Mounting Instructions

Install internal components
Digital audio matrix PC2003-A1
6
A6V10430579_en--_b
55 | 173
6.3.5 Connect 'PACE-Bus' (RS232)
The digital audio matrix PC2003-A1 provides one 'PACE-Bus' (RS232) connector
('RS485/RS232') at the rear of the housing. This connector can be used to connect
the 'PACE-Bus' (RS232) option modules and for diagnosis.
NOTICE
Use either 'PACE-Bus' (RS485 or RS232)
The digital audio matrices do not allow to use the RS485 and the RS232 at the
same time. Configure in the configuration tool 'PACE-Design' if the RS485 or the
RS232 is used.
Fig. 29: PC2003-A1 'PACE-Bus' (RS232) connector
'PACE-Bus' (RS232) connector - 'RS485/RS232'
Pin
Description
Remark
1
D-
Not used together with RS232
2
D+
Not used together with RS232
3
RX
RS232 Data RX
4
TX
RS232 Data TX
5
GND
GND reference voltage
6
10 V
10 V reference voltage
Table 16: 'PACE-Bus' (RS232) connector - 'RS485/RS232'
The connector is only used to connect the internal 'PACE-Bus' (RS232)
components in the cabinet or a diagnosis PC.
1
RS485/RS232