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Install DS1 CPE Loopback Jack (T1 Only)
Issue 4 May 2002
5-67
555-233-123
Configurations Without a Smart Jack
When the loopback jack is added to a span that does not contain a Smart Jack,
the span is divided into 2 sections. See
1. ICSU to the loopback jack.
2. Loopback jack to the Central Office (CO).
Figure 5-14.
Network Interface at “Dumb” Block
Figure Notes:
1. Span Section 1
2. Span Section 2
3. 120A2 (or later) Integrated
Channel Service Unit
(ICSU)
4. RJ-48 to Network Interface
(Up to 1000 Feet) (305 m)
5. Loopback Jack
6. “Dumb” Block (Demarcation Point)
7. Interface Termination or Fiber MUX
8. Central Office
Содержание Definity SI
Страница 1: ...0DLQWHQDQFH IRU YD D 1 7 6HUYHU 6 Volumes 1 2 and 3 555 233 123 Issue 4 May 2002...
Страница 62: ...Maintenance Architecture 555 233 123 1 26 Issue 4 May 2002...
Страница 92: ...Management Terminals 555 233 123 3 26 Issue 4 May 2002...
Страница 204: ...Routine Maintenance Procedures 555 233 123 5 100 Issue 4 May 2002...
Страница 250: ...LED Interpretation 555 233 123 7 10 Issue 4 May 2002...
Страница 2763: ...VC DSPPT Issue 4 May 2002 10 1977 555 233 123 Figure 10 107 VC Circuit Pack DSP Port Local TDM Loopback Test...
Страница 2776: ...Maintenance Object Repair Procedures 555 233 123 10 1990 Issue 4 May 2002 Figure 10 109 VC Circuit Pack Summer Port Loopback Test...
Страница 2804: ...Maintenance Object Repair Procedures 555 233 123 10 2018 Issue 4 May 2002...
Страница 2968: ...Index 555 233 123 IN 10 Issue 4 May 2002...