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H831PDMA is a DC power board that directly supplies or converts the combined dual -48 V DC power. It then outputs -48 V DC and +12 V DC to the backplane and, through the backplane, powers the service boards, vectoring processing board, control board, and fan monitoring board.
Quick Specs
Table 1 shows the Quick Specs.
|
Model |
H831PDMA |
|
Input voltage range |
-38.4 V to -72 V |
|
Maximum input current |
16 A |
|
Backup power |
Not supported |
|
Output power |
550 W |
|
EMI |
CE: CLASS A RE: CLASS B |
|
Surge protection |
2 kV in differential mode or 4 kV in common mode |
Product Details
H831PDMA provides these highlights:
★Value
•Supports one-48 V DC power input.
•Supports protection against over-temperature, output overcurrent, output short-circuit, and output over-voltage.
•Supports alarm detection on inputs.
•Supports fan power supply alarm detection.
★External Ports
Input: one -48 V input OT terminal
Output: one -48 V DC output terminal, one 12 V output terminal, one group of 5X11 signal connection terminals
Compare to Similar Items
Table 2 shows the comparison between H831PAMA and H831PDMA.
|
Model |
H831PAMA |
H831PDMA |
|
Input voltage range |
90-264 V AC |
-38.4 V to -72 V |
|
Maximum input current |
8 A |
16 A |
|
Backup power |
Not supported |
Not supported |
|
Output power |
550 W |
550 W |
|
EMI |
CLASS B |
CE: CLASS A RE: CLASS B |
|
Surge protection |
3 kA in differential mode or 5 kA in common mode |
2 kV in differential mode or 4 kV in common mode |
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H831PDMA Specification |
|
|
Input voltage range |
-38.4 V to -72 V |
|
Maximum input current |
16 A |
|
Backup power |
Not supported |
|
Output power |
550 W |
|
EMI |
CE: CLASS A RE: CLASS B |
|
Surge protection |
2 kV in differential mode or 4 kV in common mode |
|
Operating temperature |
-40°C to +65°C |
| Характеристики | |
| Backup power | Not supported |
| EMI | CE: CLASS ARE: CLASS B |
| Input voltage range | -38.4 V to -72 V |
| Maximum input current | 16 A |
| Operating Temperature | -40°C to +65°C |
| Output Power | 550 W |
| Surge Protection | 2 kV in differential mode or 4 kV in common mode |
Теги: H831PDMA Huawei