Bosch Plena - Sensitivity; Speech Filter; Termination; Router

Bosch Security Systems | 2004-06 | 9922 141 10371en
Plena Voice Alarm System | Installation and Operating | Configuration en | 52
5.5.2 Sensitivity
The sensitivity of the call station’s microphone is set
using switches 5 and 6 (see table 5.8).
5.5.3 Speech filter
If switch 7 is in the ON position, a speech filter is
activated for the call station. The speech filter improves
the intelligibility of speech, by cutting off the lower
frequencies.
5.5.4 Termination
The last CS in a sequence of looped-through call
stations, must always be terminated. Only for this call
station, switch 8 must be in the ON position.
5.6 Router
The router is configured using ID rotary switch and the
termination switch at the rear of a router (see figure 5.8).
5.6.1 ID rotary switch
The ID of a router is set using the ID rotary switch.
Each router should be assigned a unique ID (1 - 9). Use
a small screwdriver to turn the arrow in the correct
position.
5.6.2 Termination switch
The last router in a sequence of looped-through routers,
must always be terminated. Only for this router, the
termination switch ON position.
table 5.8: Call station sensitivity
Sensitivity Switch 5 Switch 6
-15 dB OFF OFF
0 dB OFF ON
6 dB ON OFF
Reserved ON ON
figure 5.8: ID rotary switch and termination switch
1...9
ID
Router
Booster 2
In
Out
Firmware upgrade
Firmware Upgrade
Termination
Off
On