Matches 1 - 50 out of 114 1 2 3 >


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US20130064539 Transparent Overhead In a Passive Optical Network that Supports Enhanced Features  
A Gigabit-capable Passive Optical Network (GPON), including an enhanced Optical Line Termination (OLT) and Optical Network Units (ONUs), provides enhanced features, e.g., features defined in...
US20130177306 NOISE-RESILIENT CONSTELLATIONS FOR AN OPTICAL TRANSPORT SYSTEM  
Various embodiments of a 16-QAM (quadrature-amplitude-modulation) constellation having one or more subsets of its sixteen constellation points arranged within respective one or more relatively...
US20120163799 Method for Transmitting OAM Message and Processing Error in PON System  
A method of transmitting an Operations, Administration and Maintenance (OAM) message and of processing an error in a Passive Optical Network (PON) system is provided. Using an OAM packet format...
US20120219283 System And Method For Identifying A Length Of An Installed Fiber Cable  
Current approaches for determining and identifying whether a correct length of fiber cable is installed between network elements configured to communicate using specific lengths of cable require...
US20120114327 METHOD AND APPARATUS FOR ADAPTIVE OPTICAL WIRELESS COMMUNICATION  
An optical wireless communication device having a PhotoDiode (PD) for photosensitive detection means, receives a guide message from a specific optical wireless communication device, determines any...
US20090317073 SYSTEMS AND METHODS FOR ETHERNET EXTENSION AND DEMARCATION  
The present invention provides Ethernet extension and demarcation functionality through a Multi-Source Agreement (MSA) pluggable transceiver in a customer or remote device. The pluggable...
US20130170826 802.3av Compliant Method Using Small Timescale Bandwidth Assignment for Increased ONU Downstream Energy Efficiency  
A method for small scale time increased bandwidth assignment to increase optical network unit ONU downstream energy efficiency includes splitting of downstream scheduling cycles into multiple...
US20110221601 Detecting Engagement Conditions Of A Fiber Optic Connector  
A fiber optic device is connectable to a fiber optic cable connector to provide an optical communication channel. The fiber optic device is operable to detect a plurality of engagement conditions...
US20140133843 OPTICAL LINE TERMINAL AND OPTICAL NETWORK UNIT FOR SUPPORTING SLEEP MODE THEREOF  
An optical line terminal is provided which includes an upward band allocating unit configured to send an upward bandwidth allocation map to an optical network unit and to determine a sleep mode of...
US20070145271 Quantum information conversion between matter and light representations  
Structures and methods allow: transfer of quantum information represented using the states of light to a representation using the states of matter systems; transfer of quantum information...
US20110206366 OPTOELECTRONIC SENSOR  
An optoelectronic sensor, comprising a first strip having transmitter elements and/or receiver elements, a second strip having transmitter elements and/or receiver elements, wherein the...
US20110076010 TCM PATH SEARCH METHOD, TCM PATH CREAETION METHOD, PATH SEARCH MANAGEMENT SYSTEM, AND PATH CREATION MANAGEMENT SYSTEM  
A Tandem connection monitoring (TCM) path search method, a TCM path creation method, a path search management system, and a path creation management system are provided. The source end TCM mode...
US20050047778 Modular controller that interfaces with modular optical device  
A controller for optical components. A controller includes an analog interface that is configured to connect to an optical component external to the controller. The analog interface is able to...
US20140369681 Method And Apparatus For Alien Device Identification In Passive Optical Networks  
A manner of detecting the presence of alien devices, for example ONUs, that are transmitting upstream in an optical access network such as a PON. An alien detection device, for example a properly...
US20100329667 INTERFEROMETER, DEMODULATOR, AND OPTICAL FIBER COMMUNICATION MODULE  
In a delay line interferometer inside a demodulator, with respect to polarization states of two split beams of light to be interfered with each other, p polarization and s polarization are...
