Avaya 03-300686 manual Connections for telephone used for emergency transfer

808A Emergency Transfer Panel and telephone installation examples

Table 18: Pin assignments for 25-pair connector (continued)

47	V-O	NC2	Normally Closed 2 Contact
22	O-V	NC1	Normally Closed 1 Contact
48	V-G	COM2	Common 2 Relay Contact
23	G-V	NO2	Normally Open 2 Contact
49	V-BR
24	BR-V
50	V-S	GRD	Ground from Aux Cable
25	S-V	-48PX	-48V from AUX Cable

3 of 3

Figure 49: Connections for telephone used for emergency transfer

25

50

2822

1 2 3

EMXR
2822	1

		C	N	N	N	C	N	C	N
TC TK LC ST TC TK LC ST TC TK LC ST TC TK LC ST TC TK LC ST										G
		O				O		O
		M	O	C	C	M	O	M	C	R -48
			1	2	1		2		3	D
		1				2		3			V
XR 1m AL 1M	3M 3m 3w
ALARM MONITORS
					r758580b LAO 111104

Figure notes:
1.	To Network Interface Circuitry	4.	To Power Transfer Unit
2.	To TN747B (or Equivalent) Central Office	5.	DB9 Alarm Cable to
	Trunk Circuit Pack		TN2312BP Adapter
3.	To Blue or White Station Distribution Field

Issue 3 January 2008 103