摘要:
One exemplary embodiment is directed to an inter-networking device that performs at least one inter-networking function using physical layer information about the network of which the device is a part. Another exemplary embodiment is directed to capturing physical layer information about physical communication media that is attached to an inter-networking device. Another exemplary embodiment is directed to a technique for generating a spanning tree and/or forwarding database information for a plurality of switches in a network at a central location. The spanning tree and/or forwarding database information is generated at the central location using information including physical layer information about devices and physical communication media in the network. Another exemplary embodiment is directed to an ETHERNET physical layer device having integrated support for capturing physical layer information about the physical communication media connected to the ETHERNET physical layer device.
摘要:
One exemplary embodiment is directed to an end node that includes functionality to read information stored on or in a segment of physical communication media that is attached to the end node and to communicate the read information over a network (for example, to an aggregation point). Another exemplary embodiment is directed a wall outlet that includes functionality to read information stored on or in a segment of physical communication media connected to it and communicate at least a portion of the information read from the segment of physical communication media to an aggregation point. Another exemplary embodiment is directed a wall outlet that includes a switch and functionality to read information stored on or in a segment of physical communication media connected to it and to communicate at least a portion of the information read from the segment of physical communication media to an aggregation point.
摘要:
One exemplary embodiment is directed to a network management system that uses physical layer information in performing a network management function. Another exemplary embodiment is directed to a method of tracking channel compliance using physical layer information.
摘要:
A circuit protection system for a power panel is disclosed. The circuit protection system includes a transistor connected in a channel of a power panel, the transistor connected between return connections of a load and a return path, and the power panel including a plurality of channels connected to the load. The circuit protection system also includes control circuitry electrically connected in parallel with the transistor, the control circuitry configured to selectively activate the transistor to allow current to pass through the transistor based on an observed voltage across the transistor.
摘要:
An alarm circuit and method of monitoring a circuit protection device are disclosed. The alarm circuit includes a circuit protection device connected in series at an input voltage of a load. The alarm circuit also includes a programmable circuit connected in parallel to the circuit protection device and including an alarm signal. The programmable circuit is programmed to include a plurality of functional states, and at least one functional state corresponds to activation of the alarm signal. The at least one functional state activating the alarm signal corresponds with an interruption condition in the circuit protection device.
摘要:
A modular power distribution system comprises a chassis; and a backplane including a power input, and a plurality of module connection locations. A plurality of modules are mounted in the chassis, each module mounted to one of the module connection locations. Each module includes: (i) an OR-ing diode; (ii) a circuit protection device; (iii) a microprocessor controlling the circuit protection device; and (iv) a power output connection location. A circuit option switch is located on each module for setting the current limits for each module. A control module is provided connected to the backplane.
摘要:
A patch panel includes a back plane having front mounted pairs of termination locations, and an interconnect location electrically connected to each pair of termination locations. The termination locations connect to two patch cords. The interconnect location defines an access device for selectively accessing the termination locations. An interconnect module interfaces with the interconnect location. The module can include test access, power over Ethernet, or circuit protection features.