Radio is powered on
Red Voltmeter lead on - Black Voltmeter lead on Ground Lug.
Meter reports -48v
On 3/5/2019 2:41 PM, [email protected] wrote:
You would want to do more than an ohmmeter test.
Power it up and see if you get –48 between the ground lug and the – leg.
*From:* Nate Burke
*Sent:* Tuesday, March 5, 2019 1:31 PM
*To:* AnimalFarm Microwave Users Group
*Subject:* Re: [AFMUG] Cambium 820 DC Power Sanity Check
The 820 has continuity between the + DC power terminal and the ground
lug.
On 3/5/2019 2:28 PM, Roland Houin wrote:
The 820 floats
roland
*From:* AF mailto:[email protected] *On Behalf Of *TJ Trout
*Sent:* Tuesday, March 5, 2019 3:17 PM
*To:* AnimalFarm Microwave Users Group mailto:[email protected]
*Subject:* Re: [AFMUG] Cambium 820 DC Power Sanity Check
yes but if the psu has a case ground and the 820 has a case ground
and the two have a ground path, you will short.
On Tue, Mar 5, 2019 at 11:45 AM Nate Burke <[email protected]> wrote:
I have a 48VDC Power supply with + and - Terminals
The 820 Radio has a DC Power port with + and - Terminals
The 820 radio is expecting -48V
To get -48V to the 820 Radio
The + of the power supply goes to the - of the radio
and the - of the power supply goes to the + of the radio?
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