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Vodavi Starplus 2448ex Hybrid Key Telephone System Installation Manual

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    							sTARPLUS@ 2448EX 
    Hybrid Key Telephone System 
    SECTION 700 
    SYSTEM CHECKOUT 
    700.1 INTRODUCTION 
    Prior to actual power up and initialization, the Key 
    System should be checked over to avoid start up 
    delays or improper loading. A step-by-step checklist 
    is provided for this purpose. 
    700.2 
    PRELIMINARY PROCEDURES 
    1. Verify that the DC output power cord from the 
    EPH housing is plugged into the DC connector 
    on the KSU. 
    2. Make sure that the KSU and EPH are properly 
    grounded. 
    3. The DC/DC Converter must be installed in the 
    KSU and firmly seated in its card connector 
    position. 
    4. The ON/OFF switches of the EPH housing and 
    the KSU should be OFF. The breaker switch of 
    the EPH should be ON. 
    5. Verify that all PCB’s are firmly plugged into the 
    correct color coded card slot positions. This 
    can be done by comparing the color of the PCB 
    . ejector tabs with the colored labels on the KSU 
    shelves. 
    6. The service switches on the PCB’s should be 
    in the NORMAL (up) position. 
    7. Inspect the MDF for shorted wiring and im- 
    proper polarii that would affect the Key Tele- 
    phone or DSS console. 
    8. All switches on the CPB should be ON so that 
    default data can be loaded into memory when 
    the system is powered up, Make certain that 
    the lithium battery is connected to the battery 
    (+) terminal. 
    9. Make sure that plug-ended MDF cables con- 
    nected to the KSU are secure and are plugged 
    into the correct position. 
    700.3 POWER UP SEQUENCE 
    The power up sequence involves the proper appli- 
    cation of AC power to the System, monitoring DC/DC 
    Converter and CCU LED’s. A successful power up 
    is assured if the installation checklist has been fol- 
    lowed. When System power is turned on, default 
    data is loaded into memory. 
    1. The eight white DIP switches on the front of the 
    CCU should all be in the ON position. 
    2. Plug the AC power cord of the EPH housing 
    into the dedicated 1 IN ac outlet. Turn the 
    power switch on the EPH to on. The input and 
    output LED’s on the power supply should light. 
    The AC and DC, LED’s on the front of the EPH 
    should light. 
    3. Turn the power switch of the KSU to ON. The 
    EPH ring LED will 
    now flicker (If RG unit is 
    installed). 
    4. The two red LED’s on the DC/DC Converter 
    should light immediately. 
    5. The CCU has eight red LED’s located on the 
    front of the card. If the power up is successful 
    LED’s one, two, and three will light steady and 
    then go off. LED eight will light and remain lit. 
    LED five will flicker. LED’s two and three will 
    flicker faintly. 
    6. Press the reset button on the CCU. The above 
    CCU LED indications will repeat. 
    7. Check for +5V and +14V operation on the 
    DC/DC Converter and adjust the +5V, if neces- 
    sary. A digital volt meter is required to adjust 
    the 5 volts. 
    8. Turn switch eight on the CCU to off to prevent 
    accidental loading of defauft data in case of 
    power outage. 
    9. The system is ready for programming. If any 
    problems have occurred, Refer to Section 800, 
    Maintenance and Troubleshooting. 
    issue 3, August 1991 
    700-l  
    						
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