ADC ETU-751C - Manual (Page 5)

700-701-100-02 Table of Contents
ETU-701C and ETU-751C List 1 August 9, 2002 v
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Overview ____________________________________________________________________________ 1
Rate Selectable HDSL Unit Firmware...............................................................................................1
EMU Firmware Compatibility ...........................................................................................................2
Application Interface..........................................................................................................................2
HDSL Technology .............................................................................................................................3
Transmission Ranges .........................................................................................................................3
Front and Rear Panel Components.....................................................................................................4
WorldDSL Product Compatibility .....................................................................................................8
Specifications_________________________________________________________________________ 9
Functional Description ________________________________________________________________ 11
Major Components...........................................................................................................................11
G.703 Interface ..................................................................................................................12
HDSL Interface..................................................................................................................12
System Timing Circuits .....................................................................................................12
Processor............................................................................................................................12
Power Sources ...................................................................................................................13
Rate Selectable Application Modes and Options.............................................................................14
Single Mode.......................................................................................................................14
Structured Mode ................................................................................................................14
Unstructured Mode ............................................................................................................16
G.704 Framing and Rate Selectable HDSL.......................................................................17
Hot Swapping...................................................................................................................................17
Performance Monitoring and History ..............................................................................................18
Alarms ..............................................................................................................................................18
Loopbacks ........................................................................................................................................19
BER Testing .....................................................................................................................................21
Inspection, Safety, and Equipment Repair _______________________________________________ 22
Inspection .........................................................................................................................................22
Safety ...............................................................................................................................................22
Equipment Repair ............................................................................................................................22
Installation and Startup _______________________________________________________________ 23
UTU-701C Line Unit Installation ....................................................................................................23
ETU-751C Desktop Unit Installation ..............................................................................................24
HDSL Startup and Synchronization.................................................................................................24