Install Reserve Power - Toshiba strata CT Installation & Maintenance Manual

Strata CT Installation
Step 5: Install Reserve Power
H
Table 2-4
Number of Cabinets
Estimated operation time
Two-battery configuration
Estimated operation time
C
Four-battery configuration
WARNING!
2-22
Two or four customer-supplied, 12VDC batteries (80 amp hours maximum) can be connected
to the system as a power failure backup. In the event of a power failure, the system
automatically switches over to battery power without any interruption to existing calls or
other normal system functions.
Important! Batteries must be connected when normal AC power is available; they cannot
be connected during an AC power failure situation.
The length of time reserve power operates depends on the system, size and number of
batteries provided, and the system load. Typical reserve power duration estimates and battery
specifications are estimated with the following considerations (see
N
Batteries have full charge at start of operation.
N
Two or four batteries connected per
N
Batteries are 12VDC, rated at 80 amp/hours each.
N
System is operating at full load traffic with LCD phones.
N
Batteries used for this test are gel-cell and maintenance-free. Reserve duration will vary
depending upon battery type, age, and manufacturer. These figures should only be used
as an estimate.
Typical Reserve Power Duration Estimate
Some batteries can generate explosive gases. Therefore...
Ensure that batteries are located in a well-ventilated area.
Do not smoke near batteries.
Avoid creating any electrical sparks near batteries.
Use commercially available battery enclosures to reduce risk to nearby
people and equipment.
The procedure for installing reserve power varies, depending on the number of cabinets in the
system and the mounting method employed in installing the cabinets. The following text
details reserve power battery installation requirements.
Figure 2-14.
1 2
12 hrs. 6 hrs.
24 hrs. 12.0 hrs
Table 2-4):
3 4
4 hrs. 3 hrs.
8 hrs 6 hrs.
Strata CT I&M Manual October 2000
5
2.5 hrs.
5 hrs.