Optical network terminal with wide input range power converter
The disclosure describes an optical network terminal (ONT) for use in a passive optical network (PON) that includes power conversion circuitry to accommodate a variety of power source options. In particular, the power conversion circuitry converts a wide range of input direct current (DC) voltages to a DC supply voltage that powers ONT circuitry that supports communication of information via the PON.
1 . An optical network termination (ONT) for use in a passive optical network (PON), the ONT comprising:
ONT circuitry to support communication of information via the PON; and
power conversion circuitry to provide operating power to the ONT circuitry, wherein the power conversion circuitry is capable of converting a range of input voltages to a supply voltage that powers the ONT circuitry.
2 . The ONT of claim 1 , wherein the range of input voltages is in a range of approximately 10.5 volts DC (VDC) to approximately 56.5 VDC.
3 . The ONT of claim 1 , wherein the range of input voltages includes one of an input voltage of approximately 12 volts direct current (VDC) and an input voltage of approximately 48 volts direct current (VDC).
4 . The ONT of claim 1 , wherein the supply voltage is in a range of approximately 8 volts direct current (VDC) to 15 VDC.
5 . The ONT of claim 1 , wherein the supply voltage is approximately 12 volts direct current (VDC).
6 . The ONT of claim 1 , wherein the power conversion circuitry includes a wide input voltage range integrated circuit that converts a voltage in a wide range of input voltages to the supply voltage.
7 . The ONT of claim 6 , wherein the range of input voltages is in a range of approximately 10.5 volts DC (VDC) to approximately 56.5 VDC.
8 . The ONT of claim 1 , wherein the power conversion circuitry is coupled to an uninterruptible power supply (UPS) unit to receive the input voltage.
9 . The ONT of claim 1 , wherein the power conversion circuitry is coupled to a battery to receive the input voltage.
10 . The ONT of claim 1 , wherein the power conversion circuitry is coupled to an offline converter to receive the input voltage, wherein the offline converter converts power from an alternating current (AC) power supply to a direct current (DC) input voltage.
11 . The ONT of claim 1 , wherein the power conversion circuitry is capable of converting both an input voltage of 12 volts direct current (VDC) and an input voltage of 48 VDC to the supply voltage.
12 . A method for powering an optical network termination (ONT) for use in a passive optical network (PON), the method comprising:
generating an input voltage; and
converting the input voltage to a supply voltage to power circuitry within the ONT using power conversion circuitry that is capable of converting a range of input voltages to the supply voltage.
13 . The method of claim 12 , wherein the range of input voltages is in a range of approximately 10.5 volts DC (VDC) to approximately 56.5 VDC.
14 . The method of claim 12 , wherein the range of input voltages includes an input voltage of approximately 12 volts direct current (VDC).
15 . The method of claim 12 , wherein the range of input voltages includes an input voltage of approximately 48 volts direct current (VDC).
16 . The method of claim 12 , wherein the supply voltage is in a range of approximately 8 volts direct current (VDC) to 15 VDC.
17 . The method of claim 12 , wherein the supply voltage is approximately 12 volts direct current (VDC).
18 . The method of claim 12 , wherein the power conversion circuitry includes a wide input voltage range integrated circuit that converts a voltage in a wide range of input voltages to the supply voltage.
19 . The method of claim 18 , wherein the range of input voltages is in a range of approximately 10.5 volts DC (VDC) to approximately 56.5 VDC.
20 . The method of claim 12 , wherein the power conversion circuitry is coupled to an uninterruptible power supply (UPS) unit to receive the input voltage.
21 . The method of claim 12 , wherein the power conversion circuitry is coupled to a battery to receive the input voltage.
22 . The method of claim 12 , wherein the power conversion circuitry is coupled to an offline converter to receive the input voltage, the method further comprising converting power from an alternating current (AC) power supply to a direct current (DC) input voltage using the offline converter.
23 . The method of claim 12 , wherein the power conversion circuitry is capable of converting both an input voltage of 12 volts direct current (VDC) and an input voltage of 48 VDC to the supply voltage.
24 . An optical network termination (ONT) for use in a passive optical network (PON), the ONT comprising:
ONT circuitry to support communication of information via the PON; and
power conversion means for providing operating power to the ONT circuitry, wherein the power conversion means is capable of converting a range of input voltages to a supply voltage that powers the ONT circuitry.
25 . The ONT of claim 24 , wherein the range of input voltages is in a range of approximately 10.5 volts DC (VDC) to approximately 56.5 VDC.
26 . The ONT of claim 24 , wherein the range of input voltages includes an input voltage of approximately 12 volts direct current (VDC).
27 . The ONT of claim 24 , wherein the range of input voltages includes an input voltage of approximately 48 volts direct current (VDC).
28 . The ONT of claim 24 , wherein the supply voltage is in a range of approximately 8 volts direct current (VDC) to 15 VDC.
29 . The ONT of claim 24 , wherein the supply voltage is approximately 12 volts direct current (VDC).
30 . The ONT of claim 24 , wherein the power conversion means includes a wide input voltage range integrated circuit that converts a voltage in a wide range of input voltages to the supply voltage.
31 . The ONT of claim 30 , wherein the range of input voltages is in a range of approximately 10.5 volts DC (VDC) to approximately 56.5 VDC.
32 . The ONT of claim 24 , wherein the power conversion means is coupled to an uninterruptible power supply (UPS) unit to receive the input voltage.
33 . The ONT of claim 24 , wherein the power conversion means is coupled to a battery to receive the input voltage.
34 . The ONT of 24 , wherein the power conversion means is coupled to an offline converter to receive the input voltage, wherein the offline converter converts power from an alternating current (AC) power supply to a direct current (DC) input voltage.
35 . The ONT of claim 24 , wherein the power conversion means is capable of converting both an input voltage of 12 volts direct current (VDC) and an input voltage of 48 VDC to the supply voltage.