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Passive cables are copper cables that do not have an electronic circuit, and are prone to data degradation. Passive cables are also typically bi-directional, while active cables that convert a signal usually only work in one direction. There are two main types of signal conditioning used in active electrical cables: re-driver-based and re-timer.
Active-backup (active-backup) Only one NIC slave in the bond is active. A different slave becomes active if, and only if, the active slave fails. The single logical bonded interface's MAC address is externally visible on only one NIC (port) to simplify forwarding in the network switch. This mode provides fault tolerance. XOR (balance-xor)
An active USB to PS/2 adapter consists of logic to translate signals (active in the incremental sense) A passive mixer consists of just resistors (incrementally passive), whereas an active mixer includes components capable of gain (active). In audio work one can also find both (incrementally) passive and active converters between balanced and ...
A passive hub would then be attached to the end of the cable, and cables would be run locally from the passive hub, allowing connection of up to three nodes. In this way, a single 8-port active hub could be used to connect 24 networked devices over an area not exceeding 120 m (400 ft) in diameter. ARCNET allowed only 255 nodes per network.
In a passive PoE system, the injector does not communicate with the powered device to negotiate its voltage or wattage requirements but merely supplies power at all times. Common 100 Mbit/s passive applications use the pinout of 802.3af mode B (see § Pinouts ) – with DC positive on pins 4 and 5 and negative on 7 and 8, and data on 1 and 2 ...
The pressure transmitter modulates the current on the loop to send the signal to the strip chart recorder, but does not in itself supply power to the loop and so is passive. Another loop may contain two passive chart recorders, a passive pressure transmitter, and a 24 V battery (the battery is the active device).
Adapters (sometimes called dongles) allow connecting a peripheral device with one plug to a different jack on the computer. They are often used to connect modern devices to a legacy port on an old system, or legacy devices to a modern port. Such adapters may be entirely passive, or contain active circuitry. A common type is a USB adapter.
It is backward compatible with other interfaces, such as DVI and High-Definition Multimedia Interface (HDMI), through the use of either active or passive adapters. [2] It is the first display interface to rely on packetized data transmission, a form of digital communication found in technologies such as Ethernet, USB, and PCI Express. It ...