Grounding; Coaxial!Cable; Control!Cable - OM POWER OM2000+ User Manual

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4.1.'

Grounding'

The)amplifier)has)to)be)grounded)properly!)Connect)the)screw)on)the)rear)panel)of)the)amplifier)to)
your)local)grounding)system)with)a)copper)cable;)use)a)cross]section)of)4)mm
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Connect!your!transceiver!to!the!same!grounding!system!of!your!shack!carefully!!Use!minimum!length!
cables! and! make! certain! that! the! connections! are! both! physically! and! electrically! sound.! With! poor!
grounding,!you!may!risk!damaging!your!equipment,!having!problems!with!TVI/BCI!or!your!transmitted!
signal!may!be!distorted.!
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4.2. Coaxial'Cable'
The!output!of!the!transceiver!is!to!be!connected!to!the!input!of!the!amplifier!via!RG58!or!similar!cable.!
For!the!connection!between!the!power!amplifier!and!the!antenna,!!RG213!or!similar!coaxial!cable!
suited!for!high!power!is!recommended.!All!the!INPUT!and!three!OUTPUT!(ANT1,!ANT2,!ANT3)!!SOa239!
sockets!with!Teflon!insulation!are!used.!
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Rier)view)of)the)amplifier)OM2000+)
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)))))Fuses!!!!!!!!!!!!Mains)Plug!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!HF)Outputs)
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) Blower)))))))))))Grounding)point)))))))))))))))))))Control))))))))))))))))))))))))))))))))))))))))))))))))HF)Input)
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4.3. Control'Cable'
Control!cable!maintains!TX!/!RX!switching!of!the!PA!!(TX!GND).!The!cable!is!shielded.!On!the!side!of!the!
power! amplifier! a! CINCHasocket! is! used.! On! the! side! of! your! transceiver! you! have! to! use! a! socket!
suitable!for!this!transceiver.!During!transmitting!the!middle!pin!is!connected!to!the!ground.!The!relays!
of!the!OM2000+!have!to!be!switched!earlier!than!HF!is!applied!(cold!switching).!Modern!transceivers!
they!have!a!time!delay!between!PTT!switching!and!power!output.!
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CAUTION)
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