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7391739 System and method for creating a frame relay port mirror  
Systems and methods for monitoring communications in a frame relay network are described. In an embodiment of the present invention, an analyst or automated system creates a command to instruct a...
7391735 Parsing messages with multiple data formats  
Provided are a method for parsing a bit stream including multiple data formats, and an apparatus and computer program including a set of parsers and parser-selection and invocation capabilities for...
7385942 System for maintaining the integrity of remote data by making it disposable  
In a networked system having a protected central server network connected to one or more satellite servers, the central server includes master data, and each satellite system includes replicated...
7385930 Packet discard point probing method and device  
In a relay device or the like in which a speed changes from a high speed to a low speed, a packet residence (packet transfer wait) occurs when a packet string in which packet intervals are...
7385929 Method and system for detecting false packets in wireless communications systems  
Specific bits of an incoming transmission are compared against a predetermined bit pattern. If the selected bits do not match the predetermined bit pattern, then the incoming transmission is...
7376079 Backup cell controller  
A wireless local area network for data communications between a computer and mobile units is provided with at least two cell controllers connected to the computer and one or more rf ports each...
7317689 System and method to access and address high-speed interface converter devices  
High-speed transceiver devices, such as GBIC-type transceivers, are accessed and addressed. Identification information (including manufacturer name, model, compliance codes) is placed in data...
7286843 Identifying remote radio units in a communication system  
A method for identifying a remote radio unit in a communication system comprises a plurality of remote radio units communicating with a central unit and pattern providing means for providing...
7130273 QOS testing of a hardware device or a software client  
A system for testing a software client or hardware module in a voice-over-IP (VoIP) network path includes a VoIP client, a test tool, and an analyzer. The VoIP client, connected to the VoIP...
7085226 Control apparatus and method for relay node duplexing  
The present invention relates to a message transmission system, and more particularly, to a control apparatus and method for relay node duplexing. In the invention, when the exchange of the active...
7061872 Managed HDSL repeater  
A repeater for HDSL transmission is presented. The repeater replaces the regenerator commonly used in HDSL by utilizing the activation/deactivation process in the HDSL specification. The repeater...
6937571 Method of testing a network device through a medium independent interface (MII)  
A method of testing a network physical layer device (PHY) having a media independent interface (MII) includes sending information between the PHY and a tester along the data buses of the MII. The...
6925578 Fault-tolerant switch architecture  
A computer network employs a fault-tolerant or redundant switch architecture. The network includes redundant data paths coupling end nodes and switches. Fault-tolerant repeaters (FTRs) can be...
6879563 Data repeater and multiplex communication system using the same  
A multiplex communication system having a data repeater, which can prevent data from being lost so as to improve reliability of data communication, when a data repeater of a multiplex communication...
6865426 Adaptive data security systems and methods  
The present disclosure relates to a method for communicating and applying adaptive security to a data stream comprising a plurality of data packets. The method comprises the steps of identifying a...
6853622 Link aggregation repeater process  
An aggregate link system and process is provided with cooperating link aggregation member devices defining a link aggregation. An connected devices is provided. Network links connect the connected...
6831930 Access panel for network end linesharing ADSL/POTS splitter applications  
The present invention is directed to a telecommunications system and access panel for providing direct metallic access to a telecommunications carrier's signal pairs by a competitor while providing...
6801504 Node device of ATM communication network and method of failure alarm notification  
A node device in an ATM communication network is provided which is capable of generating a cell for creating a failure alarm rapidly so as not to apply a load to a processor. The node device copies...
6785473 WDM network and WDM network device  
Disclosed is a WDM network which has: a lightwave path which connects between clients and each of which is provided with an overhead, and a sub-network which is defined by dividing the WDM network....
6775238 Image forming device management system and method  
In an image forming device management system and method, a failure in any of a plurality of image forming devices on a first LAN is detected by a management apparatus. A failure message is...
6618358 Method and apparatus for switching a clock source from among multiple T1/E1 lines with user defined priority  
A clock selection controller is shown which allows a user to assign a priority scheme to recovered clock signals obtained from communication facilities. The clock selection controller also receives...
6571284 Method for repeater management  
In order to integrate repeater management with network management in a wireless telecommunication network, a database is added to the network management center (NMC), said database including the...
6510349 Adaptive data security system and method  
A system and method for data communication with adaptive security in which a send host transmits a data stream to a receive host in packets which contain an authentication data block with an...
6463479 Apparatus for trunking in stacked communication devices  
Trunking or other relationship is defined between ports on different devices in a cascade connected stack of network devices. When network communications are passed via the cascade connection an...
6449258 Intermediate repeater for a communication network for the reception and forwarding of frequency multiplexed signals  
An intermediate repeater that can make available at least a minimum of information to the end user sites connected with it even in the event of a power failure. The intermediate repeater has a...
6430159 Forward error correction at MPEG-2 transport stream layer  
The invention is for a system and method for performing forward error correction on an MPEG-2 transport stream that has optional error correction information embedded within the transport stream....
