Installation Instructions

Connect external components
Desk call station PT2001-A1
7
A6V11899867_en--_a
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7.1.9 Analog control inputs
The PT2001-A1 provides 6 analog control inputs. These analog control inputs
measure the voltage between the GND and the DC 10 V.
The values can be used as a local gain control or as control values for the audio
output volume.
Analog control inputs connector - 'CN1'
Pin
Description
Remark
1
Analog input 1
-
2
Analog input 1
-
3
Analog input 3
-
4
Analog input 4
-
5
Analog input 1
-
6
Analog input 1
-
7
Logic output 1
Not to be used as the analog inputs
8
Logic output 2
Not to be used as the analog inputs
9
Logic output 3
Not to be used as the analog inputs
10
Logic output 4
Not to be used as the analog inputs
11
GND
-
12
10 V
-
Table 75: PT2001-A1 analog control inputs connector - 'CN1'
For more information, see Use analog control inputs [➙ 56].
7.1.10 PACE-Bus RS232 serial interface
This 'PACE-Bus' (RS232) interface is used to connect the 'Desk call station
extension (24 buttons)' PTO2001-A1. It can be used to connect control panels or
for logging data.
'PACE-Bus' (RS232) connector - 'CN4'
Pin
Description
Remark
1
TX
-
2
RX
-
3
GND
-
Table 76: PT2001-A1 'PACE-Bus' (RS232) connector - 'CN4'
7.1.11 Mount the SD card
The PT2001-A1 is equipped with a micro SD card slot. The SD card is used to
store messages and sound files. Only the approved industrial grade SD card
should be used. (Preferred: 'ATP AF2GUD-2*** SD 2 GB Card' PCA2002-A1)