Minimum Battery Count For Power Cabinet; Outdoor Location - Motorola SC 4812ET RF Hardware Installation Manual

Site Preparation
– continued
Minimum Battery Count for
Power Cabinet
2
Table 2-5: Minimum Battery Strings Required for Sector–Carrier Configurations
# of
Battery
(3 Sector–Carriers)
Strings
0
1
2
3
4
5
6
7
8
9
10
11
12
! CAUTION
The minimum number of battery strings presented in this table must be met or reduced backup time and
inadvertant tripping of the battery system breakers could result.

Outdoor Location

42
Table 2-5 lists the number of Battery strings required for the different
sector–carrier configurations and the backup power time provide by the
various combinations.
3 Rectifiers 4 Rectifiers
(6 Sector–Carriers)
0
4.0 hrs
4.8 hrs
5.4 hrs
6.0 hrs
6.7 hrs
7.4 hrs
8.0 hrs
SC 4812ET RF and Power Cabinet Hardware Installation Manual
TM
5 Rectifiers
(9 Sector–Carriers)
0
3.5 hrs
4.0 hrs
4.5 hrs
5.0 hrs
5.5 hrs
6.0 hrs
NOTE
The backup durations presented within this table is an
estimated time based on 25 Deg C (77Deg F) battery
temperature, actual backup duration may vary with system
configuration and loading.
CAUTION
Do not select a location that is, or may be subject to
submersion (i.e., floodplains, diversion channels, etc.).
While the cabinets are well insulated from the
environment, they will not tolerate submersion.
6 Rectifiers
(12 Sector–Carriers)
0
3.6 hrs
4.0 hrs
4.4 hrs
4.8 hrs
DRAFT
0
3.3 hrs
3.6 hrs
4.0 hrs
Apr 2001