Examples disclosed herein relate, in one aspect to a method. The method may include determining an input bandwidth capacity of a network device comprising a network device port coupled to a plurality of computing devices; based on the input bandwidth capacity; generating a management signal, the management signal indicating a set of output lanes for each of the plurality of computing devices and indicating a different wavelength for each of the set of output lanes of each of a plurality of computing devices; sending the management signal to the plurality of computing devices through an optical bus; and receiving, through the optical bus, an optical signal comprising, for each computing device, a set of output signals from the set of output lanes indicated by the management signal, each output signal being represented by a wavelength indicated by the management signal.

Embodiments including methods, systems, and apparatuses for distributing, processing, and reacting to path information distributed via a service-agnostic packet fabric for the purpose of enabling path selection are disclosed. By configuring two ingress line cards to send path quality words to each other via the switch fabric, compare the path quality words, and determine whether to transmit traffic to an egress line card via the switch fabric based on the comparison of the path quality words, the embodiments enable a central switch fabric to be unaware of the paths that it carries, and enable both ingress and egress bandwidth of the switch fabric to be sized according to the facilities for which it is terminating. The switch fabric does not need to support working and protection paths simultaneously in some embodiments, allowing it to be scaled appropriately to termination facilities.

Provided is a multiplex transmission system capable of preventing occurrence of a mistake on connection of a client device to a multiplex transmission device. The multiplex transmission system includes: a detection means configured to detect new client connection that is new connection of a client device to a client port of each of a first multiplex transmission device 100 and a second multiplex transmission device 200; and a switch control unit 340 configured to control a switch unit 330 to connect a client port where new client connection is detected at a first time point in the first multiplex transmission device 100 with a client port where new client connection is detected at a second time point in the second multiplex transmission device, when a time interval between the first time point at which new client connection is detected in the first multiplex transmission device 100 and the second time point at which new client connection is detected in the second multiplex transmission device 200 is within a preset reference time, in a case where new client connection is detected in both the first multiplex transmission device 100 and the second multiplex transmission device 200.

The voltage monitoring circuit includes a first multiplexer, a controller, a resistor-network circuit and a first comparison circuit. The first multiplexer receives a plurality of first subject voltages. The controller controls the first multiplexer to output one of the plurality of first subject voltages and generates a testing signal including a plurality of electric potentials. The controller is configured to output the plurality of electric potentials switching according to a switch command. The resistor-network circuit is configured to sequentially generate a plurality of first reference voltages according to switches of the plurality of potentials. The first comparison circuit is configured to sequentially compare each of the plurality of first reference voltages to the first subject voltage for sequentially outputting a plurality of first comparing results and sending the plurality of first comparing results to the controller so that a voltage value of the first subject voltage is determined.

A drive circuit includes a bias current supply circuit for supplying a bias current to a light-emitting element and a modulated current supply circuit for supplying a modulated current to the light-emitting element, and has a first path through which the bias current flows, a second path including a path for supplying the modulated current to the light-emitting element from the modulated current supply circuit, through which a current returns to the bias current supply circuit through the modulated current supply circuit from the bias current supply circuit without going through the light-emitting element when the bias current flows, and a third path which is joined to the second path in the modulated current supply circuit and has an adjusting resistance before a junction, through which a current flows through the adjusting resistance to the bias current supply circuit when the bias current flows.

A sense channel signal processing block is time-domain multiplexed among multiple MEMS devices and utilizes an anti-aliasing filter disposed after track-and-hold switches, to prevent the bandwidth of the sense channel from being limited by the anti-aliasing filter. A multiplexed signal processor architecture performs dynamic calibration of all sensor error signals in response to environmental changes.

A packet-centric wireless system includes: a wireless base station communicating via a transmission control protocol/internet protocol (TCP/IP) to a first data network; one or more host workstations communicating via TCP/IP to the first data network; one or more subscriber customer premise equipment (CPE) stations coupled with the wireless base station over a shared bandwidth via TCP/IP over a wireless medium; and one or more subscriber workstations coupled via TCP/IP to each of the subscriber CPE stations over a second network. The system can allocate shared bandwidth among the subscriber CPE stations to optimize end-user quality of service (QoS). The first data network includes at least one of: a wireline network; a wireless network; a local area network (LAN); and a wide area network (WAN). The second network includes at least one of: a wireline network; a wireless network; a local area network (LAN); and. a wide area network (WAN).

A packet-centric wireless system includes: a wireless base station communicating via a transmission control protocol/internet protocol (TCP/IP) to a first data network; one or more host workstations communicating via TCP/IP to the first data network; one or more subscriber customer premise equipment (CPE) stations coupled with the wireless base station over a shared bandwidth via TCP/IP over a wireless medium; and one or more subscriber workstations coupled via TCP/IP to each of the subscriber CPE stations over a second network. The system can allocate shared bandwidth among the subscriber CPE stations to optimize end-user quality of service (QoS). The first data network includes at least one of: a wireline network; a wireless network; a local area network (LAN); and a wide area network (WAN). The second network includes at least one of: a wireline network; a wireless network; a local area network (LAN); and a wide area network (WAN).

A sense channel signal processing block is time-domain multiplexed among multiple MEMS devices and utilizes an anti-aliasing filter disposed after track-and-hold switches, to prevent the bandwidth of the sense channel from being limited by the anti-aliasing filter.

A system includes a first networking devices, a multiplexer, a second networking device, and a third networking device. The first networking device includes a pair of ports operational up to a first throughput. The multiplexer includes an input port connected to a port of the first networking device, and a pair of output ports. The second networking device includes an output port connected to a port of the first networking device and to an output port of the multiplexer, and operational up to a second throughput greater than the first throughput. The third networking device includes an output port connected to an output port of the multiplexer, and operational up to a third throughput no greater than the first throughput.