Avaya Definity SI Maintenance Manual page 168

Routine Maintenance Procedures
Figure Notes:
1. Span Section 1
2. Span Section 2
3. Span Section 3
4. 120A2 (or later) Integrated
Channel Service Unit (ICSU)
Figure 5-11. Network Interface at Smart Jack
5-64 Issue 4 May 2002
5. RJ-48 to Network Interface (Up to 1000
Feet) (305 m)
6. Loopback Jack
7. Network Interface Smart Jack
8. Interface Termination or Fiber MUX
9. Central Office
555-233-123