Avaya CMC1 Installation Manual page 309

Figure 111: Network interface at extended demarcation point (smart jack inaccessible)
for a 120A2 (or later) ICSU
Figure notes
1 Span section 1
2 Span section 2
3 Span section 3
4 120A2 (or later) ICSU
5 RJ-48 to network
interface (up to 1000 ft.
[305 m])
Installation, Upgrades and Additions for Avaya CMC1 Media Gateways
June 2004
6 Loopback jack
7 Dumb block (extended demarcation)
8 Network interface smart jack
9 Interface termination or fiber multiplexer (MUX)
10 Central office
Adding or Removing Hardware
Install DS1/T1 CPE loopback jack
309