I would agree that it sounds like you have a -48 telco unit. Thats pretty easy to do as some form of an option or alternate. But I have no proof. Regards Paul
On Wed, Nov 21, 2012 at 7:28 AM, Peter Bell <bell.pe...@gmail.com> wrote: > I'm not familiar with that unit, but the pinout appears to match the > Efratom LPRO-101 with the exception of the power supply. > > On the LPRO, pin 8 is the -ve side of the 24V supply and pin 10 is the > +ve side. The "19V to 32V, 24V nominal" spec also matches the LPRO. > > It's possible that there is more than one variant - one with a +24V > supply to match the LPRO and another with a -48V supply for telecom > applications. > > Regards, > > Pete > > > On Wed, Nov 21, 2012 at 5:50 PM, Fabio Eboli <fabi...@quipo.it> wrote: > > Hello, > > I have a pair of FE-5682A coming, > > not that I need them, but I had flat > > shipping from the seller freakyflickers > > on ebay fro another item, I was asked 14USD each. > > > > I'm a bit confused by the pinout on > > the datasheet: > > > http://www.ko4bb.com/Manuals/05)_GPS_Timing/FEI/FE-5682A_Datasheet_REVB.pdf > > > > The pinout: > > 1 RF out > > 2 RF RTN (Chassis GND) > > 3 DC ISOL RF RTN > > 4 CHASSIS GND > > 5 Lamp Volts > > 6 BITE OUT > > 7 EXT. C-FIELD V adj. > > 8 -48V RTN > > 9 CRYSTAL V MON > > 10 POWER -48V > > > > a) power supply: > > On the specs it reports > > "Input Voltage Range +19 TO +32Vdc" > > but the pinout reports pins 10 "POWER -48V" and 8 "-48V RTN" > > how is supposed to be powered? > > > > b) pins 1 and 2 seem self explanatory, but > > pin 3 "DC ISOL RF RTN" what should mean? > > Should I connetc it to ground (or any reference I have)? > > > > c) pins 5 and 9 are monitors for working voltage of > > lamp and VCXO, am I correct? > > > > When I will have the units here I'll open them up and > > post some pics. > > > > Fabio. > > > > ---------------------------------------------------------------- > > This message was sent using IMP, the Internet Messaging Program. > > > > > > > > _______________________________________________ > > time-nuts mailing list -- time-nuts@febo.com > > To unsubscribe, go to > > https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts > > and follow the instructions there. > > _______________________________________________ > time-nuts mailing list -- time-nuts@febo.com > To unsubscribe, go to > https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts > and follow the instructions there. > _______________________________________________ time-nuts mailing list -- time-nuts@febo.com To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there.