
28
FM 3180 Installation Guide
Adding Module #4 to a Three-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 4
th
fabric module added to a 3-module fabric, follow these steps in sequence to move and add
cables:
Cable Connection
Steps to accomplish
Module 1 55 to Module 4 56
1. Unplug Module 2 56
2.
Plug the freed end
into
Module 4
56
Module 2 53 to Module 4 54
3.
Unplug Module 1
54
4.
Plug freed end
into Module 4 54
Module 3 55 to Module 2 56
5.
Unplug Module 1
56
6.
Plug freed end into Module 2
56
Module 3 51 to Module 4 52
7.
Unplug Module 1 52
8.
Plug freed end into Module 4 52
Module 3 53 to Module 1 54
9.
Unplug Module 2 54
10.
Plug freed end into Module 1 54
Module 3 55 to Module 2 56
11.
Unplug Module 1 56
12.
Plug freed end into Module 2 56
Module 4 51 to Module 1 52
13.
Plug Module 4 51 to Module 1 52
Module 4 53 to Module 2 54
14.
Plug Module 4 53 to Module 2 54
Module 4 55 to Module 3 56
15.
Plug Module 4 55 to Module 3 56