Cisco TelePresence PrecisionHD Camera
D14640.17 Cisco Telepresence PrecisionHD Camera Guide APRIL 2017
Copyright © 2017 Cisco Systems, Inc. All rights reserved.
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Camera guide
VISCA™/RS–232 control protocol, continued
NOTE:
Some VISCA™ commands do not apply to the PrecisionHD 1080p4x, PrecisionHD 1080p2.5x and Precision 40 cameras.
Network and interface commands
Push messages
Messages sent from camera to controller.
Command set
Command packet
Comments
IF_Clear
8x 01 00 01 ff
Clear command buffer. Stop any current operation
in progress.
Address_Set
8x 30 0p ff
p = address for this device. If x=8 (broadcast),
increase p with 1 before sending to chain.
Command_Cancel *
8x 2p ff
p = Socket ID. PrecisionHD 1080p 12x does not
support multiple sockets. Commands always runs
to completion. Do not use it.
Command set
Command packet
Reply and comments
Network_Change
y0 38 ff
This indicates that cameras have been added to
or removed from the chain.
It is recommended to wait 9 seconds after
receiving this message before doing a full
reconfigure.
IR_Push
y0 07 7d 02 gg hh ff
If IR mode is on, IR codes received by the camera
are sent to the controller.
gg = IR ID
hh = keycode
*
Does not apply to PrecisionHD 1080p4x, PrecisionHD 1080p2.5x and Precision 40 cameras
Command
Command Packet
Comments
Power_On
8x 01 04 00 02 ff
Power control. This command stores
the zoom and focus value and reset
these motors.
Used for PrecisionHD 720p if the
camera has been on for a long time.
NOTE:
These commands do not power
the camera on or off. They only reset
the motors.
Power_Off
8x 01 04 00 03 ff
Video_Format
8x 01 35 0p 0q 0r ff
Selects video format.
p = reserved
q = video mode. See the video format
table:
.
r = Used in PrecisionHD 720p camera.
Can be recycled.
WB_Auto
8x 01 04 35 00 ff
WB: White Balance
WB_Table_Manual
8x 01 04 35 06 ff
WB_Table_Direct
8x 01 04 75 0p 0q 0r 0s ff
Used if Wbmode = Table manual.
If Wbmode is not Table manual, the
table index is stored and used next time
Table manual mode is entered.
pqrs = wb table.
AE_Auto
8x 01 04 39 00 ff
AE: Automatic Exposure.
AE_Manual
8x 01 04 39 03 ff
Iris_Direct
8x 01 04 4B 0p 0q 0r 0s ff
Used if AE mode = Manual.
pqrs: Iris position, range 0..50
Camera commands
Contents
Introduction
Physical interface
Connecting the camera
Appendices
Daisy chaining
Video output format
Appendices