6.4 Replacing DPU Power Trays
Figure 6–6 DECmpp 12000 DPU Power Tray Rear
MKV−040000314−81−RAGS
Connection
P1 P2 P13
P3
P4
P10
Power
LEDs
DPU Interface PCA
Remote Daisy−chain
Temperature Sensor
Fan Tray
Power Selector
Switch
Power Cable
Backplane
Sense Lines
Modem
Lightpipe/
Key Switch
30A Circuit
Breaker
1A Circuit
Breaker
Figure 6–7 DECmpp 12000 DPU Power Tray Front
Fan
Adj
Adj
Adj
Adj
+5V
-5V
+12V
-12V
-
+
+
-
+
-
+
-
YELLOW
WHITE
RED
BLACK
Unused
BLACK
RED
BLACK
Jumper
Caution: Overtightening the 12V wires can break
the posts on the power supply.
Use an Insulated Tool
MKV-040000314-58-MPS
6–12 Removal and Replacement Procedures