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Appendix A Cisco CRS Carrier Routing System
Table
Maximum Power Consumption, | This represents total input power. |
Modular Configuration |
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Maximum DC | 9.5 kW (assuming 88% efficiency) |
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Maximum AC | 9.8 kW (assuming 92% efficiency) |
| Note Proper grounding is also required at the site to |
| ensure that equipment is not damaged by |
| lightning or power surges. |
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|
DC Power Lug Torque Ranges |
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Minimum torque | 20 |
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Maximum torque | 30 |
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Power Redundancy, Fixed |
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Configuration |
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DC | 2N: Three “A” battery plant feeds for one PDU, and |
| three “B” battery plant feeds for the other PDU |
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|
AC (Delta or Wye | 2N: Two independent Delta or Wye |
| sources required |
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|
Power Redundancy, Modular |
|
Configuration |
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|
DC | 2N: Up to four A battery plant feeds and up to four B |
| battery plant feeds required. |
|
|
AC | 2N: Up to three A AC |
| up to three B AC |
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|
Inrush current, Fixed Configuration |
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DC | 75 A |
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AC | 160 A |
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Inrush current, Modular |
|
Configuration |
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DC | 90 Apk max |
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AC | 30 Apk max |
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DC Input, Fixed Configuration |
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Nominal input voltage | |
| |
| |
| (range |
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|
Input current | 56 A (nominal) |
(PDU rated for 60 A) | 66 A at |
|
|
DC Input, Modular Configuration |
|
Nominal input voltage | |
| |
| (range |
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Cisco CRS Carrier Routing System
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