User manual
Chapter 2. Installation
61200105L3-1A E&M+ Dual Voice Option ModuleUser Manual 2-3
Placement of the Option Module
The following steps and Figure 2-1 describe the proper placement
of the E&M+ voice module.
1. Remove cover plate from the TSU 100/120/600 rear panel.
2. Slide the E&M+ voice module into the rear panel until it is
positioned firmly against the front of the TSU 100/120/600.
3. Fasten the thumbscrews at both edges of the E&M+ voice
module.
Figure 2-1. Installing the Option Module
Power Connection
Each E&M+ voice module derives power from the TSU 100/120/
600 unit. (Power to the TSU 100/120/600 is supplied by a captive
eight-foot power cord.)
TSU
UNIT
Option Module
Cover Plate
DUAL E&M
PORT X.3/X.4
PORT X.1
PORT X.2