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3.4.5 Power Supply
3.4.5.1 Connecting the AC Power Cable
The two AC power supply units in the FD1616GS allow for 1 + 1 power redundancy. If one
power supply unit fails, then the system will continue to operate using the remaining
power supply unit. Additionally, to ensure true AC line input redundancy for the OLT, you
should connect each AC power cable to a different AC power source. You can also
connect an uninterruptible power supply (UPS) between each AC power source and the
OLT to increase the availability of the OLT.
1. Get the supplied AC power cords from the OLT's shipment kit.
2. Connect one end of each AC power cord into the AC power inlet connectors located
at the rear of the OLT.
3. Connect the other ends of the power cords into AC wall outlets. Connect each AC
power cord to a different AC power source if you want AC line input power redundancy.
3.4.5.2 Connecting the DC Input Power Cable
1. Identify the parts that you will use to assemble the DC input power cable
The following DC connection cable is required to assemble one or more DC power input
cables. These cables connect the -48V DC input source(s) to the power supply units.
2. Turn off power from the DC power source through the circuit breakers.
Caution - Do not proceed with these instructions until you have turned off the power from
the DC power source through the circuit breakers.
3. Get a DC input plug from the ship kit.
4. Locate the four wires coming from the DC power source that will be used in the
connection to your unit::
-48V: negative terminal
-48V : Return (positive terminal)
-48V: Earth ground
5. Strip 5/16 inches(8mm) of insulation from each of the wires coming from the DC
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