AT&T Release 2.0 manual Connect these protectors

Installing the Control Unit

Table 2-3. Heavy Lightning Protection

If you have this number of

central office trunks . . .

1-4

5-8

9-12

13-16

17-20

21-24

Connect these protectors

147A

147A and a 146A

147A and two 146As

147A and three 146As

Two 147As and three 146As See the note below.

Two 147As and four 146As See the note below.

NOTE:

When you use the additional 147A, you can connect the 146As in any combination, up to a maximum of three 146As per 147A. For example, if you have only enough wall space for two 146As and a 147A, put two 146As with the first 147A, and then put the third 146A with the additional 147A.

2-16Power and Grounding