Use this table when converting from 8-pin to 6-pin modular jacks.

4400 TYPE SET 6 POSITION JACK			8 POSITION LINE JACK PIN NUMBER	NUMBER ON 103 BLOCK WITH 8-POS JACK	DEFINITY STATION WIRING CODE		DEFINITY PAIR AT&T 258A EIA 568B
PIN	DESCRIPTION	PAIR
NONE	NONE	NONE	1	3	white/orange		2
1	RECORD AUDIO	3	2	4	orange/white		2
2	-48VDC	2	3	5	white/green		3
3	RING	1	4	2	blue/white		1
4	TIP	1	5	1	white/blue		1
5	GRD	2	6	6	green/white		3
6	RECORD AUDIO	3	7	7	white/brown		4
NONE	NONE	NONE	8	8	brown/white		4