50Chapter 2 Installation
4Repeat steps 1 through 3 for each remaining power supply in your configuration (Figure 33).
Figure 33 Upper and lower shelf power cables connected to the BIP
1 |
| 3 |
|
|
|
2 |
| 4 |
|
|
|
3 2 1 3 2 1 |
| 3 2 1 3 2 1 A1 A2 B1 B2 | |||
PS (+) | PS (+) | A/B Input Feed | PS | PS | – 48 VDC |
Lower Shelf | Upper Shelf | Returns | Lower Shelf | Upper Shelf | A/B Input Feeds |
1 = Positive lead wires | 3 = Negative lead wires |
(lower shelf power supplies) | (lower shelf power supplies) |
2 = Positive lead wires | 4 = Negative lead wires |
(upper shelf power supplies) | (upper shelf power supplies) |
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