Matches 1 - 49 out of 49


Match Document Document Title
US20150125144 LOCATING A PHYSICAL CONNECTOR MODULE  
Methods, systems, and computer readable media for locating a physical connector module are disclosed. According to one aspect, the subject matter described herein a method that includes selecting,...
US20130266312 OPTICAL TRANSPORT NETWORK TRANSIENT MANAGEMENT SYSTEMS AND METHODS  
An Optical Transport Network (OTN) transient management method, OTN node, and OTN network includes operating an OTN connection in a first mode in a network, the OTN connection traverses at least...
US20060029389 Optical network terminal with low power hibernation  
The invention is directed to techniques for reducing power consumption by an optical network transmitter (ONT) in a passive optical network (PON). The techniques may be particularly useful in...
US20090202239 Service Management Channel for Managing an Optical Networking Service  
An optical network and method for managing a service across an optical network over a dedicated circuit between first and second service termination points include generating a service performance...
US20110243552 OPTICAL AUTODISCOVERY FOR AUTOMATED LOGICAL AND PHYSICAL CONNECTIVITY CHECK BETWEEN OPTICAL MODULES  
Optical autodiscovery is provide between two optical modules to insure that when an optical signal is coupled between the two optical module, the optical signal from a first module does not...
US20060002705 Decentralizing network management system tasks  
A system to decentralize network management tasks. The system includes an Optical Device Control (ODC) to provide management functionality of an optical network at a network element of the optical...
US20060024055 Optical LAN device and method for detecting abnormality in optical LAN device  
An optical LAN includes a master node, a plurality of slave nodes, and a plurality of optical fiber cables to configure a network. Each node transmits optical signals to the network and receives...
US20060233547 Optical network configuration for transmitting optical signals  
An optical network configuration for transmitting optical signals is described, which comprises an entry point for coupling the optical network configuration to another network configuration, and...
US20060093356 Optical network that detects and removes Rogue ONTS  
A point-to-multipoint communications network includes an optical line terminal (OLT) and a number of optical network terminals (ONTS) which each detect and remove rogue ONTs from the network. The...
US20080089681 MONITORING SYSTEM, OPTICAL TRANSMITTING/RECEIVING DEVICE AND MONITORING LEVEL SETTING METHOD  
A monitoring system according to an exemplary aspect of the invention is a monitoring system for use in an optical transmission system that monitors an input level of an optical amplifier and...
US20120219288 TRAFFIC DRIVEN VARIABLE BANDWIDTH OPTICAL TRANSMISSION  
Link bandwidth is varied based on the subscriber traffic load. Varying the link bandwidth has the effect of varying the actual noise margin of the link (in an inverse elation), so that the noise...
US20050013610 Optical performance monitoring between terminal equipment and an optical interface to an optical submarine transmission line  
A method and apparatus is provided for monitoring optical signal quality between land-based terminal equipment and an undersea optical transmission path. The method begins by receiving an analog...
US20090263126 MONITORING THE PHYSICAL LAYER OF OPTOELECTRONIC MODULES  
Monitoring the physical layer of optoelectronic modules in a storage area network (SAN). In one example embodiment, a method for monitoring the physical layer of optoelectronic modules in a...
US20140241713 Collecting Status From A Partner Management Domain  
An apparatus comprising a Generic Status Portal (GSP) configured to grant access to a Managed Entity (ME) via an Optical Network Terminal (ONT) Management and Control Interface (OMCI), wherein the...
US20130121685 OPTICAL LAYER STATUS EXCHANGE OVER OSC - OAM METHOD FOR ROADM NETWORKS  
A method for receiving, by circuitry of an optical node adapted for wavelength multiplexing and wavelength switching, a signal over OSC comprising overhead information indicative of status of at...
US20060204244 Optical system  
A system and method for controlling the gain of an optical amplifier receiving one or more optical input signal channels at a first end include a source for generating a gain control signal, which...
