Gigabit QAM Modulator Model D9479 Hardware Installation and ...
Gigabit QAM Modulator Model D9479 Hardware Installation and ...
Gigabit QAM Modulator Model D9479 Hardware Installation and ...
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Front Panel OverviewFront Panel OverviewFront Panel DiagramThis illustration shows the front panel components of each type of G<strong>QAM</strong>.Front Panel ComponentsThe following table provides front panel alarm <strong>and</strong> component descriptions thatcorrespond to each number in the preceding labeled diagram of each type of G<strong>QAM</strong>.Item Component Description1 MAJOR ALARMindicator2 MINOR ALARMindicatorThis LED is red <strong>and</strong> lights for a major alarm condition. Majoralarms occur for hardware or software conditions thatindicate a serious disruption of service or the malfunctioningor failure of important circuits. The LED goes off when allmajor alarms have cleared.This LED is yellow <strong>and</strong> lights for a minor alarm condition.Minor alarms indicate a less critical error condition. TheG<strong>QAM</strong> may continue to operate with some loss offunctionality. The LED goes off when all minor alarms havecleared.3 CW indicator This LED is yellow <strong>and</strong> lights when any one of the RF carriersis set to continuous wave (CW) mode.4 LCD alphanumericdisplay screenThis screen displays status <strong>and</strong> operating screens controlledby the front panel keys.78-745431-01 Rev E 7
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