Lanner electronics AP-370VF Manual page 77

GLOSSARY
data, so little data that speed is not crucial, and perfect for modems because, with
current technology, phone lines cannot transport more than one signal at a time anyway.
The serial port is often referred to as an RS-232 port.
SCSI (Small Computer System Interface) – An intelligent bus for transmitting data
commands between a variety of devices. There are many implementations of SCSI,
including Fast SCSI, Wide SCSI, Fast Wide SCSI, Fast-20, and Fast-40.
SCSI-2 – The second generation of SCSI; includes many improvements to SCSI-1,
including Fast SCSI, Wide SCSI, and mandatory parity checking.
SCSI-3 – The third generation of SCSI; introduces Fast-20 and Fast-40 as
improvements to the parallel bus. The standard also includes a number of
specifications for high-speed serial bus architectures such as SSA, Fiber Channel, and
IEEE 1394. Also known as Ultra SCSI.
Ultra SCSI – Also known as SCSI-3, is a third generation SCSI standard that introduced
parallel bus speed improvements (FAST-20 and FAST-40), an the miniaturized 68-pin
micro connector.
USB (Universal Serial Bus) – USB consolidates serial, parallel, keyboard, mouse, and
game ports into one asynchronous and isochronous communications port with
bandwidth for data transfer speeds up to 12 Mbps without termination. By
daisy-chaining USB hubs, up to 127 I/O devices can be connected to one USB port on
the PC. USB is completely plug-and play meaning peripherals can be correctly
detected and configured automatically as soon as they are connected.
UTP (Unshielded Twisted Pair) – Twisted pair cable with neither individual nor overall
shielding. Twisted Pair are two wires twisted together to reduce susceptibility to RF
crosswalk.
VGA (Video Graphics Array) – A video adapter that supports 640x480 pixels color
resolution. The Windows OS provides medium text & graphics standard.
VL-Bus – It is also known as Local Bus; this is an I/O interface that is directly connected
to and dependant on the system CPU. The VL-Bus is an abbreviation of VESA Local
Bus.
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