Additional Maintenance Procedures
555-233-143
5-10 Issue 1 May 2002
Figure 5-3. Network Interface at Extended Demarcation Point (Smart Jack
Accessible)
Figure Notes
1. Span Section 1
2. Span Section 2
3. Span Section 3
4. 120A2 (or later) Integrated
Channel Service Unit (ICSU)
5. RJ-48 to Network Interface (Up
to 1000 Feet) (305 m)
6. “Dumb” Block (Extended Demarcation)
7. Loopback Jack
8. Network Interface Smart Jack
9. Interface Termination or Fiber MUX
10. Central Office
11. “Dumb” Block to Smart Jack RJ-48
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