Bosch 430 User Manual
Video Recorder 430/451 Series
Hardware setup | en
23
Bosch Security Systems
Installation and Operation manual
F.01U.168.054 | v2.0 | 2012.05
4.4
RS-232 COM port connections
The RS-232 COM port is used to connect a PC to the unit for service purposes or to connect a
Bosch “RS-232 to Bi-Phase Converter”. For service purposes, use a null-modem cable to
connect the serial port of the PC to the unit. The Baud rate can be selected in the menu
system.
Specifications
Connector type: 9-pole D-type male connector
Maximum input voltage: ±25V
Communicaton protocol: Output signals according EIA/TIA-232-F
Figure 4.6
RS-232 COM port connector
Table 4.1
RS232 console port socket
Signal name
Pin number
Description
DCD_in
1
Carrier detection signal (not used)
RX
2
RS-232 receive signal
TX
3
RS-232 transmit signal
N/C
4
No connection
System ground
5
System ground
N/C
6
No connection
RTS
7
RS-232 request to send signal
CTS
8
RS-232 clear to send signal
N/C
9
No connection