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Request info on 12/48v PSU


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1












$begingroup$


I've got a power supply unit from a defunct/decommissioned Satellite Internet setup, and I'm hoping to get clarification on some of the markings on the label.



In the following picture, there's four pin numbers, followed underneath of pins 1 and 2 both volts and max amps, and pins 3 and 4 simply "RETURN".



My question is whether I'm reading the label correctly. (Technically, I've got a few questions here).



Does max(A) under pin 1 mean that at 12v I've got 2.99A available, and at the 48v pin, I've got a max of 0.82A?



Also, when pins 3 and 4 are reflected as return, I'm assuming that means ground, yes?



I'll summarize my questions here to consolidate:



1) is pin 1 +12v @ 2.99A?



2) is pin 2 +48v @ 0.82A?



3) are pins 3 and 4 ground pins, that could (and potentially should) be wired together if both pin 1 and 2 are in use simultaneously?



Here's the pic of the label of the power supply in question:



enter image description here









share









$endgroup$








  • 2




    $begingroup$
    To me it seems your interpretation of the label is correct.
    $endgroup$
    – K. S.
    4 hours ago






  • 1




    $begingroup$
    @K.S. I thought so. It appears obvious, but I thought I'd ask the experts.
    $endgroup$
    – stevieb
    4 hours ago
















1












$begingroup$


I've got a power supply unit from a defunct/decommissioned Satellite Internet setup, and I'm hoping to get clarification on some of the markings on the label.



In the following picture, there's four pin numbers, followed underneath of pins 1 and 2 both volts and max amps, and pins 3 and 4 simply "RETURN".



My question is whether I'm reading the label correctly. (Technically, I've got a few questions here).



Does max(A) under pin 1 mean that at 12v I've got 2.99A available, and at the 48v pin, I've got a max of 0.82A?



Also, when pins 3 and 4 are reflected as return, I'm assuming that means ground, yes?



I'll summarize my questions here to consolidate:



1) is pin 1 +12v @ 2.99A?



2) is pin 2 +48v @ 0.82A?



3) are pins 3 and 4 ground pins, that could (and potentially should) be wired together if both pin 1 and 2 are in use simultaneously?



Here's the pic of the label of the power supply in question:



enter image description here









share









$endgroup$








  • 2




    $begingroup$
    To me it seems your interpretation of the label is correct.
    $endgroup$
    – K. S.
    4 hours ago






  • 1




    $begingroup$
    @K.S. I thought so. It appears obvious, but I thought I'd ask the experts.
    $endgroup$
    – stevieb
    4 hours ago














1












1








1





$begingroup$


I've got a power supply unit from a defunct/decommissioned Satellite Internet setup, and I'm hoping to get clarification on some of the markings on the label.



In the following picture, there's four pin numbers, followed underneath of pins 1 and 2 both volts and max amps, and pins 3 and 4 simply "RETURN".



My question is whether I'm reading the label correctly. (Technically, I've got a few questions here).



Does max(A) under pin 1 mean that at 12v I've got 2.99A available, and at the 48v pin, I've got a max of 0.82A?



Also, when pins 3 and 4 are reflected as return, I'm assuming that means ground, yes?



I'll summarize my questions here to consolidate:



1) is pin 1 +12v @ 2.99A?



2) is pin 2 +48v @ 0.82A?



3) are pins 3 and 4 ground pins, that could (and potentially should) be wired together if both pin 1 and 2 are in use simultaneously?



Here's the pic of the label of the power supply in question:



enter image description here









share









$endgroup$




I've got a power supply unit from a defunct/decommissioned Satellite Internet setup, and I'm hoping to get clarification on some of the markings on the label.



In the following picture, there's four pin numbers, followed underneath of pins 1 and 2 both volts and max amps, and pins 3 and 4 simply "RETURN".



My question is whether I'm reading the label correctly. (Technically, I've got a few questions here).



Does max(A) under pin 1 mean that at 12v I've got 2.99A available, and at the 48v pin, I've got a max of 0.82A?



Also, when pins 3 and 4 are reflected as return, I'm assuming that means ground, yes?



I'll summarize my questions here to consolidate:



1) is pin 1 +12v @ 2.99A?



2) is pin 2 +48v @ 0.82A?



