Toshiba Strara CTX Series Installation And Maintenance Manual page 83

B101 B102
24V Circuit Breaker Assignments:
Base Cabinet
24V-1 S101, S102
24V-2 S103, S104
24V-3 S105, S106
24V-4 S107, S108
Power Factor (PF) alarm LED indicates
the cabinet PF was exceeded. Correct
the problem and press the RESET
button to clear the alarm.
DC Voltage Specification
+5V (+4.5 ~ +5.5), 4.0 amps
-5V (–4.5 ~ –5.5), 0.8 amps
Expansion Cabinet only
-24V (–26.3 ~ –27.8), 6.0 amps
1. Back Plane DC Voltage Plug must be plugged
into Power Supply when checking voltages.
2. On BPSU672, the BATT output is 0 volts
unless connected to good batteries.
DC Voltage Connector Plug Pin Wires
Yellow Blue
-24 -5
Yellow Yellow
-24 -24
Figure 3-3 Power Supply Installation
Strata CTX I&M September 2002
Cabinet Support Post
S101 S102 S103 S104 S105 S106
Wire Clamp
Green/Green yellow wire
fastened with FG Screw
EXP. Cabinet
24V-1 S_01, S_02
24V-2 S_03, S_04
24V-3 S_05, S_06, S_07
24V-4 S_08, S_09, S_10
BATT (Volts)
+
0
–
–26.3 ~ –27.8
White Green Green
+5 0 0
Yellow Green Green
-24 0 0
Back Plane DC Voltage Connector
Back Plane DC Voltage Cable/Plug
DC OUT
-27V1
-27V2
-27V3
-27V4
POW
+5V AC IN
-5V
P.F.
POWER
RESET
ON
EXP
BASE
OFF
FG
S107 S108
DC OUT
POW
+5V
-5V
P.F.
RESET
EXP
BASE
FG
2
Expansion/
Base Switch
Green Red
0 +5
Green Red
0 +5
Strata CTX670 Installation
BATT
+
-
5039
Mounting Holes
DC Voltage
Connector Jack
Battery Cable
-24V1
Connector
-24V2
BATT
+
-24V3
-
-24V4
AC IN AC Power
Cord Jack
POWER
ON
OFF
FG Frame
Ground Screws
3-9