Bosch Appliances Webcam 3922 988 43318 User Manual

Bosch Security Systems | 04-2003 | 3922 988 43318 en

Digital Congress Network | Installation  and Operating Manual | Chapter 4 - Central Control Equipment

en | 4-7

CCU Trunk Communication Board (TCB4)

4.5.2  S9  DIP-Switch settings

 for location, and 

 for functionality of the DIP-switches.

4.5.3  Jumper settings

 for location, and 

 for functionality of the jumpers.

Table 4-3:  S9 DIP-switch settings

SW 1

ON*

OFF

Chairman priority  tone ON (default).

Chairman priority  tone OFF

SW 2

ON

OFF*

Audio ‘Mix-Minus’ mode activated in combination with SW3 = OFF

Normal Operation (default).

SW 3

ON

OFF*

Audio ‘Insertion’ mode activated in combination with SW2 = OFF

Normal Operation (default).

SW 4

OFF*
ON

Floor distribution ON (default).
No floor distribution on unused language channels

SW 5

OFF

Reserved (IMPORTANT: must not be changed)

SW 6

ON

OFF*

Active microphones and request will be permanently switched off if 
the priority function of the chairman unit is used. (default).

Active microphones will be  switched off  temporarily if the priority 
function of the chairman unit is activated.

SW 7

OFF

Reserved (IMPORTANT: must not be changed)

SW 8

ON

OFF*

Switching on the CCU will activate the BOOT software, this makes a 
new download possible. All memory settings will be erased and 
returns to the default settings. The unit addresses will not be erased.

Normal operation (default).

* = default setting

For location

 

see

 FIG. 4-3 

and

 FIG 4-5

.

S9

ON

1 2 3 4 5 6 7 8

switches 5 and 7 are ‘RESERVED’
Must NOT be changed

 

Table 4-4: Jumper settings

Jumper

Default

Function

3

1 & 2

Jumpered to provide SRAM Battery back-up
Open when removing back-up battery. (Position 2 & 3)

7

1 & 2

Watchdog active
Open for service purposes. (Position 2 & 3)