BCD20034-G Rev. AD, 11-May-10

Page 13 of 15

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FNP600/850/1000 AC-DC Front-Ends

& FNR-5-12G/FNR-5-48G Power Shelves Data Sheet

SUB-D Output Connector Pinout and Signal Specification (continued)

Output Connector

Description

Pin

Location

Type

Low level

High level

V max

I max

AC Fail/

Power-down warning

PSU 2

22

OC-output, protected by 16 V Zener diode

and a 10 Ω resistor in series, referenced to logic GND

<0.4 V @ 20

mA

Pull up

15 V

20 mA

DC Fail/

Output voltage fault

PSU 2

23

OC-output, protected by 16 V Zener diode

and a 10 Ω resistor in series, referenced to logic GND

<0.4 V @ 20

mA

Pull up

15 V

20 mA

DATA, I2C data line

24

I2C compatible signal

referenced to logic GND

5 V or 3.3 V

logic

-

CLOCK, I2C clock line

25

I2C compatible signal

referenced to logic GND

5 V or 3.3 V

logic

-

Auxiliary power +12 V

(Output 2)

26

Vo2+ Aux output, insulated from main output

-

-

Auxiliary power

ground

(Output 2)

27

Vo2- Aux output, insulated from main output

-

-

Logic Gnd

28

Auxiliary GND, Need to be external connected Vo2-,.

Wire separately from auxiliary and main output GND

to minimize noise and avoid voltage drops on signal-

and I2C return. Leave open if not used.

-

-

Output margin PSU 1

29

Open or connected to V sense-

V sense- (+8 % Vo1) or V sense+ (-8 % Vo1)

-

-

60V

-

Output margin PSU 2

30

Open or connected to V sense-

V sense- (+8 % Vo1) or V sense+ (-8 % Vo1)

-

-

60V

-

Output margin PSU 3

31

Open or connected to V sense-

V sense- (+8 % Vo1) or V sense+ (-8 % Vo1)

-

-

60V

-

Output margin PSU 4

32

Open or connected to V sense-

V sense- (+8 % Vo1) or V sense+ (-8 % Vo1)

-

-

60V

-

Output margin PSU 5

33

Open or connected to V sense-

V sense- (+8 % Vo1) or V sense+ (-8 % Vo1)

-

-

60V

-

Overtemperature /

Fan Fail PSU 4

34

OC-output, protected by 16 V Zener diode

and a 10 Ω resistor in series, referenced to logic GND

<0.4 V @ 20

mA

Pull up

15 V

20 mA

Power Supply Present

PSU 4

35

Open

Pull up

10 V

10 mA

Overtemperature /

Fan Fail PSU 5

36

OC-output, protected by 16 V Zener diode

and a 10 Ω resistor in series, referenced to logic GND

<0.4 V @ 20

mA

Pull up

15 V

20 mA

Power Supply Present

PSU 5

37

Open

Pull up

10 V

10 mA