viii
SpectraComm 553 Fractional T1 DSU
076R155-000
Installation and Operation Manual
Issue 7
Table of Contents
...................................................................................................... 3-17
..................................................................................................................... 3-20
................................................................................................................ 3-22
................................................................................................................... 3-28
.............................................................................................................. 3-29
...................................................................................................... 3-30
Terminal Interface Test Procedure
........................................................................................ 4-2
........................................................................................... 4-2
................................................................................................................................. 4-5
................................................................................................ 4-5
............................................................................................. 4-6
.............................................................................................. 4-6
........................................................................................ 4-7
................................................................................................................ 4-8
......................................................................................... 4-10
................................................................................................................. 4-11
...................................................................................................................... 4-13
Channel Self Test (End-to-End)
..................................................................................... 4-13
.......................................................................................... 4-13
....................................................................................... 4-15
..................................................................................................... 4-17
............................................................................................. 4-17
....................................................................................................... 4-18
............................................................................................................................. 4-19
........................................................................................... 4-19
.................................................................................................................. 4-19
................................................................................................................ 4-20
Appendix A:Technical Characteristics
............................................................................................... C-2
......................................................................................C-2
Network/Cascade Loss Of Signal
....................................................................................C-2
Network/Cascade Alarm Indication Signal
......................................................................C-2
Network/Cascade Unavailable Signal State
.....................................................................C-2
Network/Cascade Bipolar Violations
...............................................................................C-2