Technical Product Manual - DCT1900

Installation Instructions, Modular Cabinet – Power Cabling

Base Station Power Supplied to a Maximum of 7 CLUs/SLUs via the PW–EXT Input on the

MCCB

This requires a power supply with a capacity greater than 300W, such as a PBX power supply.

Fig. 19–7A & Fig. 19-7B give a schematic diagram of this configuration. Fig. 19–8 gives the cable diagram of this configuration.

ext -48V

B

A

PW- EXT

CLU/

SLU

PW-BP

Backplane

MCCB

Internal

Modular Cabinet

Fig. 19-7A - Schematic Diagram of Powering Modular Cabinet and 7 CLUs/SLUs with an External

Power Supply

ext -48V

ext -48V

B

 

PW-EXT

 

 

CLU/

A

 

SLU

 

PW-BP

 

 

 

Backplane

MCCB

 

 

 

 

Internal

 

 

Modular Cabinet

Fig. 19-7B Schematic Diagram of Powering the Modular Cabinet and 7 CLUs/SLUs with two

separate -48V External Power Supply

19-6

Install-DCT1900/R8/mw

 

© 2000-2005

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Nortel Networks DCT1900 manual Mccb