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30 en | Hardware setup Divar 700 Series
F.01U.246.471 | v3.6 | 2011.11 Installation and Operation manual Bosch Security Systems
4.8 RS232 COM port connections
The RS232 COM ports are used to connect a PC to the unit 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 4.12 RS232 COM port connectors
Table 4.1 RS232 console port socket
Signal name Pin number Description
DCD_in 1 Carrier detection signal (not used)
RX 2 RS232 receive signal
TX 3 RS232 transmit signal
N/C 4 No connection
System ground 5 System ground
N/C 6 No connection
RTS 7 RS232 request to send signal
CTS 8 RS232 clear to send signal
N/C 9 No connection
COM 1 COM 2