FXP1500-32G AC-DC Front-End
& FXR-3-32G Power Shelf Data Sheet
SUB-D Output Connector Pinout and Signal Specification
Output Connector
Description
Over-temperature /
Fan Fail PSU1
OC
Pin
1
Type
OC-output, protected by 16 V Zener
diode and a 10 ? resistor in series
Signal
Reference
LGND
Low level
High level
<0.4 V @ 20 mA
Pull up
V max
I max
15 V
20 mA
Power Supply
2
Present PSU 1
Power Supply
Present PSU 2
3
Resistor (1 k ? ) connected to LGND
LGND
Open
Pull up
10 V
10 mA
Spare
4
Over-temperature /
Fan Fail PSU 3
AC Fail /
Power down warning PSU 3
Power Supply Present
PSU 3
DC Fail /
Output voltage fault PSU 3
Overtemperature /
Fan Fail PSU 2
5
6
7
8
9
OC-output, protected by 16 V Zener
diode and a 10 ? resistor in series
Resistor (1 k ? ) connected to logic
GND
OC-output, protected by 16 V Zener
diode and a 10 ? resistor in series
LGND
LGND
LGND
<0.4 V @ 20 mA
Pull up
Open
Pull up
<0.4 V @ 20 mA
Pull up
15 V
20 mA
10 V
10 mA
15 V
20 mA
Sync_start_A , Active high
The signals of several racks can be
Synch._Start_A
10
connected together in such a way that
all supplies will be inhibited until the
LGND
<7V off
< 9V
15V
10mA
last supply has recovered from its
overcurrent condition
Open
11
DC-DC stage ON when pin is open or
Output inhibit
PSU 1-3
12
connected to LGND
DC-DC stage OFF when pin is
LGND
<0.8 V
>2.0 V
10 V
3.5 mA
connected on high potential
V sense +
V sense -
13
14
Open or connected to V O1 + at the load
Internally (PSU) connected to V O1 +
over 100 ?
Open or connected to V O1 - at the load
Internally (PSU) connected to V O1 -
over 100 ?
V O1+
V O1 -
dV < 3 Vpp
30 mA
dV < 3 Vpp
30 mA
Open
NC
NC
NC
NC
AC Fail/
Power-down warning PSU 1
DC Fail/
Output voltage fault PSU 1
15
16
17
18
19
20
21
AC Fail/
Power-down warning PSU 2
DC Fail/
Output voltage fault PSU 2
22
23
OC-output, protected by 16 V Zener
diode and a 10 ? resistor in series
LGND
<0.4 V @ 20 mA
Pull up
15 V
20 mA
SDA, I C data line
I C compatible signal
2
24
2
LGND
5 V or 3.3 V
logic
BCD.00021 Rev.AA, 31-JAN -11
Page 11 of 16
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