Adtran Gmbh

Antran, Inc.

Brian Smith

Daniel M Joffe

Jacob Daniel McCleary

Steven M Robinson

Curtis W Dodd

Randall Johnston

A system for adjusting core voltage of an integrated circuit to optimize power savings has a ring oscillator on the integrated circuit for providing a ring oscillator signal. The system also has compare logic on the integrated circuit configured to compare the ring oscillator signal with a clock signal from a clock external to the integrated circuit. The compare logic is configured to make a determination whether a frequency of the clock signal is within a predefined margin of a frequency of the ring oscillator and to adjust the core voltage of the integrated circuit based on the determination. Through such adjustments, the core voltage is lowered while ensuring that the core voltage does not reach a point that causes timing errors.

Systems and methods for adjusting core voltage to optimize power savings

An enclosure for electronics includes a chassis and an interface connector positioned within the chassis and configured to provide power. A fan shelf module is received within the chassis and has at least one fan to provide air flow through the chassis. The fan shelf module includes a pinout connector along a horizontal or vertical line of symmetry and configured to engage the interface connector and receive power therefrom, such that the fan shelf module is selectively installed in one of two opposing directions allowing a fan air flow direction to the chassis to be selected as either pulling air or pushing air through the chassis depending on the installed direction of the fan shelf module.

Reversible fan module for electronic enclosures

An optical network unit includes a central office interface configured to connect to a central office local loop and customer premises and provide a central office source service. A switch and a switch device is connected to the switch and has at least one service port to provide a local source service. A relay switch is connected to the at least one service port and the central office interface. A processor is connected to the switch and relay switch and configured to receive a command message and in response switch into either the central office interface and provide the central office source service or switch into the service port and provide the local source service.

Communications system having remotely managed and configured optical network unit

A system for sensing and indicating orientation of electrical equipment has an orientation sensor and control logic. The control logic is configured to compare predefined data with a sensed orientation of the electrical equipment in order to determine whether the sensed orientation of the equipment is within an acceptable range such that sufficient cooling by a cooling system is likely to occur. If the sensed orientation of the equipment is not within the acceptable range, the control logic transmits a notification signal so that corrective action can occur. As an example, the notification signal may be used to notify a user of the improper orientation. In another example, the notification signal automatically triggers an action that compensates for the improper orientation.

Systems and methods for sensing and indicating orientation of electrical equipment with active cooling

An optical communication system includes a plurality of Customer Premises Equipment (CPE) each having a reverse power supply and configured to transmit and receive data and provide power over a wire pair connected thereto. An optical network unit is formed as a plurality of communication ports. A respective communication port is configured to provide communications data service with a respective CPE by transmitting and receiving data therewith. A power management circuit is connected to the communication ports and configured to receive power provided by each reverse power supply at a respective CPE and manage power consumption in the ONU. A processor is configured to receive alarms generated by at least one of a CPE and ONU indicative of a power fault condition and process the alarms and discriminate between different power fault conditions.

Optical network unit with redundant reverse powering from customer premises equipment with alarm fault discrimination indicative for power fault condition

A system for sensing and indicating orientation of electrical equipment comprises an orientation sensor and control logic. The control logic is configured to compare predefined data with an orientation of the electrical equipment sensed by the orientation sensor in order to determine whether the sensed orientation of the equipment is within an acceptable range such that sufficient cooling by a cooling system is likely to occur. If the sensed orientation of the equipment is not within the acceptable range, the control logic transmits a notification signal so that corrective action can occur. As an example, the notification signal may be used to notify a user of the improper orientation. In another example, the notification signal automatically triggers an action that compensates for the improper orientation.

Systems and methods for sensing and indicating orientation of electrical equipment with passive cooling

A communications system includes a communications device having a plurality of access modules each having a port and connected to a communications line and a plurality of transmitters with the respective transmitter associated in one-to-one correspondence with the communications line of an access module. Each transmitter has a line driver and is configured to couple communications signals to a respective communications line. A voltage source is connected to the line drivers and configured to provide a bias voltage to the line drivers that varies depending on a selected minimum power level. A controller is connected to the voltage source and has logic configured to change the bias voltage to the line drivers. The controller is responsive to a minimum data rate for each bias voltage.

Communications system and associated method for reducing power consumption of a telecommunications device

In accordance with a non-limiting example, a dual level surge protector adaptively selects the protection level required in response to any expected voltages that will be applied to the tip and ring lines. In one example, the surge protector has a first set value for responding to an applied battery voltage and a second set value for responding to a combination voltage that includes a battery voltage plus a ringing voltage.

Dual level surge protector circuit for telecommunication line

In accordance with a non-limiting example, an optical communications system includes a plurality of Customer Premises Equipment (CPE), each having a reverse power supply circuit and each connected to a wire pair and configured to transmit and receive data and provide reverse power over the wire pair. An Optical Network Unit (ONU) includes a plurality of communication boards. A respective communication port is connected to a selected wire pair and its associated CPE through which data is transmitted and received and power received therefrom. A power management circuit is connected to each of the communication ports and configured to receive power and provide power sharing and manage power consumption and power supply redundancy from the plurality of CPE through the communication ports.

Optical network unit with redundant reverse powering from customer premises equipment

A smart breaker includes a current detector configured to detect current flow from a power source to a protected device. A controller has logic and is configured to select a trip value in response to the detected current flow and stored configuration information relating to the protected device. The protected device includes at least one installed component requiring power and the stored configuration information can be at least one of data regarding the number of installed components in the protected device requiring power, the amount of power used by each of the installed components, and the expected power requirements of the installed components.

Smart breaker and related system and method for protecting electrical devices from fault conditions

A telecommunications system includes a telecommunications device having 'n' line card slots for receiving 'n' line cards powered from a power supply. The device includes at least one installed line card. A smart breaker is connected to the telecommunications device and includes a current detector configured to detect current flow from the power supply through the smart breaker to any installed line cards. A controller has logic and is configured to select a trip value in response to the detected current flow and stored configuration information relating to any installed line cards within the telecommunications device.

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Madison, AL, United States of America

Brian Smith