pdf Digital Signaling Job Aid SA 0540D Popular
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Digital_Signaling_Job_Aid_SA-0540D.pdf
Provided by Erik Schull
DIGITAL SIGNALING JOB AID
This Job Aid has been developed to assist technicians in determining: Analog and digital signaling conditions present at different points of an AT&T circuit Optioning of Digital Central Office equipment for particular circuit applications and The application of the job aid indications when using the aid with a variety of Testing Vehicles.
TABLE OF CONTENTS
1 USER GUIDE ............................................ . 3
2 SIGNALING CHARTS
FX LOOP START ....................................... 5-6
TDMs .......................................... 7-10
FX GROUND START ................................... 11-12
TDMs ......................................... 13-16
E&M ............................................... 17-18
PLRs .............................................. 19-20
DX .............................................. 21 - 22
RINGDOWNS
MANUAL ....................................... 23-24
AUTOMATIC .................................... 25-28
3 TEST SET/LOGIC CONVERSION TABLES (INTRO} .................. 29
DTAC PANEL ........................................... 30
OATS TEST SET ......................... ............... 31
SPTS TEST SET ........................................ 32
4 DIGITAL SIGNALING TABLES
TABLE A -CLEI CODES .......................... ....... 33
TABLE B -DACS TRUNK CONDITIONING CODES ............. 36
TABLE C -FACILITY CONNECTOR OPTIONS ................. 38
TABLE D -NCI CODES (from JA-9) ................... 40-44
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