Reference Manual

Table Of Contents
Product Data
5.3.1 AC Mains Power Connection
There are two ways to connect power to the base station. They are:
Single phase line to neutral.
Single phase line to line.
Single Phase Line to Neutral
RBS
interface
RBS
L
AC Distribution box
P007349A
N
Circuit breaker
Figure 26 Power connection, L1-N (120 - 250 V AC)
One circuit breaker per PSU is required.
Single Phase Line to Line
P007350A
Circuit breakers
AC Distribution box
RBS
interface
L1
L2
RBS
Figure 27 Power connection, L1-L2 (120 - 250 V AC)
Two circuit breakers per PSU are required.
AC Mains Power Requirements
AC mains power is connected to the ACCU in the cabinet using four
AC cables. The cables must be protected by a circuit breaker according
to the gures above.
If the existing power system does not meet the specied requirements,
measurements must be taken to avoid damage to the RBS and to secure
proper operation, for example by installing lters and stabilizers.
EN/LZT 720 0008 R1A
2001-06-26
81 (421)
© Ericsson Radio Systems AB
All Rights Reserved