Installing and wiring telephones and trunks

Table 11: Auxiliary lead appearances at AUX connector (continued)

Color*

Pinouts

Output

Power

R-O

32

GRD

 

O-R

7

 

 

 

 

 

R-G

33

Not Connected

 

G-R

8

 

 

 

 

 

 

R-BR

34

Not Connected

 

BR-R

9

 

 

 

 

 

 

R-S

35

Not Connected

 

S-R

10

 

 

 

 

 

 

BK-BL

36

-48

Emergency

BL-BK

11

GND

Transfer Relay

 

 

 

Power

BK-O

37

-48

 

O-BK

12

GND

 

 

 

 

 

BK-G

38

-48

 

G-BK

13

GND

 

 

 

 

 

BK-BR

39

-48

 

BR-BK

14

GND

 

 

 

 

 

BK-S

40

-48

 

S-BK

15

GND

 

 

 

 

 

Y-BL

41

-48

 

BL-Y

16

GND

 

 

 

 

 

Y-O

42

-48

 

O-Y

17

GND

 

 

 

 

 

Y-G

43

Not Connected

 

G-Y

18

 

 

 

 

 

 

Y-BR

44

GND

AUX Power

BR-Y

19

-48

 

 

 

 

 

Y-S

45

GND

 

S-Y

20

-48

 

 

 

 

 

V-BL

46

GND

 

BL-V

21

-48

 

 

 

 

 

V-O

47

Not Connected

 

O-V

22

 

 

 

 

 

 

V-G

48

Ext Alarm A3

 

G-V

23

Ext Alarm Return

 

 

 

 

 

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82 Installing and Connecting the MDF and Telephones

Page 82
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