S1U-3X.B01 Page 3 of 4

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S1U-3X

1U 19 inch Power Shelf for the D1U Family of Power Supplies

SHELF TO SHELF CONNECTION

Signal Connector: MOLEX # 39-28-5164 OR TYCO # 281281-1

Pin Assignment

Signal Name

Description

High Level

Low Level

I Max

1

Input AC Voltage ‘OK’ signal output for the shelf

open drain

< 0.7V

- 2 mA

+ 4 mA

2

Power good signal output for the shelf

open drain

< 0.7V

- 2 mA

+ 4 mA

3

Power enable for the shelf

> 2.1V (open, or Vsb)

< 0.7V (active, PS:On)

- 1 mA

- 4 mA

4

NOT USED

5

NOT USED

Vsb

Vsb

8

I_SHARE

9

10

11

Vsb

Standby voltage output

12

Vsb

Standby voltage output

13

Vsb

Standby voltage output

14

GND

GROUND

15

GND

GROUND

16

GND

GROUND

All control signals are with respect to Ground. Negative currents exit the power supply.

OPTIONAL ACCESSORIES

Description

C&D Part Number

Shelf to Shelf Cable

535-413-1537-1