Description
NEC DSX-80/160 Power Supply (1091008)
The power supply provides the various DC voltages required to power the DSX-80/160 Cards. The DSX-80 4-Slot KSU requires a single power supply. The DSX-160 8-Slot KSU requires up to 3 power supplies, depending on system configuration.
- DSX-80 Qty: 1
- DSX-160 Qty: 3 (max.)
*Quantity required in DSX-160 determined by System Load Factor.
*In DSX-160, Install one power supply for every two 16ESIU Cards.
NEC DSX-80/160 PSU Load
DSX-80/160 System Load Factor Worksheet | ||||||||||
Description |
Qty |
Load Type |
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5 VDC |
40 VDC |
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Load |
Total |
Load |
Total |
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CPU Card |
1 |
12 |
12 |
0 |
0 |
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16ESIU Card |
8 |
20 |
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8SLIU Card |
5 |
8 |
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16SLIU Card |
10 |
16 |
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8COIU Card |
3 |
0 |
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16COIU Card |
6 |
0 |
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T1/E1/PRI Card |
8 |
0 |
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Item 1: Load Type Totals (Cannot exceed Item 2: Power Supply Capacity.) |
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Item 2: Power Supply Capacity |
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If you have one power supply installed, the capacity is: If you have two power supplies installed, the capacity is: If you have three power supplies installed, the capacity is: 5 VDC = 40 5 VDC = 80 5 VDC = 120 |
40 VDC = 48 40 VDC = 80 40 VDC = 120 |
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Notes: DSX-80 can only have 1 power supply. DSX-160 can have up to 3 power supplies. You cannot have more than two 16ESIU Cards per power supply, regardless of System Load Factor calculations. Exceeding the allowed Load Type Total (Item 1) will cause the systems power supplies to automatically shut down and/or cause erratic system operation. The total of all station, line, DSS Console, and voice mail ports cannot exceed 160. | ||||||||||