Chapter 2. Installation
2-2 Dual Nx56/64 Option Module User Manual 61200142L1-1
INSTALLING THE OPTION MODULEPlacement of the Option Module
Figure 2-1 shows the proper placement of the option
module. Perform the following steps to install the option
module:
1. Remove the cover plate from the TSU/TDU/ESU
unit rear panel.
2. Slide the option module into the rear panel of the
TSU/TDU/ESU unit until it is positioned firmly
against the front of the unit.
3. Fasten the thumbscrews at both edges of the option
module.
Figure 2-1. Installing the Option Module
TSU/TDU/ESU
UNIT
Option Module
Cover Plate