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ACCE1 Power Capacity
#1
Dears,

How many cards can I use in Power UMAC with one ACC-E1?
I have 1 Power UMAC 465 CPU, 4 ACC24E3, 2 ACC84E, 1 ACC72EX, 2ACC65E.
It seems that ACC-E1 can not support so many cards.

Any body can give me some useful suggestion.

Thanks!
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#2
The ACC-E1 has the following specifications:
+5V @ 14A
+15V @ 1.5A
-15V @ 1.5A

It could be possible with that “load” of cards the ACC-E1 is compromised but the total of the cards listed are well within the specification above:
Power UMAC 465 CPU @3.0A
4 x ACC24E3 @1.5A = 6.0A
2 x ACC84E @0.36A = 0.72A
1 x ACC72EX @1.0A = 1.0A
2 x ACC65E @0.38A = 0.76A

What issues are you seeing?

Note that the UMAC backplane has separate terminals for an external PS.
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