Cisco CX-FEIP-1TX= Installation and con?guration Guide de l'utilisateur Page 405

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PTP 800 Series User Guide Installing the CMU
phn-2513_004v000 (Oct 2012)
5-83
Figure 101 Cambium AC to DC converter
For details of alternative power supply arrangements, refer to Power supply considerations
on page 2-4. If an alternative power supply is to be installed, ensure that it meets the
following safeguards:
The DC supply has over current protection that does not exceed 3 amps
There is a way to isolate the CMU from the DC supply.
If a DC connector has to be attached to the DC output cable, use the following pin
connections:
Pin 1: 48 Volts
Pin 2: 0 Volts
Pin 3: Not Connected
Pin 4: Chassis ground
Pin 1 is the left most pin on the CMU power connector when looking at the front panel.
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