Wirnet iBTS
Document title : Installation and
Maintenance Manual
Version : 2.0
Author : SNI
Date : 04/12/2018
Classification
This document is the strict property of Kerlink and shall not be either copied nor sent without express
written authorization of Kerlink
Internal Use
Kerlink m2m technologies reserved rights
Confidential
Kerlink – 1 rue Jacqueline Auriol – 35235 THORIGNÉ-FOUILLARD
Page 111 / 221
Strict confidential
Figure 71 : DC surge protection 1 pole schematic
An example of connections is described below, while the DC surge protection is integrated in
the Compact casing :
Figure 72 : Example of DC surge protection cabling
48V
Wirnet iBTS
DC/DC
Isolated
48V
Unipolar
DC surge protection
DC surge protection
(CITEL DS71R-48DC)
Power supply cable
(1.5 sq. mm)
Positive signal
(1.5 sq. mm)
Negative signal
(1.5 sq. mm)
Main grounding wire
(1.5 sq. mm)
Negative
connector
terminal to ground
(1.5 sq. mm)