US20120106947 METHOD FOR MONITORING FIBER LINE STATE, REPEATER, SUBMARINE CABLE SYSTEM  
The present invention relates to communications technologies, and discloses a method for monitoring the state of a fiber line, a repeater, and a submarine cable system. The repeater includes a...
US20140153918 CABLING CONNECTIVITY MONITORING AND VERIFICATION  
Connectivity between components in a system is monitored by applying a low voltage at one end of an RF cable, interpreted as a “0” logical state, and determining whether a similar voltage appears...
US20080310835 SYSTEM FOR VALIDATING INSTALLATION OF OPTICAL NETWORK DEVICES  
A system for validating installation of optical network devices is disclosed. A system that incorporates teachings of the present disclosure may include, for example, an optical network device...
US20140169785 SMART SMALL FORM-FACTOR PLUGGABLE TRANSCEIVER FOR DATA NETWORKS  
In one embodiment, a smart small form-factor pluggable (SSFP) transceiver—compatible with SFP size, power, and interconnection standards—includes an optical transceiver, an electrical connector, a...
US20080310836 Manufacturing System and Method Using IR Communications Link  
An automated test system for testing devices being manufactured comprises an infrared communications link for free space communications between a host and a device under test. The communications...
US20130209087 ASYMMETRIC OTN NETWORK TRAFFIC SUPPORT  
A method of network communications includes determining an access identifier (AID) for an egress signal through a network interface of a network element, an Optical Transport Network (OTN)...
US20060083511 Network tap module  
A network tap module having a network line monitoring function has a signal splitter to split a signal received from a network into a first copy which is returned to the network and a second copy....
US20090060494 Light emitter controlling  
Embodiments related to light emitter control are described and depicted.
US20080292311 Intelligent Transmitter Module  
An intelligent transmitter module (“ITM”) includes a CDR circuit for equalizing and retiming an electrical data signal, a driver for generating a modulation signal and/or performing waveform...
US20080232794 PON WITH DISTRIBUTED VIRTUAL PORT LOOPBACK  
A passive optical network (PON) access network connected to an external data network can be tested using a remote test host operating on the external data network by looping test data from the...
US20100166420 APPARATUS AND METHOD FOR CONTROLLING ROUTE AND RESOURCE IN PACKET-OPTIC CONVERGENCE NETWORK  
There is provided a method of controlling routes and resources in a packet-optic convergence network. The method includes receiving PTL route information between edge devices of the packet-optic...
US20090279886 Burst-mode data recovery for multi-gigabit passive optical networks  
In a TDMA optical network, a clock data recovery module uses signal oversampling and preamble correlation together with enhanced performance modules to extract additional data from the upstream...
US20100014853 Method and Apparatus for End of Life Small Form-Factor Pluggable (SFP)  
A method, system and computer-usable medium are disclosed for visually indicating the remaining life of a small form factor pluggable (SFP) optical transceiver module. The total number of optical...
US20100129071 Wavelength division multiplexed systems with optical performance monitors  
The specification describes optical performance monitors which are simplified by coupling single tunable optical filters to multiple channels being monitored. Optical measurements for more than...
US20080285969 Optical transmission method and device  
In an optical transmission method and device of a point-multipoint type, whether or not identification information of an optical network unit designated is received within a fixed phase tolerance...
US20130202293 Systems and Methods for Ethernet Passive Optical Network Over Coaxial (EPOC) Power Saving Modes  
Systems and methods for Ethernet Passive Optical Network Over Coaxial (EPOC) power saving modes are provided. The EPOC power savings modes allow an EPOC coaxial network unit (CNU) to enter a sleep...
US20100278527 OPTICAL NETWORK TERMINAL POWER FAILURE MANAGEMENT  
Optical network terminal (ONT) power failure management. A system for permitting a customer of a telecommunication company, for whom fiber to the premises (FTTP) has been installed, to control...
US20120301134 Network Device  
In this application, we have the following examples: (1) Integrating the NID functionality in to the small foot-print of an SFP Module, with one or more of the features below: a) Mounting a NID...
