Unit Description, ACCU-02
17 Unit Description, ACCU-02
This chapter describes the AC Connection Unit for RBS 2106 (ACCU-
02). ACCU-02 distributes and supervises the incoming AC mains to the
units in the RBS cabinet.
ACCU-02 consists of two units, a Connection Unit and a Distribution
Unit. The units are connected together with a power cable and a signal
cable.
17.1 Block Diagram
Service outlet
Climate Unit
PSU 1
PSU 2
PSU 3
PSU 4
EPC BUS
Distribution
Unit
+24V DC AUX
+24V DC
Internal light
EMC
filter
Overvol-
tage
protection
Mains
Switch
Connection Unit
Control
Board
AC Mains
+24/-48V DC
P008483A
==
=
Figure 111 Block diagram of ACCU-02
Connection Unit
The Connection Unit consists of:
• Main Switch
• Overvoltage protectors
• EMC filter
Distribution Unit
The Distribution Unit consists of:
• Four outlets for PSUs, protected by 16 A circuit breakers
EN/LZT 720 0008 P2A
2001-11-28
199 (485)
© Ericsson Radio Systems AB
— All Rights Reserved —
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