Toshiba STRATA DK14 Installation And Maintenance Manual page 622

Fault Finding
DK424 RPSU280 Power Supply Test
R11 PCTU S11
S13 S14
DC VOLTAGE PINS
Red
Wire
+5VDC
Green
Wire
0VDC
–5VDC (+4.5 ~ +5.5)
–5VDC (–4.5 ~ –5.5),
Expansion Cabinet only
–24VDC (–26.3 ~ –27.8)
*RPSU424 "BATT" is 0 volt unless connected to good batteries.
Figure 14-2 RPSU280 Power Supply Voltage Test Points / Circuit Breakers / Jumper Plugs
14-6
DC Out Cable/connector
S12
S15 S16
R11 RCTU S11
No Blue White
Wire Wire Wire
0VDC –5VDC +5VDC
Green Yellow Yellow
Wire Wire Wire
0VDC –24VDC –24VDC
DC VOLTAGE SPECIFICATION
BATT (VDC)
+
–
S12 S13 S14 S15
–24VDC
Circuit
Breakers
Green
Wire
0VDC
24VDC Circuit Breaker
Assignments:
Yellow
Wire
BASE CABINET
24V-1
–24VDC
24V-2
24V-3
EXP. CABINET
24-1 SX1, SX2
0
24-2 SX3, SX4, SX5
–26.3 ~ –27.8*
24-3 SX6, SX7, SX8
Power Indicator LEDs (Green)
DC OUT
1 POWER
-24V 2 +5V
3 -5V
DKSUB
DKSUE
+
BATT
-
ON
OFF
AC IN
FG
S16
FG Wire
ON/OFF Switch
and
Spade Lug
Third Wire Ground or
Power Supply Daisy Chain
Ground to Next Power
Supply
S15, S16
S13, S14
S11, S12
Base
Jumper Plug
Expansion
Jumper Plug
Strata DK I&M 6/00
Base
Jumper
Plug
AC
Power
Cord
4252