Nortel Networks 553-3001-211 Scteb Sctb CH/CI, Cts Rts, Scra Sctea, BL-V Scta Rxca SCT, Rxdb Txdb

					NTAK02 SDI/DCH card			Page 695 of 894
Table 223
NTAK02 connections at the cross-connect terminal – Port 3
			RS422				RS232
				Designations		Designations
				I=Input		I=Input
Cable		Signal		O=Output		O=Output		Signal
Pair	Color	DTE	DCE	DTE	DCE	DTE	DCE	DTE	DCE
17T	Y-O	SCTEA	SCTA	O	I	O	I	SCT	SCT
17R	O-Y	—	—	—	—	—	—	—	—
18T	Y-G	SCTEB	SCTB	O	I	—	—	CH/CI	—
18R	G-Y	DTR	DCD	O	I	—	—	DTR	DCD
19T	Y-BR	DSR	CH/CI	I	O	I	O	DSR	CH/CI
19R	BR-Y	DCD	DTR	I	O	I	O	DCD	DTR
20T	Y-S	RTS	CTS	O	I	O	I	RTS	CTS
20R	S-Y	CTS	RTS	I	O	I	O	CTS	RTS
21T	V-BL	SCRA	SCTEA	I	O	I	O	SCR	SCT
21R	BL-V	SCTA	RXCA	I	O	I	O	SCT	—
22T	V-O	SCRB	SCTEB	I	O	—	—	—	—
22R	O-V	SCTB	RXCB	I	O	—	—	—	—
23T	V-G	RXDA	TXDA	I	O	I	O	RXD	TXD
23R	G-V	TXDA	RXDA	O	I	O	I	TXD	RXD
24T	V-BR	RXDB	TXDB	I	O	—	—	—	—
24R	BR-V	TXDB	RXDB	O	I	—	—	—	—
25T	V-S	—	—	—	—	—	—	SG	SG
25R	S-V	SG	SG	—	—	—	—	—	—

Circuit Card Description and Installation