Install DS1/T1 CPE loopback jack

Figure 105: Network interface at “dumb” block for a 120A2 (or later) ICSU

Figure notes:

 

 

1.

Span section 1

5.

Loopback jack

2.

Span section 2

6.

Dumb block (demarcation point)

3.

120A2 (or later) ICSU

7.

Interface termination or fiber multiplexer

4.

RJ-48 to network interface (up

 

(MUX)

 

to 1000 ft. [305 m])

8.

Central office

 

 

 

 

Issue 10 June 2005 335

Page 335
Image 335
Avaya CMC1 manual Network interface at dumb block for a 120A2 or later Icsu