Nortel Networks DCT1900 manual Power Connection to the Modular Cabinet

Technical Product Manual - DCT1900

Installation Instructions, Modular Cabinet – Power Cabling

Factory Fitted Power Cabling

The Modular Cabinet is delivered with the following powering cables fitted:

zCable TRENB 101 02 (190248) between the filter and the lower fuse holders (see Figure 19– 11).

zCable TRENB 101 04 (#190250) between the switch and the lower two fuse holders.

zCable between the switch and the upper fuse holders. The end of the cable with piggy-back faston is connected to the switch.

zCable between the switch and connector PW–BP on the MCCB. Connects to piggy-back faston on the switch.

zCable between the upper fuse holders and connector X112, X113 on the backplane (see Figure 19–12).

zCable #190253 (red cable) in two locations: between terminal block A and filter and between terminal block B and MCCB terminal PW-EXT (see Figure 19-10).

zCable #190254 (black cable) in two locations: between terminal block A and filter and between terminal block B and MCCB terminal PW-BP (see Fig. 19-10).

All cables are connected with the red wires (+) connected at the left–hand side except for PW-EXT connection. The red wire of cable is connected to connector X112(+).

In the following paragraphs it is assumed that the cables are fitted as described above. If you altered the wiring, change it as described above.

	Red	Black
					Warning
					Torque the terminal screws
					to 7 in./lb.
	A	B
	Red	Black			Additional wires to
	Black	Red
			_		external -48Vdc
PW-EXT	+
		-			Additional wires to external
		+			-48V supply
MCCB
				-	-48V supply
				++
Botton view

Fig. 19-10 Power Connection to the Modular Cabinet

Install-DCT1900/R8/mw	19-9
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