Specifications

Watson-TDM-Manual-W.doc
Version 2.0-01
Watson TDM
Operating Manual
Revision: 2008-02-07 xv
Figures
Figure 3-1: Power backoff .................................................................................................. 3-4
Figure 3-2: Power backoff with regenerator ....................................................................... 3-5
Figure 3-3: Clock architecture ............................................................................................ 3-7
Figure 3-4: Synchronous Operation (=”Loop Timing”)........................................................ 3-7
Figure 3-5: External Clock Mode........................................................................................ 3-8
Figure 3-6: LTUMODE 14..................................................................................................... 3-8
Figure 3-7: LTUMODE 15..................................................................................................... 3-9
Figure 3-8: LTUMODE 16..................................................................................................... 3-9
Figure 3-9: Reference Points of the PRA......................................................................... 3-10
Figure 3-10: Digital Link without CRC Processing ........................................................... 3-11
Figure 3-11: Digital Link with CRC Processing in the NT1............................................... 3-12
Figure 3-12: Digital Link with CRC Processing in the LT and NT1................................... 3-13
Figure 3-13: Digital Link with CRC Monitoring in the NT1................................................ 3-14
Figure 3-14: Mixed mode mapping................................................................................... 3-20
Figure 3-15: Mixed Mode multiservice mapping............................................................... 3-20
Figure 3-16: Examples of Multipoint Configuration .......................................................... 3-22
Figure 3-17: Multipoint configuration screen .................................................................... 3-23
Figure 3-18: Multipoint example....................................................................................... 3-25
Figure 3-19: Multipoint cascading example...................................................................... 3-26
Figure 3-20: E1 G.826 Performance Evaluation .............................................................. 3-29
Figure 3-21: PRA G.826 Performance Evaluation ........................................................... 3-29
Figure 3-22: Test Loops controlled by the DSL Master.................................................... 3-30
Figure 3-23: Test Loops controlled by the DSL Slave...................................................... 3-30
Figure 3-24: Automatic Protection Switching ................................................................... 3-31
Figure 4-1: Regenerator Interface Designation.................................................................. 4-1
Figure 4-2: Cascading and addressing regenerators......................................................... 4-2
Figure 4-3: Regenerator powering reach vs. Loop resistance ........................................... 4-3
Figure 5-1: Line feed current vs. loop resistance for different values of power.................. 5-4
Figure 7-1: Addressing for plug-ins with one subsystem.................................................... 7-2
Figure 7-2: : Addressing for plug-ins with two subsystems ................................................ 7-2
Figure 7-3: : Addressing for plug-ins with four subsystems................................................ 7-3
Figure 10-1: Plug-in cables and mechanics ................................................................... 10-43
Figure 10-2: Tabletop cables and mechanics ................................................................ 10-44
Figure 10-3: DSL Cable, 4 pairs, 5m, open end............................................................. 10-45
Figure 10-4: Cable 2 x E1, 5 m ...................................................................................... 10-46