The present disclosure relates to a method for transmitting data packets from a transmitting device to a receiving device in a motor vehicle, the data packets being transmitted via a gateway device and, for this purpose, the gateway device receiving the data packets from the transmitting device and forwarding them to the receiving device. The invention provides that the data packets of the transmitting device are each addressed to an IP address and the gateway device in the data packets respectively replaces a first packet part, by which a connection layer of an Ethernet data connection is implemented, with a corresponding packet part of the bus protocol and, in a second packet part, by which a network layer with the IP address is implemented, retains the IP address and forwards the data packets with the IP address located in the second packet part to the receiving device.

A method in which the propagation times of a target network are simulated in an actual network, wherein the topology of the target network includes a number of senders and a number of receivers, and wherein the topology of the actual network includes one or more of the senders and receivers. A path between a first sender and a first receiver in the topology of the actual network differs from the path between the first sender and the first receiver in the topology of the target network, wherein in the actual network at least one first message of the first sender is received through a first network interface by a gateway having at least two network interfaces, is delayed by a delay, and is sent through a second network interface on a path to the first receiver.

Methods and systems for allowing pilots and aircraft maintenance personnel to load data used by aircraft avionics (including but not limited to, Map Data, charts, XM Radio configuration data, LRU (line replaceable unit)/LRM (line replaceable module) specific configuration data or LRU/LRM software updates), wirelessly through the use of a USB to Wireless data bridge. The methods and systems can reduce and eliminate use of a USB (universal serial bus) hard drive or keys be carried around with different collections of cockpit data.

A building automation system and method is provided for isolating device communications in a BACnet/IP building automation network. The system may comprise at least one processor in a BACnet device configured via executable instructions included in at least one memory to communicate UDP messages for field devices onto an Ethernet network for receipt by at least one other BACnet device on the Ethernet network. The at least one processor may be configured to receive and store in a memory a configurable local subnet, a BACnet/IP UDP port, and a local UDP port. The at least one processor may also be configured to determine a UDP message that is to be broadcast only on the local subnet. In addition, the at least one processor may be responsive to the determination, to broadcast the UDP message to BACnet devices on the same local subnet using the local UDP port stored in the memory.

Provided is a communication relay apparatus configured to relay communication between a plurality of segments of a network by a plurality of communication devices including an indoor unit and an outdoor unit connected to one another via the network, the communication relay apparatus including a relay setting unit configured to set a first mode value corresponding to processing of relaying all frames and a second mode value corresponding to processing of relaying a frame on the basis of a destination address of the frame, and a relay determination unit configured to perform processing of relaying the frame in an operation mode corresponding to a relay mode value set by the relay setting unit.

In one embodiment, a method includes receiving power delivered over a data fiber cable at an optical transceiver installed at a network communications device and transmitting data and the power from the optical transceiver to the network communications device. The network communications device is powered by the power received from the optical transceiver. An apparatus is also disclosed herein.

A modular cable assembly for use with a system including a first system device and a second system device is provided. The first system device is configured to produce a first electronic communication protocol. The second system device is configured to produce a second electronic communication protocol. The modular cable assembly includes a first connector, a second connector, a cable body, and a communication control assembly. The communication control assembly includes a communication translation module (CTM). The CTM includes a protocol storage submodule configured to store a plurality of predetermined system device protocols (PSDPs) and a processor in communication with the protocol storage submodule storing instructions, which instructions when executed cause the processor to identify the second system device using a second selected PSDP of the plurality of PSDPs and translate at least a portion of the second electronic communication protocol into the first electronic communication protocol.

A system comprises a plurality of nodes connected in a peer-to-peer network via a communication interface. At least one node of the plurality of nodes comprises a transceiver, at least two connectors, at least one termination resistance module coupled to the transceiver, the at least one termination resistance module providing termination resistance within the node, a first detection circuit coupled to a first connector of the at least two connectors, and a second detection circuit coupled to a second connector of the at least two connectors. The first and second detection circuits are configured to detect that the node is coupled to one or more other nodes in the peer-to-peer network, and automatically adjust the termination resistance based on the detecting.

A building automation system and method is provided for isolating device communications in a BACnet/IP building automation network. The system may comprise at least one processor in a BACnet device configured via executable instructions included in at least one memory to communicate UDP messages for field devices onto an Ethernet network for receipt by at least one other BACnet device on the Ethernet network. The at least one processor may be configured to receive and store in a memory a configurable local subnet, a BACnet/IP UDP port, and a local UDP port. The at least one processor may also be configured to determine a UDP message that is to be broadcast only on the local subnet. In addition, the at least one processor may be responsive to the determination, to broadcast the UDP message to BACnet devices on the same local subnet using the local UDP port stored in the memory.

The disclosure provides a data communication method and apparatus, an electronic device, and a storage medium. The method includes: receiving controller area network (CAN) bus data transmitted by a first device; executing a first flow-control based transmission between the first connector and the first device to obtain respective consecutive frame data in multi-packet data from the first device, upon detecting that the CAN bus data is first frame data in the multi-packet data; and transmitting the first frame data and the respective consecutive frame data to a second connector to indicate that the second connector transmits the multi-packet data to a second device through a second flow-control based transmission, when or after executing the first flow-control based transmission between the first connector and the first device.