Specifications
Chapter 2. Installation 
17 
Chapter 2. Installation 
2.1 General 
This chapter provides detailed instructions for mechanical installation of the 
ETU01-Plus. Following the completion of installation, please refer to Chapter 3 for 
operating information. 
2.2 Site Preparation 
Install the ETU01-Plus within reach of an easily accessible grounded AC outlet. 
DC power capable units connect via terminal block connection. Allow at least 10 cm 
(4 inch) clearance at the rear of the ETU01-Plus for signal lines and interface cables. 
2.3 Mechanical Assembly 
The ETU01-Plus is designed for tabletop or bench installation, and is delivered 
completely assembled. No provisions are made for bolting the ETU01-Plus to the 
tabletop. 
2.4 Electrical Installation 
2.4.1 Power connection 
AC power is supplied to the ETU01-Plus through a standard 3-prong IEC C6 
receptacle (Refer to Figure 2.1) while the DC model utilizes a three pin terminal block 
(Refer to Figure 2.2). The ETU01-Plus should always be grounded through the 
protective earth lead of the AC power cable or via Frame Ground (FG) terminal 
connection. 
2.4.2 Rear panel connectors 
T
he G.703 E1 interface connectors, located on the rear panel of the ETU01-Plus, 
incorporate two BNC Coax and an RJ-45 connectors. (Appendix B provides detailed 
information on the various interface connectors). 
Figure 2.1 ETU01-Plus rear panel AC 
Figure 2.2 ETU01-Plus rear panel DC 










