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A USB-to-serial adapter or simply USB adapter is a type of protocol converter that is used for converting USB data signals to and from serial communications standards (serial ports). Most commonly the USB data signals are converted to either RS-232 , RS-485 , RS-422 , or TTL-level UART serial data.
Ethernet over USB is the use of a USB link as a part of an Ethernet network, resulting in an Ethernet connection over USB (instead of e.g. PCI or PCIe).. USB over Ethernet (also called USB over Network or USB over IP) is a system to share USB-based devices over Ethernet, Wi-Fi, or the Internet, allowing access to devices over a network.
Cords connecting to an RJ11 interface require a 6P2C connector. Nevertheless, cords sold as RJ11 often use 6P4C connectors (six position, four conductor) with four wires. Two of the six possible contact positions connect tip and ring, and the other two conductors are unused. RJ11 is commonly used to connect DSL modems to the customer line.
It is based on RS-232 serial communications at 9600 bit/s, 8N1, no flow control typically though a DE-9 connector, but can also be on 8-Pin DIN, RJ45 and RJ11 connectors used in daisy chain configurations. [1] VISCA utilizes a serial repeater network configuration to communicate between the PC (device #0) and up to 7 peripherals (#1 through #7).
A rollover cable (also known as a Yost cable, Cisco cable, or a console cable) is a type of null-modem cable that is used to connect a computer terminal to a router's console port. This cable is typically flat (and has a light blue color) to help distinguish it from other types of network cabling.
The connector is also used in other telecommunications connections, including ISDN and T1. Where building network and telephone wiring is pre-installed, the center (blue) pair is often used to carry telephony signals. While this allows an RJ11 plug to connect, it may damage the modular jack; an approved converter prevents damage.
This connector has been standardized for RS-232 as TIA-574. Some miniaturized electronics, particularly graphing calculators [5] and hand-held amateur and two-way radio equipment, [6] have serial ports using a phone connector, usually the smaller 2.5 or 3.5 mm connectors and the most basic 3-wire interface—transmit, receive and ground.
For example, telephone cables in the UK typically have a BS 6312 (UK standard) plug at the wall end and a 6P4C or 6P2C modular connector at the telephone end: this latter may be wired as per the RJ11 standard (with pins 3 and 4), or it may be wired with pins 2 and 5, as a straight-through cable from the BT plug (which uses pins 2 and 5 for the ...