Networking device serviceability may be provided. A networking device may be disposed in a rack between uprights. The networking device may comprise a first plurality of switch bars each comprising a first switch type arranged parallel to one another, a second plurality of switch bars each comprising a second switch type arranged parallel to one another, and a third plurality of switch bars each comprising a third switch type arranged parallel to one another. The first plurality of switch bars, the second plurality of switch bars, and the third plurality of switch bars may be arranged orthogonally. A hinge device associated with the networking device may be configured to allow the networking device to rotate at least a predetermined angle value from a first position between the uprights to a second position where both the first plurality of switch bars and the second plurality of switch bars are clear from the uprights.

Connectors for a networking device may be provided. A networking device may comprise a first plurality of switch bars each comprising a first switch type arranged parallel to one another, a second plurality of switch bars each comprising a second switch type arranged parallel to one another, and a third plurality of switch bars each comprising a third switch type arranged parallel to one another. The first plurality of switch bars, the second plurality of switch bars, and the third plurality of switch bars may be arranged orthogonally. A first one of the first plurality of switch bars may be connected to a first one of the second plurality of switch bars via a retractable mechanical connector mechanism.

A cooling system for a networking device may be provided. The networking device may comprise a first plurality of switch bars each comprising a first switch type arranged parallel to one another, a second plurality of switch bars each comprising a second switch type arranged parallel to one another, and a third plurality of switch bars each comprising a third switch type arranged parallel to one another. The first plurality of switch bars, the second plurality of switch bars, and the third plurality of switch bars may be arranged orthogonally. A plurality of cooling passages may be configured to supply a coolant to the apparatus and to exhaust the coolant from the apparatus. The coolant may pass through the first plurality of switch bars, the second plurality of switch bars, and the third plurality of switch bars.

Methods and systems are disclosed for optical network link traversal, including a method comprising the steps of receiving, by a traverser software module for an optical network, from a first node in a network link defining a path in the optical network, one or more node sets indicative of one or more of a second node also in the network link; determining, with the traverser software module, an order of traversal of the one or more node sets; traversing the network link using the determined order of traversal; communicating, by the traverser software module, information with a feature manager software module for a first software feature, the first software feature configured to perform a function specific to a specific node; and triggering, by the feature manager software module, the first software feature to execute one or more computer executable instruction based on information from the traverser software module.

Techniques for efficiently utilize the available bandwidth in a communication network are described. One example implementation includes a method of optical communication including receiving bandwidth requests from multiple network devices in an optical network, receiving communication capability information about the multiple network devices, generating a transmission schedule that specifies transmissions in the optical network in multiple time slots with a corresponding modulation format, and transmitting and/or receiving data based on the transmission schedule.

Delivering a radio frequency (RF) signal to a remote phased array antenna system involves using an optical modulator at an RF source location to modulate a high power optical carrier signal with a source RF signal S.sub.RF so as to produce a high power transmit modulated optical carrier (TMOC) signal. An optical link communicates the high power TMOC signal to a remote antenna location, where the high power TMOC is split into N optical paths to obtain N reduced power TMOC signals. In each of the N optical paths, photodetection operations are performed upon the reduced power TMOC signal to obtain N reduced power S.sub.RF signals which are then constructively combined to obtain a high power S.sub.RF signal which is communicated to at least one antenna element.

Herein is disclosed a combined telecommunications and power network, the network comprising: one or more optical network terminals; one or more optical network splitters, wherein each of the optical network splitters are optically connected to one or more of the optical network terminals; one or more optical line terminals, wherein each of the optical line terminals are optically connected to one or more of the optical network splitters; one or more network switches, wherein each of the network switches are connected to one or more of the optical line terminals; one or more routers, wherein each of the routers are connected to one or more of the network switches, and electrically connected to one or more modems; one or more automatic transfer switches, wherein each of the automatic transfer switches electrically powers one or more of the optical line terminals; one or more power sources, wherein each of the power sources is electrically connected to a respective one of the automatic transfer switches; and a server system, wherein the server system is in communication with one or more of: one or more of the network switches and one or more of the optical network terminals.

Herein is disclosed a combined telecommunications and power network, the network comprising: one or more optical network terminals; one or more optical network splitters, wherein each of the optical network splitters are optically connected to one or more of the optical network terminals; one or more optical line terminals, wherein each of the optical line terminals are optically connected to one or more of the optical network splitters; one or more network switches, wherein each of the network switches are connected to one or more of the optical line terminals; one or more routers, wherein each of the routers are connected to one or more of the network switches, and electrically connected to one or more modems; one or more automatic transfer switches, wherein each of the automatic transfer switches electrically powers one or more of the optical line terminals; one or more power sources, wherein each of the power sources is electrically connected to a respective one of the automatic transfer switches; and a server system, wherein the server system is in communication with one or more of: one or more of the network switches and one or more of the optical network terminals.

A system supporting the daisy chaining of remote optical line terminals.

This application provides a system for device control based on optical communication. A device supporting optical communication is introduced into a conventional system for device control. The system includes a first controller, a first optical head-end, a first optical terminal, and a first field device. The first controller communicates with the first field device through the first optical head-end. The first field device communicates with the first controller through the first optical terminal. The first optical head-end communicates with the first optical terminal through an optical signal.