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Toshiba Perfecptione Installation And Maintenance Manual
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PARAGRAPH1.1 .oo1.102.3.3.003.103.203.303.403.503.603.703.8044.00FIGURE78910111213TABLE12PERCEPTIONeh,,Tl/DS-1 DIGITAL TRUNK INTERFACESEPTEMBER1991PERCEPTIONeh,,Tl/DS-1 DIGITAL TRUNK INTERFACETABLE OF CONTENTSSUBJECT PAGEINTRODUCTION .............................................................................................. 1General Information ....................................................................................... 1Requirements ................................................................................................ 1NDTU CONFIGURATION ................................................................................. 2PREREQUISITES AND PROCEDURES FOR INSTALLATION ...................... 2General .......................................................................................................... 2Specific Switch Settings ................................................................................ 3Installing NDTU ............................................................................................. 6Connecting to Channel Service Unit .............................................................. 6Connecting to Another PBX Closer than 655 Feet ........................................ 7Front Panel LED Overview ............................................................................ 7Alarm and Status Conditions ......................................................................... 8Loop Back Procedure .................................................................................... 9Cabling .......................................................................................................... IOTROUBLESHOOTING ...................................................................................... 10General .......................................................................................................... 10AlTACHMENT A .............................................................................................. 21FIGURE LISTTITLE PAGEDS-1 CONNECTION TO DIGITAL NETWORK ................................................ 1DS-1 CONNECTION VIA CSU ......................................................................... 1DS-1 CONNECTION VIA CSU AND CHANNEL BANK ................................... 2NDTU PRINTED CIRCUIT BOARD LAYOUT .................................................. 3DS-1 CONNECTION TO DIGITAL NETWORK ................................................ 6REQUIRED CONNECTORS FOR DS-1 CONNECTION AT DISTANCES OFLESS THAN 655 FEET (200 METERS) ........................................................ 7LED POSITIONS .............................................................................................. 8RED ALARM ..................................................................................................... 8YELLOW ALARM ............................................................................................. 8BLUE ALARM ................................................................................................... 9FALT LED ......................................................................................................... 9BSY LED ........................................................................................................... 9FLOWCHART SYMBOLS ................................................................................. 10TABLE LISTTITLE PAGETRANSMIT EQUALIZER SETTING SWITCH .................................................. 4S3-NDTU SLOT POSITION .............................................................................. 4 |
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