
Backup power systems
About backup power
The 9927 Distributed Base Station Outdoor Cabinet with integrated power requires a
backup power system (a battery system) that can provide power to the cabinet in the event
of a power failure.
Battery backup options
The following table provides battery backup options for the 9927 Distributed Base Station
Outdoor Cabinet. The cabinet is not equipped with internal batteries.
Battery options
Description
60ECv2 battery
cabinet
Battery backup is provided by up to two 60ECv2 battery cabinets.
Supported battery cabinets
This topic describes the 60ECv2 battery cabinet.
60ECv2 battery cabinet
The 60ECv2 Battery Cabinet provides -48 VDC battery backup for the 9927 Distributed
Base Station Outdoor Cabinet.
One or two 60ECv2 battery cabinets can be connected to the 9927 Distributed Base
Station Outdoor Cabinet. The batteries are charged by the rectifier module inside the 9927
Distributed Base Station Outdoor Cabinet. Shelf heaters heat the batteries in cold weather.
The shelf heaters are controlled by temperature sensors inside the battery cabinet.
For information on how to install the 60ECv2 battery cabinet refer to the
Installation
Instructions Interface Kit for Standard Attachment of 60ECv2 Battery Cabinet to 9927
Distributed cabinets,
CC 109-779-678.
Electrical power requirements for 9927 Distributed Base
Station Outdoor Cabinet
Power overview
Backup power systems
....................................................................................................................................................................................................................................
....................................................................................................................................................................................................................................
8-4
Alcatel-Lucent – Proprietary
Use pursuant to applicable agreements
9927 Dist BTS Outdoor
401-703-516
Issue 1
March 2012