Cisco Systems 1080P12X Manual De Usuario

Cisco TelePresence PrecisionHD Camera

PrecisionHD Camera User guide

D14640.09 PrecisionHD 1080p-720p Camera User Guide, June 2012.

www.cisco.com

The VISCA™/RS–232 control protocol, cont...

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 will

always run to completion. Don’t 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 will be sent to the controller.

gg = IR ID

hh = keycode

Do not apply to PrecisionHD 4x/4xS2 cameras

NOTE:

Some VISCA™ commands do not apply to the PrecisionHD 1080p4x/4xS2 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 was on for a long time.
Puts the PrecisionHD 1080p

camera in standby position.

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:

Video mode

selection

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

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

Gain_Direct

8x 01 04 4c 0p 0q 0r

0s ff

Used if AE mode = Manual. pqrs:

Gain position, values:12-21dB.

Backlight_On

8x 01 04 33 02 ff

BacklightCompensation mode

Backlight_Off

8x 01 04 33 03 ff

Camera commands

Contents

Appendices

Introduction

The physical interface

Connecting the camera

Video output formats

Daisy chaning

Appendices