Cisco 10008 Manuale di avvio rapido - Pagina 22
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Figure 14
DC Power Connections
Step 4
Connect the DC power lead from the first external power source to the DC terminal block A labeled –48V.
Connect the return wire (RTN) to terminal block A labeled RTN (+).
Step 5
• If you have redundant DC power, continue with Step 6.
• If you do not have redundant DC power, go to Step 8.
Step 6
Connect the DC power lead from the second external power source to the DC terminal block B labeled –48V.
Connect the return wire (RTN) to terminal block B labeled RTN (+).
Step 7
22
R T N ( +
)
– 4 8 / –
6 0
V
DC terminal
block A
R T N ( +
)
– 4 8 / –
6 0
V
DC terminal
block B