Off-premises connections

Figure 45: Connections to 24 out-of-building telephones

1

27

3 3

49

2

4

5

4

6

8

6

10

11

 

 

15

16

4

 

 

14

 

 

 

 

 

12

13

 

 

 

 

 

 

 

 

crdf24o CJL 101396

Figure notes:

 

 

 

 

 

1.

Locally Engineered Cables and

8.

Out-Of-Building Analog

 

Equipment

 

 

Telephones

2.

25-Pair Connector

 

9.

Part of Main Distribution Frame

3.

Multi-Pair Protector Units (Primary

 

(MDF)

 

Protectors with Heat Coils or

10.

Station Side

 

Equivalent with Sneak Current

11.

Media Gateway Side

 

Protection)

 

12.

White Field

4.

B25A Cable (Male to Female)

13.

Purple Field

5.

Concentrator Cable (WP90929 List 1)

14.

Cross-Connect Jumpers

6.

356A Adapter

 

15.

Tip and Ring Wires

7.

Out-of-Building Wiring

 

 

 

 

 

 

 

 

 

 

 

 

Off-premises protection requirements

Both building entrances require carbon block or equivalent protection and sneak current protection. Protection can be provided by:

a 4-type protector, which is equipped with a heat coil

a 3-type protector plus a separate sneak current protector

Issue 3 January 2008 93

Page 93
Image 93
Avaya 03-300686 manual Off-premises protection requirements, Connections to 24 out-of-building telephones