Mounting Instructions

Connect external components
Desk call station PT2001-A1
7
A6V10430579_en--_b
131 | 173
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 diagnosis.
'PACE-Bus' (RS232) connector - 'CN4'
Pin
Description
Remark
1
TX
Send RS232 data
2
RX
Receive RS232 data
3
GND
GND reference voltage
Table 102: 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 and play messages and sound files. Only the approved industrial grade SD
card should be used. (Preferred: 'ATP AF2GUD-2*** SD 2 GB Card' PCA2002-A1)