Installing and wiring telephones and trunks

Figure 50: Connections for telephone used for emergency transfer and as normal extension

10

35

2820

3

4

ST

ST EMXR

7

5

6

7

8

 

 

 

 

 

C

N

N

N

C

N

C

N

G

TC

TK

LC

ST TC TK LC ST TC TK LC ST TC TK LC ST TC TK LC ST

O

O

O

O

C

C

O

C

R -48

 

 

 

 

 

M

1

2

1

M

2

M

3

D V

 

 

 

 

 

1

2

3

 

 

 

 

 

 

 

 

 

 

 

XR

1m

AL

1M

 

 

 

 

 

 

 

 

 

 

ALARM MONITORS

 

 

 

 

 

 

 

 

 

 

Figure notes:

 

r758582b LAO 111104

 

 

 

 

 

 

 

1.

To Network Interface Facility

4.

To TN747B (or Equivalent)

2.

To Blue or White Station Distribution

 

Central Office Trunk Circuit Pack

 

Field

5.

To Power Transfer Unit

3.

To TN2183 or Equivalent Analog

6.

DB9 Alarm Cable to TN2312BP

 

Line Circuit Pack

 

Adapter

 

 

 

 

 

Installing telephones used only for emergency transfer (trunk/auxiliary field)

To install telephones used only for emergency transfer:

1.Connect a pair of wires between the -48Vand GRD terminals on the yellow emergency transfer row/connecting block and the EM TRANS RELAY PWR terminal. See Figure 49: Connections for telephone used for emergency transfer on page 103.

2.Connect CO trunk leads from the purple field to TC terminals on the yellow emergency transfer row/connecting block for each trunk.

3.Connect CO trunk leads from the green field to TK terminals on the yellow emergency transfer row/connecting block for each trunk.

104 Installing and Connecting the MDF and Telephones

Page 104
Image 104
Avaya 03-300686 manual R758582b LAO