Strata CTX Configuration
1-32
Strata CTX I&M September 2002
Determine CTX670 system miscellaneous power components in the following worksheet. (See Tables
1-26 and 1-29 for component descriptions.) These components are not used on CTX100 systems.
Enter the number of cabinet power components needed:
Reserve Power (CTX100 and CTX670)
Two or four customer-supplied 12VDC reserve batteries (80 ampere-hours max.) can be connected to
either system to maintain normal operation during a power failure (see Tables 1-24~1-27). The
batteries are kept in a highly-charged state by the power supply’s battery charger and must be
connected when the system is operating normally. Fully charged batteries must be connected when
normal AC power is available, batteries cannot be connected after/during an actual power failure.
Main Location ____________ Remote Location 1___ 2___ 3___ 4____5___ 6____
CTX670 Cabinet Power
Components
Enter the Number
Required
Spare Power Supply BPSU672
AC Power Strips RPSB2
BPSB240
208/240VAC Power Supply
Cord
BACL240
Battery Cables PBTC-3M
BBTC1A-2.0M
Battery DIstribution Box BBDB
Conduit Box BCCB120
BCCB240
Floor Mount Stand BFIF
Table 1-24 CTX100 Reserve Power Characteristics
Battery Charger Characteristics Maximum Battery Charger Drain (-24VDC)
Charger: current limiting
Nominal float voltage: 2.275 volts/cell
Charge current: 280mA amps maximum
Battery discharge cut-off voltage: 20.5
±
0.5VDC
Base Cabinet
Base + Expansion Cabinets
3.15 amps
6.30 amps
Table 1-25 CTX100 Typical Reserve Power Duration Estimates
1
1. Assumes 80 ampere-hours with 12VDC batteries.
Number of Cabinets 1 2
Estimated operation time Two-battery
configuration
25 hr. 12.5 hr.
Estimated operation time Four-battery
configuration
50 hr. 25 hr.
DC Current Drain (-24VDC) 3.15
amps.
6.30
amps.
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