cui.com

date 11/20/2015

│ page 8 of 11

CUI Inc

│ SERIES: PPR-1U │ DESCRIPTION: RACK ACCESSORY

CONNECTIONS (CONTINUED)

Connector - Pin#

Signal Name

Function

1 (lower position)

+3.3 STANDBY

+3.3 VDC +VE Output

2 (upper position) +3.3 STANDBY RTN +3.3 VDC –VE Output

Standby Output Connections

V Standby Output Connector, Mating Connector Molex 39-01-2020, terminals 39-00-0038

Signal Interface Connections (System to Shelf; Shelf to Shelf):

The shelf signals are provided with a 9 Pin female D-SUB connector for system communication and another 9 Pin female

D-SUB connector for shelf to shelf communication:

DC Output Cable Connection

The Output and Return Cables (#2 AWG wire on 1/4” stud - not provided) connected to output studs provided at the rear

of the power shelf as shown below.

D-SUB 9 pin

System to Shelf

Shelf to Shelf

SDA

1

Yes

Yes

SCL

2

Yes

Yes

Not used

3

--

--

Vpgm

4

Yes

Yes

Vpgm Return

5

Yes

Yes

Digital Return

6

Yes

Yes

SMB Alert

7

Yes

Yes

Not used

8

--

--

I-Share

9

Yes

Yes

For more information, please visit the product page.