The antenna ground is common to the negative power bus. JH ----- Original Message ----- From: "Tom Haynes" <[EMAIL PROTECTED]> To: <[EMAIL PROTECTED]> Sent: Sunday, August 03, 2003 5:16 PM Subject: RE: [smartBridges] Power and other grounds in aPPO
> All power and ground pairs are isolated from any ground on the units. The > internals of the APPo are also isolated from a case ground. The barrel of > the antenna connector is attached to the circuit board ground plane but I > don't think it is tied to the power supply ground. > > -----Original Message----- > From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] > On Behalf Of Bill Clark > Sent: Sunday, August 03, 2003 7:16 PM > To: [EMAIL PROTECTED] > Subject: [smartBridges] Power and other grounds in aPPO > > > sB Support, > > I intend to power several aPPOs (and backhaul gear) from a single 18VDC > UPS and am looking for problems such as power shorts and up-tower ground > loops. > > What is the relation between the aPPO's power pairs and any internal > grounds, mechanical grounds, and the coax connector? > > Bill Clark > > > The PART-15.ORG smartBridges Discussion List > To Join: mailto:[EMAIL PROTECTED] (in the body type subscribe > smartBridges <yournickname> > To Remove: mailto:[EMAIL PROTECTED] (in the body type unsubscribe > smartBridges) > Archives: http://archives.part-15.org > > The PART-15.ORG smartBridges Discussion List > To Join: mailto:[EMAIL PROTECTED] (in the body type subscribe smartBridges <yournickname> > To Remove: mailto:[EMAIL PROTECTED] (in the body type unsubscribe smartBridges) > Archives: http://archives.part-15.org The PART-15.ORG smartBridges Discussion List To Join: mailto:[EMAIL PROTECTED] (in the body type subscribe smartBridges <yournickname> To Remove: mailto:[EMAIL PROTECTED] (in the body type unsubscribe smartBridges) Archives: http://archives.part-15.org
