DEFINITY Enterprise Communications Server Release 7
Maintenance for R7r
555-230-126 Issue 4
June 1999
Additional Maintenance Procedures
6-16DS1 CPE Loopback Jack (T1 Only)
6
Figure 6-1. Network Interface at Smart Jack
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. Loopback Jac k
7. Network Interface Smart Jack
8. Interface Termination or Fiber MUX
9. Central Office