3
10. Temperatureextremescanshortenthelifeofelectronicdevices
anddistortormeltplasticparts.
11. Ifanoutsideantennaisconnectedtothereceiver,besurethe
antennasystemisgroundedtoprovidesomeprotectionagainst
voltagesurges,built-upstaticcharges,andlightningstrikes.
Section810oftheNationalElectricCode(NEC),ANSI/NFPANO.
70-1990,providesinformationwithrespecttopropergroundingof
themastandsupportingstructure,groundingofthelead-inwireto
anantennadischargeunit,sizeofgroundingconductors,location
ofantenna-dischargeunit,connectiontogroundingelectrodes,
andrequirementsforthegroundingelectrode.
12. TheCATVsysteminstaller’sattentionshouldbedirectedtoArticle
820-40oftheNECthatprovidesguidelinesforpropergrounding
and,inparticular,speciesthatthecablegroundshallbe
connectedtothegroundingsystemofthebuilding,asclosetothe
pointofcableentryaspractical.•
w Caution:
• YoumustuseaClass2powersourcethatsupplies12VDCand
delivers at least 100 mA. Its center tip must be set to positive and
its plug must fit the amplifier’s adapter jack. The supplied adapter
meets these specifications. Using an adapter that does not meet
these specifications. Using an adapter that does not meet these
specifications could damage the amplifier or the adapter.
• AlwaysconnecttheACadaptertotheamplierbeforeyou
connect it to AC power. When you finish, disconnect the adapter
from AC power before you disconnect it from the amplifer.
• Toavoidinjury,donotconnecttheadaptertoaceilingoutlet.
1 Select a Location
Yourampliershouldbeplacedclosetoyourinputsourceand
anACoutlet.Youcanmounttheamplieronawallorother
surfaceusing#6screws(notsupplied).
• Donotplacetheamplieroutdoors.