Bosch PLENA PLN-6AIO240 - Microphone Adaptor Connections

Number Item Description
58 Zones 1-6 output terminals Output terminals for Zones 1 to 6. Each zone can be selected
independently and has a 100 V‑0 V terminal.
59 AM/FM input termina Set of inputs for a 300 ohm AM antenna and a 75 ohm FM antenna. An
AM antenna and FM antenna connector are supplied with the unit.
Microphone Adaptor connections
Use the Microphone Adaptor in combination with a shielded Cat-5 cable to connect a PLE-1CS
or PLE-1SCS Call Station to Input 1 RJ45 connector (42). An unshielded Cat-5 cable may pick
up hum and is not recommended.
Figure 6.2: Microphone Adaptor
5
4
3
2
GND
GND
TR
CK2CK1
-
+
1
3
5
7
2
4
6
8
Figure 6.3: Microphone Adaptor connector layout
6.2
Plena All-in-One System Connection | en 17
Bosch Security Systems B.V. Installation and Operating Manual 2014.09 | V1.2 |