Comtech-ef-data PCB-4000 Uživatelský manuál stáhnout pdf (Strana 27)

PCB-4000 1+1 Phase Combiner Revision 2

External Connectors MN/PCB4000.IOM

2–7

2.3.3 “SSPA OUT 2 | J10” Connector

TheType‘N’“SSPAOUT2|J10”connector,locatedontherightsidepanelof

thePCCB,providestheRFsignaloutputfromthePCCBtoSSPA#2.

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2.4 Power and Ground Interfaces

2.4.1 AC Power

ThePCB‐4000derivesitspowerfromtheSSPAs.EachSSPAprovidesa+24Vsignallineviacables

interconnectingtheSSPAstothe“SSPACOM1|J2”and“SSPACOM2|J3”connectors(Pin‘R’

–seeTable2‐3inSect.2.2.2).Thesetwosignalsare“diodeOR

’ed”toprovideredundancy.



Although the PCCB will turn on and function with only one SSPA powered  on, the

systemdoesnotprovideoptimumoutputpowerunlessbothSSPAsarepoweredon.

2.4.2 Ground Connector

A#10‐32studisprovidedonthefrontpanelofthePCCBforconnectingacommon

chassisgroundamongequipment.

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Comtech-ef-data PCB-4000 Uživatelský manuál Strana 27