Signaling - Bosch DCN Next Generation Installation & User's Instructions

DCN Next Generation | Installation and User Instructions | Peripheral Devices
47.5

Signaling

47.5.1 Speak slowly signaling
The interpreter desks (DCN-IDESK) have a Slow
button. With this button, the interpreters can activate an
indicator that tells the current speaker to speak slowly.
This function of the interpreter desk must always be
used along with the data distribution board. Refer to
figure 47.15 for the physical connections.
External
V 50 V(DC) ≤
_
+
I 125 mA
I 125 mA
I 125 mA
I 125 mA
I 125 mA
I 125 mA
I 125 mA
I 125 mA
figure 47. 1 5: Physical connections
Note
The parallel outputs are also available on a
20-pole connector (refer to table 47.9).
Bosch Security Systems | 2007-02 | 9922 141 70525
On PCB
VC+
≤ D00
≤
D01
≤ D02
≤ D03
≤ D04
≤ D05
≤ D06
≤ D07
GND
VC+
D08
D09
D10
D11
D12
D13
D14
D15
GND
Refer to figure 47.16 for a circuit diagram for speak
slowly signaling.
VC+
R
I 125 mA ≤
D00..D07
On PCB
GND
figure 47. 1 6: Circuit diagram
The first request to speak slowly activates parallel output
D00 of the data distribution board. The second request
(from a different interpreter booth) activates parallel
output D01, the third request activates parallel output
D02 etc. The maximum number of activated parallel
outputs is eight (D00 to D07).
en | 263
+
V 50 V(DC) ≤
_