An electronic device such as a voice-controlled speaker device may have a housing. A speaker and other input-output components and control circuitry may be mounted within the housing. Light-emitting components may emit light that passes through a curved upper top cap portion or other housing structure. The light-emitting components may be interconnected using a flex circuit on a curved substrate or may be mounted on a planar circuit board. A subset of the light-emitting components may be rotated to improve color balance. Optical structures such as light guides, lens, microlenses, and/or a diffuser layer may be disposed over the light-emitting components to promote light mixing, to reduce hotspots, and to improve contrast on the top cap. The diffuser layer may be suspended using a support structure having baffle members to constraint the angular spread of the emitted light. Illuminated or persistently visible glyphs may be displayed in or near the top cap portion.

A telecommunications apparatus including a lighting apparatus, the lighting apparatus having: a plurality of light sources, an illumination state of the light sources being controllable according to control signals; circuitry connected to the plurality of light sources, wherein the circuity is configured to provide control signals to the light sources; and a plug connected to the circuitry, wherein the plug is configured to connect to an external port of a first telecommunications device, and configured as an interface for control signals from the first telecommunications device to the circuitry. The plurality of light sources are arranged such that a change in illumination state of the plurality of light sources provides a visual indication on a subject telecommunications device. The telecommunications apparatus is configured to receive control signals from the first telecommunications device which correspond to an indication, by the plurality of light sources, relating to the subject telecommunications device.

There are provided a lighting control method, system, and device for an NVME backboard, and a medium. The method is applied to a mainboard. The method includes: executing a target code for parsing a target VPP signal upon reception of the target VPP signal, where the target code is added in the mainboard in advance and stores VPP addresses respectively corresponding to NVME backboards connected with the mainboard; parsing the target VPP signal to obtain a target VPP address corresponding to the target VPP signal; and delivering the target VPP address to a target NVME backboard corresponding to the target VPP address to light the target NVME backboard.

One aspect of a display device of the present invention is a display device having a liquid crystal panel and a power lamp. The display device includes: a control unit that controls a display of the liquid crystal panel based on a power supplied from an external device and controls a lighting of the power lamp based on a reference voltage; a first switch that supplies, the power to the control unit, the power being supplied from the external device via a predetermined connector; a voltage detection circuit that generates the reference voltage; a second switch that supplies the reference voltage to the power lamp and the control unit; and a second control unit that determines whether or not the power meets a condition for establishing negotiation with the external device, and turns on one of the first switch and the second switch according to a result of the determination.

A mainboard includes a baseboard management controller (BMC), a plurality of dual in-line memory module (DIMM) slots, and a plurality of visual indicators each associated with a respective of the plurality of DIMM slots. The BMC is adapted to determine a DIMM population rule for populating the plurality of DIMM slots based on information relating to at least one DIMM, and the visual indicators are adapted to visually indicate a DIMM slot amongst the plurality of DIMM slots to which the at least one DIMM is to be installed in accordance with the DIMM population rule.

In various embodiments, an electronic device includes an electrical and physical interface operable to be coupled to a port of a computer system that includes a processor. The electronic device also includes a casing housing the interface. In addition, the electronic device includes a circuit board including circuitry housed within the casing. The circuitry receives control signals from the computer system over the interface and controls an illumination element. The illumination element is disposed on the casing and is operable to produce a color that corresponds to a real-time status associated with the computer system. The real-time status is determined by the processor and information read by the processor from the computer system. Moreover, the electronic device includes a beacon technology system housed within the casing. The beacon technology system is operable to communicate with a beacon technology system externally located to the electronic device. The beacon technology system is operable to trigger an automatic process when detected.

An example network device includes a plurality of network ports that each facilitate one or more network links between the network device and one or more remote devices, a plurality of indicators each configured to represent a status of a respective one of the plurality of network ports on the network device, and processing circuitry configured to reconfigure at least one of the plurality of indicators to represent a link-status of the one or more network links of at least one network port of the network device in response to a command.

An active device module may include an active device, a housing configured to house the active device, and a visual indicator integrated within the active device module and configured to visually indicate status information associated with a port of an information handling system to which the active device module is communicatively coupled.

An information handling system may include a processor, a visual indicator, and a management controller communicatively coupled to the processor and the visual indicator and configured to perform out of band management of the information handling system, the management controller further configured to, responsive to receiving an indication from the processor that the information handling system is attempting to enter a standby mode and prior to the information handling system entering the standby mode, cause the visual indicator to generate a visual indication that the information handling system is attempting to enter the standby mode.

A direct-attach cable data transmission visual indicator system includes a networking device having a port. A direct-attach cable includes a direct-attach cable connector that is located on an end of the direct-attach cable and that couples the direct-attach cable to the port. A visual indicator device is included on the direct-attach cable connector and is configured to receive data transmission information from the networking device via the port and the direct-attach cable connector, with the data transmission information associated with the transmission of data via the port. The visual indicator device then provides a visual indication that is based on the data transmission information.