6421332 Apparatus for measuring input and output levels of base station transmitters in a mobile communication system  
The present invention relates to an apparatus for measuring input and output levels of base station transmitters in the mobile communication system, for allowing measurement of an input/output...
6298063 System and method for providing backup machines for implementing multiple IP addresses on multiple ports  
A system and method are disclosed for redirecting a connection from a first server having a first server IP address. Incoming SYN packets sent from a client are intercepted. The SYN packets have a...
6298037 Network data filtering  
An electronic filter has an input connector adapted for electrical connection to a complimentary output connector of an asymmetrical digital subscriber line. The input connector has an input...
6295277 Method and apparatus for unambiguous topological determinancy in an unpowered stack configuration  
A stack position determination circuit in a stackable repeater is disclosed that includes an input connector, an output connector, an initial pin driving circuit, and a pin rotating circuit. The...
6272112 Repeating unit testing system and communication apparatus as well as communication method  
In a repeating unit testing system, a first tester includes first packet transmission means for transmitting a plurality of packets, whose transmission destination address is a second repeating...
6272108 Apparatus and method to allow a frame check sequence to determine the updating of adaptive receiver parameters of a high speed communication device  
A DSL device performs a frame check sequence operation in a digital signal processor (DSP), i.e., layer one of the OSI seven layer model, heretofore performed only in layer two of the OSI seven...
6185190 Method and apparatus for using synthetic preamble signals to awaken repeater  
In a 100BASE-T4 protocol network, the "carrier_status" signal associated with an incoming packet on a PMA of a given port of a Clause 27 repeater is obviated and a direct connection between PMAs...
6175875 Multicast filtering  
A repeater for a computer network, and a network incorporating such a repeater are described in which repeater communication addressed to a subset of the devices connected to the repeater are...
6101169 Method and apparatus for unambiguous topological determinancy in an unpowered stack configuration  
A stack position determination circuit in a stackable repeater is disclosed that includes an input connector, an output connector, an initial pin driving circuit, and a pin rotating circuit. The...
6052362 Ethernet repeater data path loopback  
An apparatus and method for testing a communication device using a loopback path. A circuit is used to internally generate a test packet and to check the test packet once the test packet is...
6041062 High-speed synchronous multiplexing apparatus  
A high-speed sprchronous multiplexing apparatus has a low-speed device and a high-speed device and employs electrical signals to interface the devices with each other. The low-speed device is...
6034948 System for testing repeating installation  
A system tests a repeating installation having transmitter-receivers (3, 4) and a line controller (2). The system includes the repeating installation to be tested, a first tester (10), a second...
5822303 Repeaters for secure local area networks  
A multiport repeater for a local area network installation has (in addition to its conventional functions) storing access rules for the items of equipment connected to it. It reads a portion of...
5793768 Method and apparatus for collapsing TCP ACKs on asymmetrical connections  
A method and an apparatus that improves a data transmission rate in a TCP connection having an asymmetrical path. An intermediate node transmits a predetermined number k of data packets to a...
5778048 Feed imbalance detector in repeated line  
A feed imbalance detector in a repeated line for detecting a feed imbalance in a PCM repeated line and for displaying an alarm includes: a constant current feeder for transmitting an operating...
5764633 Method and system for transferring digital telephone circuits  
A digital telephone circuit is transferred from an old line to a new line. Before the transfer, a first stage delay circuit is inserted, wherein the delay of the data is incrementally adjusted to...
5740159 Loopback mechanism for frame relay OAM  
A loopback mechanism uses frame relay OAM loopback frames which eliminate the need for location identifiers and reduces overhead and complexity. The frames replace source and destination loopback...
5654985 Address tracking over repeater based networks  
A system is provided for use in a network to provide authentication of packets of data, provide security to ensure the prevention of unauthorized receipt of data, to provide improved monitoring of...
5588021 Repeater for use in a control network  
A repeater for use in a control network includes isolating transformers at its root input/output and at a plurality of branch input/outputs. There is a line receiver and a line driver circuit...
5566160 Media attachment unit management interface  
Apparatus and method for simply, efficiently and economically accessing every media attachment unit (MAU) management information base (MIB) in a managed repeater. MAU MIBs pass through a repeater...
5557633 Integrated multi-port repeater having shared resources  
A discrete integrated repeater device and port MAU/AUI functions shares resources among its several ports. The device includes a single multi-bit free running counter providing preselected timing...
5550803 Method and system for increasing network information carried in a data packet via packet tagging  
A method and system for providing statistical network information carried in a data packet being transmitted on a network. The method includes the steps of receiving a data packet having a data...
5459714 Enhanced port activity monitor for an integrated multiport repeater  
A system is provided on an Integrated Multiport Repeater (IMR) to monitor the activity of the IMR when the repeater is in minimum mode. Through this system the serial output pin outputs status...
5422929 Telephone line repeater and method of testing same  
A telephone line repeater (28) includes a pattern decoder/recognizer (100) which recognizes, inter alia, an input interrogating signal transmitted on a telephone network (20). The interrogating...
Matches 1 - 50 out of 92 1 2 >