US20130202291 DETERMINING ASYMMETRIES IN A COMMUNICATION NETWORK  
A method for measuring asymmetry in propagation delay of first and second links which connect a first node to a second node of a communication network. The method comprises measuring (101) a round...
US20150125143 SYSTEM AND METHOD FOR MONITORING POLARIZATION-DEPENDENT LOSS  
Systems and method for monitoring a dual-polarization signal are disclosed. The systems and methods include adding a first supervisory signal to a first polarization component of the...
US20120170929 Apparatus And Method For Monitoring An Optical Coherent Network  
An example method determines at an optical network monitoring device whether a value for at least one parameter that characterizes an optical signal which traverses a link of an optical coherent...
US20060029390 Optical distribution network monitoring method and system  
This invention relates to a method for monitoring a passive optical distribution network and a monitoring system of an optical distribution network comprising at least one passive distribution...
US20090034967 PHASE MONITOR APPARATUS, PHASE CONTROL APPARATUS AND METHODS THEREOF FOR OPTICAL DQPSK RECEIVER  
I branch is provided with a first interferometer, a first balanced optical detector, and a first data recovery circuit. Q branch is provided with a second interferometer, a second balanced optical...
US20080085114 OPTICAL TRANSMISSION LINE MONITORING DEVICE, OPTICAL TRANSMISSION LINE MONITORING METHOD, AND COMPUTER PROGRAM  
In an optical transmission line monitoring device, an input unit is manipulated by a user, and inputs selection command data indicating that alarm data displayed on a screen is selected an alarm...
US20070047954 Method and apparatus for control of DPSK and DQPSK receivers and transmitters  
An optical communication device such as a transmitter or receiver has a control loop for controlling relative phase of two related optical signals based on signal peak intensity. An optical...
US20050213969 Light transmission apparatus  
In a light transmission apparatus which controls an optical excitation intensity of an amplifying optical fiber or an attenuation of an optical variable attenuator based on an output light...
US20060165411 Method for determining the network load in a transparent optical transmission system  
Disclosed is a transparent optical transmission system comprising a plurality of network nodes that are interconnected via optical transmission links. Several optical connection paths in said...
US20130243423 ETHERNET HUB AND METHOD OF USE  
A new and improved Ethernet hub for providing visibility of data packet traffic in an Ethernet network is disclosed. The Ethernet hub includes a packet buffer being coupled with a plurality of...
US20090190924 Method and system for automatic feedback control for fine tuning a delay interferometer  
A method for receiving an optical signal is included where an ingress signal is split into a first portion and a second portion. A relative delay is induced between the first portion and the...
US20090190925 Optical transmission apparatus  
In an optical transmission apparatus, a unit includes a first connection section, a second connection section, a branching section, a first detection section, and a second detection section. The...
US20150117856 SYSTEM AND METHOD FOR MONITORING POWER IMBALANCE INDUCED BY POLARIZATION-DEPENDENT LOSS  
Systems and methods for monitoring a dual-polarization signal are disclosed. The systems and methods include extracting a portion of the dual-polarization signal, wherein the dual-polarization...
US20060056844 Method and system for monitoring an optical network  
A method for monitoring an optical network includes communicating optical traffic along a working path of an optical network. The optical network comprises a protection path for the optical...
US20060039698 System and method of communications with traffic signals  
The present invention comprises a system and method for communicating with a traffic signal by which at least one communication controller and integrated light controller are coupled by a high...
US20140219651 Apparatus and Method for a Passive Optical Network  
A passive optical network comprises a first node configured to transmit a downlink data signal over a communication channel of an optical link, the communication channel having a first wavelength,...
US20060188255 Monitoring wavelength dispersion variation using photon absorption  
Monitoring wavelength dispersion variation of an optical signal includes receiving the optical signal at a detector. The optical signal comprises photons of different spectrum components. The...
US20080292312 Method and apparatus for determining optical path attenuation between passive optical network nodes  
A method and apparatus of determining attenuation of an optical path between two optical networks may include using a communications traffic signal without interrupting service or requiring...
