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Integrators’ Reference Manual for ViewStation EX, ViewStation FX, and VS4000
2 www.polycom.com
Conventions Used in this Manual
The following typographic conventions are used in this manual:
❑ Links that allow you to jump to other sections of this manual are
blue
.
❑ File path names and commands you type in command lines are
shown in
this font.
❑ Screen names and elements are shown in bold type.
❑ Navigation through sequences of screens or menu selections is
shown in this form: First selection > second selection > third
selection.
Glossary
4CIF 4 x CIF (Common Intermediate Format). A video
format providing resolution of 704 x 576 pixels.
See also CIF, QCIF, 16CIF.
16CIF 16 x CIF (Common Intermediate Format). A video
format providing resolution of 1408 x 1152 pixels.
See also CIF, 4CIF, QCIF.
ADSL Asymmetrical Digital Subscriber Line. Used to
transmit digital data over telephone wires at up to
six megabits per second.
AIS Alarm Indication Signal. This indicates that there
is a problem upstream.
Analog Line A telephone line that transmits and receives
analog signals. An analog signal is a true electrical
representation of the original source audio.