Bosch DCN Next Generation Installation And User Instructions Manual page 67

DCN NG | Installation and User Instructions | Section 3 | Central Control Equipment
8.3.7 Connecting the fault contact
The CCU has a fault contact. When the CCU is
operating correctly, the OK pins of the connector are
internally connected. In the case of faults, the Fail pins
are internally connected.
figure 8.9: Fault contact
8.3.8 Connecting the RS232 serial
ports
The CCU has 2 RS232 ports to interface with control
PCs or remote controllers (Open Interface). To connect
control PCs, use a wire-to-wire cable. See figure 8.12 for
an example of connecting a RS232 port of the CCU to a
PC using a wire-to-wire cable.
figure 8. 1 0: RS232 connector (female)
table 8.4: RS232 connector details
Pin Definition
1 DCD
2 RxD
3 TxD
4 DTR
5 SG
6 DSR
7 RTS
8 CTS
9 RI
Bosch Security Systems | 2004-03 | 9922 141 70521en
OK Fail
5 1
9 6
Description
Data Carrier Select
Receive Data
Transmit Data
Data Terminal Ready
Signal Ground
Data Set Ready
Request To Send
Clear To Send
Ring Indicator
By default, RS232 port 1 is configured for connection to
a control PC.
figure 8. 1 1: Connecting a PC to the RS232 port
9 pole D-type
(DCE, male)
DCD 1
RxD 2
TxD 3
DTR 4
SG 5
DSR 6
RTS 7
CTS 8
RI 9
CCU
figure 8. 1 2: Connecting a RS232 wire-to-wire cable
Note
It is possible to use a USB-to-RS232 adapter or
Ethernet-to-RS232 adapter to connect the PC
to the CCU.
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9 pole D-type
(DTE, female)
1 DCD
2 RxD
3 TxD
4 DTR
5 SG
6 DSR
7 RTS
8 CTS
9 RI
PC