3) are pins 3 and 4 ground pins, that could (and potentially should) be wired together if both pin 1 and 2 are in use simultaneously?



Here's the pic of the label of the power supply in question:



enter image description here







power-supply





share












share










share



share










asked 4 hours ago









steviebstevieb

1265




1265








  • 2




    $begingroup$
    To me it seems your interpretation of the label is correct.
    $endgroup$
    – K. S.
    4 hours ago






  • 1




    $begingroup$
    @K.S. I thought so. It appears obvious, but I thought I'd ask the experts.
    $endgroup$
    – stevieb
    4 hours ago














  • 2




    $begingroup$
    To me it seems your interpretation of the label is correct.
    $endgroup$
    – K. S.
    4 hours ago






  • 1




    $begingroup$
    @K.S. I thought so. It appears obvious, but I thought I'd ask the experts.
    $endgroup$
    – stevieb
    4 hours ago








2




2




$begingroup$
To me it seems your interpretation of the label is correct.
$endgroup$
– K. S.
4 hours ago




$begingroup$
To me it seems your interpretation of the label is correct.
$endgroup$
– K. S.
4 hours ago




1




1




$begingroup$
@K.S. I thought so. It appears obvious, but I thought I'd ask the experts.
$endgroup$
– stevieb
4 hours ago




$begingroup$
@K.S. I thought so. It appears obvious, but I thought I'd ask the experts.
$endgroup$
– stevieb
4 hours ago










1 Answer
1






active

oldest

votes


















2












$begingroup$

Yes, your interpretation of the label is correct as far as I can tell.



Note also that $12 mathrm{V}·2.99 mathrm{A} + 48 mathrm{V}·0.82 mathrm{A} = 75.24 mathrm{W}$, in agreement with the 75 W power rating. This, combined with how simple this interpretation of the markings is, is sufficient evidence for me to say with confidence that you are correct.





schematic





simulate this circuit – Schematic created using CircuitLab






share|improve this answer











$endgroup$













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    1 Answer
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    1 Answer
    1






    active

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    active

    oldest

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    active

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    2












    $begingroup$

    Yes, your interpretation of the label is correct as far as I can tell.



    Note also that $12 mathrm{V}·2.99 mathrm{A} + 48 mathrm{V}·0.82 mathrm{A} = 75.24 mathrm{W}$, in agreement with the 75 W power rating. This, combined with how simple this interpretation of the markings is, is sufficient evidence for me to say with confidence that you are correct.





    schematic





    simulate this circuit – Schematic created using CircuitLab






    share|improve this answer











    $endgroup$


















      2












      $begingroup$

      Yes, your interpretation of the label is correct as far as I can tell.



      Note also that $12 mathrm{V}·2.99 mathrm{A} + 48 mathrm{V}·0.82 mathrm{A} = 75.24 mathrm{W}$, in agreement with the 75 W power rating. This, combined with how simple this interpretation of the markings is, is sufficient evidence for me to say with confidence that you are correct.





      schematic





      simulate this circuit – Schematic created using CircuitLab






      share|improve this answer











      $endgroup$
















        2












        2








        2





        $begingroup$

        Yes, your interpretation of the label is correct as far as I can tell.



        Note also that $12 mathrm{V}·2.99 mathrm{A} + 48 mathrm{V}·0.82 mathrm{A} = 75.24 mathrm{W}$, in agreement with the 75 W power rating. This, combined with how simple this interpretation of the markings is, is sufficient evidence for me to say with confidence that you are correct.





        schematic





        simulate this circuit – Schematic created using CircuitLab






        share|improve this answer











        $endgroup$



        Yes, your interpretation of the label is correct as far as I can tell.



        Note also that $12 mathrm{V}·2.99 mathrm{A} + 48 mathrm{V}·0.82 mathrm{A} = 75.24 mathrm{W}$, in agreement with the 75 W power rating. This, combined with how simple this interpretation of the markings is, is sufficient evidence for me to say with confidence that you are correct.





        schematic





        simulate this circuit – Schematic created using CircuitLab







        share|improve this answer














        share|improve this answer



        share|improve this answer








        edited 3 hours ago









        Jasen

        11.4k1531




        11.4k1531










        answered 4 hours ago









        HearthHearth

        4,6601137




        4,6601137






























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