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...controlled remotely via RS-232 commands over modems on existing or special phone lines, over the TCP/IP network, or locally with terminal software. The ideal system uses out-of-band management, an alternate path over an ordinary dialup line that doe...
...options include CEC, RS-232, and infrared (IR). IP control is enabled through Ethernet channel support. • Power • The same cable that delivers video, audio, Ethernet, and control can deliver up to 100W of DC power. This means users can place equi...
...end. For example, an RS-232 DB25 has pin 1 connected to chassis. The connector shells are not electrically connected to anywhere. So connecting the drain to pin 1 will put the whole cable screen at the potential of pin 1. No current flows but the...
...to external modems via RS-232 cable. Many remote access servers also support ISDN with either internal ISDN circuitry or through external terminal adapters. • The remote access server enables remote users to dial into the LAN via a modem connection...
16850 UART • 16850 UART • The 16850 Universal Asynchronous Receiver/Transmitter (UART) features a 128-byte First In First Out (FIFO) buffer when implemented with the appropriate onboard drivers and receivers, it enables your onboard serial por...
Multiplexing and demultiplexing video signals and data streams. • Multiplexing and demultiplexing • Much of the complexity in a KVM extender’s design involves multiplexing and demultiplexing the RGB (separate sync) video and various data strea...
...require a separate RS-232 or other line for transmitting the control signal for a display—yet another cable to fit into the conduit and another distance limitation (most serial signals can travel only a short distance over traditional cable). S...