Nortel Networks Option 11C Mini manual 282 of 332 Connecting an external alarm

Page 282 of 332 Chapter 19 — Connecting an external alarm

Table 77

Power Failure Transfer Unit connections

Unit	Pair	Color	Normal mode	Failure mode
	5T	W-S	Makes with 6T	Opens 6T and 6R
P	5R	S-W	and 6R	Makes with 7T and 7R
	6T	R-BL	Makes with 5T	Open
F
	6R	BL-R	and 5R
T
	7T	R-O	Makes with 8T	Opens 8T and 8R
1	7R	O-R	and 8R	Makes with 5T and 5R
	8T	R-G	Makes with 7T	Open
	8R	G-R	and 7R
	9T	R-BR	Makes with 10T	Opens 10T and 10R
	9R	BR-R	and 10R	Makes with 11T and 11R
P
	10T	R-S	Makes with 9T	Open
F
	10R	S-R	and 9R
T
	11T	BK-BL	Makes with 12T	Opens 12T and 12R
2	11R	BL-BK	and 12R	Makes with 9T and 9R
	12T	BK-O	Makes with 11T	Open
	12R	O-BK	and 11R
	13T	BK-G	Makes with 14T	Opens 14T and 14R
	13R	G-BK	and 14R	Makes with 15T and 15R
P
	14T	BK-BR	Makes with 13T	Open
F
	14R	BR-BK	and 13R
T
	15T	BK-S	Makes with 16T	Opens 16T and 16R
3	15R	S-BK	and 16R	Makes with 13T and 13R
	16T	Y-BL	Makes with 15T	Open
	16R	BL-Y	and 15R
	17T	Y-O	Makes with 18T	Opens 18T and 18R
P	17R	O-Y	and 18R	Makes with 19T and 19R
	18T	Y-G	Makes with 17T	Open
F
	18R	G-Y	and 17R
T
	19T	Y-BR	Makes with 20T	Opens 20T and 20R
4	19R	BR-Y	and 20R	Makes with 17T and 17R
	20T	Y-S	Makes with 19T	Open
	20R	S-Y	and 19R

553-3021-209 Standard 3.00 April 2000