Nortel Networks DCT1900 manual Installation DTU-T1 CAS or CCS, DTC Connections on the DTU-T1

Technical Product Manual - DCT1900

Installation Instructions, Modular Cabinet – DTU Cabling

22.3Installation - DTU-T1 (CAS or CCS)

Connecting the DTUs to the MS/PBX

1.Ensure the DTU strap settings are in the twisted pair position (refer to Chapters 12 & 13).

2.Connect the lower X2 plug of the DTU twisted pair cable AWS1033 to the lower connector of the furthest left DTU as shown in Figure 22-3.

3.Connect the upper X1 of the DTU twisted pair cable to the upper connector.

4.Screw the shielding clamp of the cable the furthest left free position on the ground strip using two M3 x 10 torx screws delivered with the Modular Cabinet.

5.Connect the other end of the DTU cable as required - normally punched down on the Main Distribution Frame (MDF) or “66” block.

Dual DTU T1 cable

AWS1033

	X2		XMIT		X1
			pairs
BRN	7	8		ORN	7	8
			WHT				WHT
GRN				BLU
	1	2	WHT		1	2	WHT

RCV pairs

View looking into DTU board edge

Fig. 22–3 DTC Connections on the DTU-T1

Install-DCT1900/R8/mw	22-3
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