Coral FlexiCom 6000 Installation Manual
Power Supplies
7-21
PS
-A
TS
Con
tr
o
l Power Su
pply Unit
7
presents a block diagram of the PS-ATS power supply circuits and voltage
inputs and outputs.
The PS-ATS includes two separate switch mode, DC-to-DC converters that convert
the –48VDC input power to the +5V and +3.3V outputs. Another switch mode,
DC-to-DC converter, along with two regulators provide the +12V and –12V output.
Filtering circuitry minimizes ripple and noise on the –48VDC feed to the Control
cards.
The PS-ATS also contains Hot Swap circuitry for redundancy purposes.
The Control and Alarm (monitoring) circuitry verifies that each voltage output (with
the exception of the –48VDC output) is within specification. Should an output voltage
deviate from specification, the monitoring circuitry produces an alarm signal to the
system processor (displayed on the PI terminal), causing the red
Fail
indicator to
illuminate. Additionally, the green
Power
indicator remains illuminated when power
is supplied to the system.
If the Voltage input drops below –40VDC, then the PS-ATS shuts down.
Figure 7-7
PS-ATS
Circuitry Block Diagram
...................................................................................................
2
Circuit Description
DC/DC
Module
+5V
Control & Alarm
Circuitry
Filter
REG.
+12V
REG.
-12V
DC/DC
Module
±15V
DC/DC
Module
+3.3V
Hot
Swap
Circuit
+5V
+3.3V
+12V
Enable
-12V
-15V
+15V
IN
FAIL
(Red
LED)
POWER
(Green LED)
-48V
F1
10Amp
-48V In RTN
Содержание Coral FlexiCom 6000
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Страница 190: ...6 42 Cabinet Descriptions Coral FlexiCom 6000 Installation Manual Cabinet Descriptions 6 NOTES ...
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Страница 322: ...8 98 Common Control Cards Coral FlexiCom 6000 Installation Manual CLA ATS CoraLINK Adapter Card 8 NOTES ...
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