US20060067687 Package starting control device  
The invention relates to a package starting control device determining a moment and a sequence of starting a package corresponding to an individual wavelength to be wavelength-division-multiplexed...
US20150117857 SYSTEM AND METHOD FOR IN-BAND AMPLITUDE-MODULATED SUPERVISORY SIGNALING FOR POLARIZATION-MULTIPLEXED SYSTEMS  
Systems and method for monitoring a dual-polarization signal are disclosed. The systems and methods include adding a first supervisory signal to a first polarization component of the...
US20150030323 SYSTEMS AND METHODS FOR DETECTING COMPONENT ROTATION WITHIN A COMMUNICATION ASSEMBLY  
Systems and methods for detecting component rotation within a communication assembly are provided. In certain embodiments, a system includes a module; an adapter block that includes multiple front...
US20050094999 Module for bi-directional optical signal transmission  
A module for bidirectional optical signal transmission having a transmitting component that emits light of a first wavelength, a receiving component that detects light of a second wavelength, a...
US20070077066 Optical wavelength controlling method and a system thereof  
An optical wavelength controlling method and a system thereof for an optical wavelength division multiplexing transmission system, wherein a plurality of wavelengths of channels are multiplexed...
US20140112659 OLT AND FRAME TRANSFER CONTROL METHOD  
In a control frame processing unit (14), the number of control frames from a frame demultiplexing unit (13) is counted for each of LLIDs given to the control frames. If the number of frames during...
US20110211829 SAFETY AND POWER CONTROL ARRANGEMENT AND METHOD FOR OPTICAL FIBER COMMUNICATION SYSTEMS  
Safety and power control arrangement and method for optical communication apparatus, where a first circuit pack emitting an optical signal (OS1) and at least a second and a third circuit pack (2,...
US20130294768 OPTICAL LAYER MONITORING APPARATUS AND METHOD THEREOF  
An optical layer monitoring apparatus and method thereof are provided. According to an embodiment of the present invention, an optical layer monitoring apparatus including an optical time domain...
US20160241332 RECEPTION DEVICE, TRANSMISSION DEVICE, OPTICAL TRANSMISSION DEVICE, OPTICAL TRANSMISSION SYSTEM, AND MONITORING METHOD  
A reception device has a receiving unit, an extracting unit and an outputting part. The receiving unit receives a lane signal transmitted through each of a plurality of lanes from a transmission...
US20160105341 Determining Asymmetries in a Communication Network  
A method for measuring asymmetry in propagation delay of first and second links which connect a first node to a second node of a communication network. The method comprises measuring (101) a round...
US20150086196 TRANSPORT APPARATUS AND METHOD OF TRANSMITTING MONITORING CONTROL SIGNAL  
A transport apparatus configured to transport a main signal received via one of a plurality of ports to any of the plurality of ports, the transport apparatus includes: a plurality of main signal...
US20130302030 SYSTEM FOR LONG REACH XDSL OVER FIBER  
System for connecting a plurality of digital subscribers to a data network, comprising a local part connected, by an optical fiber link, to a remote part. Said local part comprises a plurality of...
US20130294769 BIT ERROR GENERATION SYSTEM FOR OPTICAL NETWORKS  
A bit error generating device includes a light source, an input device, and a control processor. The control processor includes logic configured to: receive protocol or bitrate information...
US20120207469 SPAN LOSS MONITORING SYSTEM, SUPERVISORY SIGNAL SENDING APPARATUS AND SUPERVISORY SIGNAL RECEIVING APPARATUS  
A span loss monitoring system includes a supervisory signal sending apparatus with a output level monitoring section, a time stamp generation section, and a supervisory signal generation section...
US20110194853 METHOD AND DEVICE FOR MONITORING SUBMARINE CABLE SYSTEM  
A method and a device for monitoring a cable system in the field of communications are provided. An optical signal emitted by an optical source to a transmission link of the cable system is...

Matches 1 - 49 out of 49