<s>
VISCA	O
is	O
a	O
professional	O
camera	O
control	O
protocol	O
used	O
with	O
PTZ	B-Algorithm
cameras	I-Algorithm
.	O
</s>
<s>
It	O
is	O
based	O
on	O
RS-232	O
serial	O
communications	O
at	O
9600bit/s	O
,	O
8N1	O
,	O
no	O
flow	O
control	O
typically	O
though	O
a	O
DE-9	B-Protocol
connector	I-Protocol
,	O
but	O
can	O
also	O
be	O
on	O
8-Pin	O
DIN	B-Architecture
,	O
RJ45	O
and	O
RJ11	O
connectors	O
used	O
in	O
daisy	O
chain	O
configurations	O
.	O
</s>
<s>
The	O
VISCA	B-Application
Protocol	I-Application
is	O
used	O
on	O
LectureSight	O
,	O
Avaya	O
Scopia	B-Protocol
,	O
Angekis	O
,	O
Atlona	O
HDVS	O
series	O
cameras	O
,	O
Polycom	O
and	O
Cisco/Tandberg	O
video	O
conferencing	O
systems	O
.	O
</s>
