Nortel Networks DCT1900 manual Modular Cabinet REX-BAS9021A/1B

Technical Product Manual - DCT1900

Installation Instructions, Modular Cabinet – Power Cabling

19.4 Modular Cabinet - REX-BAS9021A/1B

Figure 19–9 shows the power distribution in a Modular Cabinet powered by external -48Vdc supplies.

External -48Vdc

External -48Vdc

MODULAR	BACKPLANE
CABINET

			X102	48 Vdc	+ 5 V	To
					+ 12 V	System
Terminal					* 12 V	Boards
		A
TERMINAL BLOCK
Block	A		Piggy-back
(SEE FIG. 19-10)				X112, X113
(see Figure 16-2)			Faston
			3A		Piggy-back
Mains			101 05		FASTON
filter			15 A	TRENB		TSRNB
				101 03		101 33
Terminal		B	MCCB	PW-BP	PW1
TERMINAL	BLOCK
Block	B (see				PW2
(SEE FIG. 19-10)
Figure 16-2)					PW3
			F1		PW1
			15 A		PW2	To
					PW7
						CLUs
	PW-EXT		F2
					PW3
			15 A		PW4
					PW5
					PW6

Fig. 19-9 Power Distribution Powered by External -48Vdc

19-8	Install-DCT1900/R8/mw
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