Dell 2135cn Service Manual page 845

Signal line name
LV TYPE
DEEP SLEEP
SLEEP
24V ON
FAN ON
FAN LOW
FAN ALARM
- LVPS overcurrent protection circuit
This circuit stops all outputs, if the power supply voltage 24VDC, 5VDC, or 3.3VDC is shorted.
- LVPS overvoltage protection circuit
This circuit stops all outputs, if the power supply voltage 24VDC, 5VDC, or 3.3VDC exceeds the
specified voltage respectively.
At this time, the operating point is 36VDC or less for 24VDC, 7VDC or less for 5VDC and 3.3VDC.
- Sleep mode and deep sleep mode
The output of the following power supply are stopped according to the these signals.
Version 1 2008.02.01
Control signal of the LVPS
Drive control signal of the SIDE FAN
Output
Signal
Sleep
Deep sleep
Chapter 7 Wiring Diagrams and Signal Information
Description
+24VDC +5VDC
OFF OFF
OFF OFF
7 - 8
+3.3VDC
ON
OFF