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osch Security Systems

 

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Digital Congress Network

 

 | TCB 4 Upgrade Kit LBB 3519/20 | Chapter 2. Trunk Communication Board (TCB4)

 

2.4  

 

S9  DIP-Switch settings

 

See 

fig. 2-1

 for location, and 

Table 2.1

 for functionality of the DIP-switches.

 

2.5  Jumper settings

 

See 

fig. 2-1

 for location, and  

Table 2-2

 for functionality of the jumpers.

 

Table 2.1 :  S9 DIP-switch settings

 

TCB4

 

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

Reserved 

 

(IMPORTANT: 

 

must not be changed)

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.

Active microphones will be  switched off  temporarily if the prior-
ity function of the chairman unit is used 

 

(default).

 

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

 

DIP switch S9 (default settings)

 

 

For location

 

see

 fig.. 2-1 .

switches 4, 5 and 7 are ‘RESERVED’
Must NOT be changed

 

 

Table 2.2 : Jumper settings

 

TCB4

Default

Function

 

X13

1 & 2

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

X14

1 & 2

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