Mounting Instructions

Connect external components
Call station PT2009-A1
7
154 | 173
A6V10430579_en--_b
7.6.6 Analog audio outputs
The PT2009-A1 provides 1 analog audio speaker output. This analog audio
speaker output 1 is used for the pre-mounted speaker.
Analog audio speaker output 1 connector - 'X2'
Pin
Description
Remark
1
Signal +
-
2
Signal -
-
Table 121: PT2009-A1 analog audio speaker output 1 connector - 'X2'
7.6.7 Extension connector
The PT2009-A1 provides 2 extension connectors.
One of the extension connectors is used to connect the 'Call station extension
(RS485, 8)' PTO2006-A1, the other is not used on the PT2009-A1.
Extension connectors - 'X1' and 'X5'
Pin
Description
Remark
1
GND
GND reference voltage
2
24 V
-
3
NC
Do not use this pin
4
3.3 V
3.3 V is not required to connect the
extension module
5
SDA
I2C interface data
6
SCL
I2C interface clock
Table 122: PT2009-A1 extension connectors - 'X1' and 'X5'