note of the IP address information or change it if required. Make a note of any
changes made to the IP address information.
8. If you changed the IP address information Save the Network.ini file.
9. Close the Network.ini file and if you are prompted to save changes click No unless the
IP address information was changed and not saved in the previous step.
10. Eject the Compact flash card from your computer and remove the Compact flash
card.
11. Insert the Compact flash card back in the Nucleus controller.
12. Replace the Nucleus controller in the router and it will reboot.
13. Repeat if you need the IP Address information for the other Nucleus controller or if
you need to change its IP address information.
Nucleus
Controller
LED Number/Color LED Number/Color
2450
LED D4:
Idle = Purple
Active = Blue
LED D16:
Idle = Flashing Red
Active = Flashing Green
Table 25. Nucleus 2450 Active/Idle LED Status
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