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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
See FIG 4-5 for location, and Table 4-3: for functionality of the DIP-switches.
4.5.3 Jumper settings
See FIG 4-5 for location, and Table 4-4: for functionality of the jumpers.
Table 4-3: 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*
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
DIP switch S9 (default settings)
For location
see FIG. 4-3 and FIG 4-5.
S9
ON
12345678
switches 5 and 7 are ‘RESERVED’
Must NOT be changed
Table 4-4: Jumper settings
Jumper Default Function
3 X13 1 & 2 Jumpered to provide SRAM Battery back-up
Open when removing back-up battery. (Position 2 & 3)
7
X14 1 & 2 Watchdog active
Open for service purposes. (Position 2 & 3)
