Mounting Instructions

Connect external components
Desk call station PT2001-A1
7
128 | 173
A6V10430579_en--_b
7.1.5 Analog audio inputs
The PT2001-A1 provides 2 analog audio inputs:
● Analog audio input 1 is used for the attached microphone via the mounted XLR
connector.
● Analog audio input 2 can be used for other audio sources.
Analog audio input 1 and 2 connector - 'CN1'
Pin
Description
Remark
1
GND
GND reference voltage
2
Signal +
-
3
Signal -
-
Table 97: PT2001-A1 analog audio input 1 and 2 connector - 'CN1'
7.1.6 Analog audio outputs
The PT2001-A1 provides 2 analog audio outputs:
● Analog audio output 1 is used for the mounted speaker.
● Analog audio output 2 can be used for other audio components
Analog audio output 1 and 2 connector - 'CN5'
Pin
Description
Remark
1
GND
GND reference voltage
2
Signal +
-
3
Signal -
-
Table 98: PT2001-A1 analog audio output 1 and 2 connector - 'CN5'
7.1.7 Logic control inputs
The PT2001-A1 provides 4 logic control inputs.
The 4 logic control inputs can be used to monitor contacts. The key switch
extensions PTO2002-A1 and PTO2003-A1 require two logic control inputs.
Logic control inputs connector - 'CN7'
Pin
Description
Remark
1
Logic control input 1
-
2
Logic control input 2
-
3
Logic control input 3
-
4
Logic control input 4
-
5
GND
GND reference voltage
6
DC 10 V
10 V reference voltage
Table 99: PT2001-A1 logic control inputs connector - 'CN7'
For more information, see Use logic control inputs [➙ 69].