Installing The Option Module; Placement Of The Option Module - ADTRAN DUAL Nx56/64 1200142L1# User Manual

Chapter 2. Installation

INSTALLING THE OPTION MODULE

Placement of the Option Module

TSU/TDU/ESU
UNIT
2-2
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.
Cover Plate
Option Module
Figure 2-1. Installing the Option Module
Dual Nx56/64 Option Module User Manual 61200142L1-1