Avaya 03-300686 manual Off-premises protection requirements

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