User's Manual Part 1

RBS 2109 User’s Guide
3
Ensure that the protective earth
is properly connected.
P010181A
L L
L = Line
PE = Protective Earth
PE
4
If DC is not to be connected, put back the MBU cover onto the MBU.
5.4.4.2 Connecting DC Supply
This section describes how to connect the DC supply cable (if applicable).
1
Ensure that the site power is turned off.
2
Connect the DC cable to the
dedicated terminals. If 2-wire is
used, set the ground selector to
2-W.
P010511B
PE = Protective Earth
PE
48 V 48 V_RTN
2-W
5
2
E
N/LZT 720 0090 Uen R1A 2004-09-17