US20080240711 Optical Network Evaluation Systems and Methods  
Embodiments of optical network evaluation systems and methods are disclosed. One system embodiment, among others, comprises a processor configured with logic to provide a cross layer model of...
US20090180774 METHOD FOR ALLOCATING AND CONFIGURING TANDEM CONNECTION MONITORING (TCM)  
A method for allocating and configuring TCM in an embodiment of the present invention includes: configuring the domain that needs TCM in a network and the scope of the domain; determining the ODU...
US20120051734 STATUS MONITOR TRANSPONDER FOR AN OPTICAL NODE OF A NETWORK  
A transponder and system for monitoring the status of equipment, such as an optical node, on a network are described. The transponder has an external fiber optic input connection element, an...
US20120183289 Passive Optical Network Module  
A GPON module comprises a housing and a circuit board disposed in the housing. The circuit board further includes ground lines that substantially isolate regions of the circuit board, an...
US20060291857 Method and apparatus for testing optical network equipment  
A method of testing optical network equipment involves plugging a tester device into a standard electrical socket on the optical network equipment to be tested. The tester device communicates with...
US20080075458 Automatic circulation collection type data collecting system  
An automatic circulation collection type data system is constructed by connecting a monitoring device and data collecting modules disposed at respective places through optical cables. The...
US20120301135 ROUTER HAVING DUAL PROPAGATION PATHS FOR PACKETS  
A router comprising an interface module (IM), having an optical path and an electrical path and a speed sensor coupled between an input of the router and an input of the IM. The speed sensor is...
US20120288273 INTELLIGENT SPLITTER MONITOR  
One aspect provides an optical communication system. The system includes an optical combiner, an optical tap, and a controller. The optical combiner is configured to receive a first optical signal...
US20120237213 METHOD, APPARATUS AND SYSTEM FOR TESTING AN OPTICAL NETWORK  
Embodiments of the present disclosure describe a method and an apparatus for testing an optical network, which may be applicable to an integrated OTDR and the field of optical network...
US20120189298 Airfield Lighting Control And Monitoring System Utilizing Fiber Optic Double Loop Self Healing Communications  
Control and monitoring of airfield lighting from a control tower and other maintenance/supervisory locations uses double loop self healing fiber optic communications circuits to enhances speed of...
US20090263123 FIBER NETWORK MONITORING  
This specification describes technologies relating to optical fiber network monitoring. A monitoring system is provided. The monitoring system includes a fiber network including a plurality of...
US20090010642 METHOD FOR MEASURING FIBER LENGTH, OPTICAL LINE TERMINAL AND OPTICAL NETWORK SYSTEM  
A method for measuring fiber length, an optical line terminal and an optical network system. The method for measuring fiber length according to the embodiment of the present invention includes the...
US20090304381 System and method for configuration discovery in an optical network  
A system and method for discovering configuration errors in an optical network is disclosed. The neighbors of each node are discovered. An information model of the optical network is formed, which...
US20080219680 OPTICAL RECEIVING APPARATUS AND BALANCE ADJUSTMENT METHOD  
Disclosed is a optical receiving apparatus including a balanced receiver comprising first and second light receiving elements which receive respective optical signals from first and second ports...
US20090269052 PORTABLE DEVICE FOR FIBRE CHANNEL CONFIGURATION AND ANALYSIS  
Apparatus, method, and computer program product embodiments for analyzing and configuring a fibre channel link and topology using a portable device are provided. A network microchip is programmed...
US20080075457 Methods and systems for optical performance monitoring  
A method and system to economically monitor an optical OOK signal that can detect perceptible changes in signal quality and identify the type of optical impairment causing the change. The...
US20090103916 OPTICAL CHASSIS MONITORING  
Systems and methods for processing event data provided by a managed device which includes a plurality of components. One or more components are identified based on the event data, providing, for...

Matches 1 - 50 out of 114 1 2 3 >