Digital Congress Network Installation and Operating Manual Chapter 6 - DCN Camera Controlen 6-8

6.3

Switching options using a personal computer

 

 

 

 

 

 

 

 

 

 

 

Key to symbols

 

 

 

 

 

 

 

 

 

Using the communication port (COM-port 2) of a PC, a wide variety of communication and

 

 

 

 

 

 

 

 

 

1.

DCN trunk-line

switching options are available. For example, video cameras can be switched and directed towards

 

 

 

 

 

 

 

 

 

2.

COM-port 2

 

 

 

 

 

 

 

 

 

speaking delegates when a VCS (Video Control Switcher) is connected to the PC. Using DCN’s

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

3.

Video OUT

Microphone Management software LBB 3570, and/or Synoptic Microphone Management software

 

 

 

 

 

 

1

 

 

 

 

 

 

4.

Video IN

LBB 3571, cameras can be switched corresponding to the status of delegates’ microphone actions.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

5.

Control signals for camera

Directing a camera towards a speaking delegate is done using motor driven pan/tilt equipment,

 

 

 

 

 

 

 

 

 

programmed and linked according to the microphone activity function which can be activated within

 

 

 

 

 

 

 

 

 

 

system

the mentioned software packages.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

NOTE: Using this method of switching options is a custom made alternative for ‘Automatic

 

camera’ control with Allegiant video switchers.The equipment required including the software

 

are NOT supplied by BOSCH Security Systems. See also the DCN manual for External Inter-

 

faces.

2

FIG 6-5gives an example, showing the method used to switch and direct video cameras using the PC’s COM 2 port and a video control matrix. Using the PC’s RS232 communication port, video recording equipment can also be switched.

Table 5-10:and Table 5-11:show the default COM-port setting.

 

 

 

 

 

VIDEO CONTROL

The data format for RS232 communication

 

 

 

SWITCHER

Microphone on:

$1 <SEAT NUMBER> CR LF

 

 

 

 

 

 

 

3

 

Microphone off:

$2 <SEAT NUMBER> CR LF

 

 

5

 

 

 

 

Request on:

&1 <SEAT NUMBER> CR LF

 

Request off:

&2 <SEAT NUMBER> CR LF

 

All requests off:

&3 0000 CR LF

 

Priority on:

#1 <SEAT NUMBER> CR LF

 

Priority off:

#2 <SEAT NUMBER> CR LF

4

 

 

FIG 6-5 Using microphone activity for video switching

Bosch Security Systems 04-2003 3922 988 43318 en

Switching options using a personal computer

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Bosch Appliances 3922 988 43318 manual Switching options using a personal computer, Key to symbols
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