
FM 3180 Installation Guide
29
Adding Module #3 to a Two-Module Fabric
You have an existing fabric with five FM 3180 fabric modules. You want to add another FM 3180 to
make it a fabric of six. To add the fabric module, you need to shift six existing connections and add three
more cables.
To cable a 3rd fabric module added to a 2-module fabric, follow these steps in sequence to move and add
cables:
Cable Connection
Steps to accomplish
Module 2 55 to Module 3 56
1. Unplug Module 1 56
2.
Plug the freed end
into
Module 3
56
Module 1 53 to Module 3 54
3.
Unplug Module 2
54
4.
Plug freed end
into Module 3 54
Module 2 51 to Module 3 52
5.
Unplug Module 1 52
6.
Plug freed end into Module 3 52
Module 3 51 to Module 1 52
7.
Plug Module 3 51 to Module 1 52
Module 3 53 to Module 2 54
8.
Plug Module 3 53 to Module 2 54
Module 3 55 to Module 1 56
9.
Plug Module 3 55 to Module 1 56