Nortel Networks DCT1900 manual 19-13

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 of greater than 300W, such as a PBX power supply.

Figures 19–15A & 19-15B give a schematic diagram of this configuration. Figure 19–16 gives the cable diagram of this configuration.

ext -48V

B

A

	PW-
	EXT
	PW-BP
Backplane	MCCB
Internal	Modular Cabinet

CLU/

SLU

Fig. 19 -15A - Schematic Diagram of Powering Modular Cabinet and 7 CLUs/SLUs with an

External Power Supply

ext -48V

ext -48V

B		PW-
		EXT	CLU/
A		PW-BP	SLU
	Backplane
	Internal	Modular Cabinet

Fig. 19-15B Schematic Diagram of Powering the Modular Cabinet and 7 CLUs/SLUs with two

separate -48V External Power Supply

Install-DCT1900/R8/mw	19-13
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