Additional maintenance procedures
DS1 CPE loopback jack (T1 only)
364
Maintenance Procedures
December 2003
Figure 110: Network Interface at “Dumb” Block
Figure notes
1
Span Section 1
5
Loopback Jack
2
Span Section 2
6
“Dumb” Block (Demarcation Point)
3
120A2 (or later) Integrated
Channel Service Unit (ICSU)
7
Interface Termination or Fiber MUX
4
RJ-48 to Network Interface (up
to 1000 Feet) (305 m)
8
Central Office
Summary of Contents for CMC1
Page 1: ...Maintenance Procedures 555 245 103 Issue 1 1 December 2003 ...
Page 14: ...Contents 14 Maintenance Procedures December 2003 ...
Page 416: ...Additional maintenance procedures IP Telephones 416 Maintenance Procedures December 2003 ...
Page 426: ...Index X 426 Maintenance Procedures December 2003 ...