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Connecting Peripheral Devices
158 Appendix A Modem Interface Module
RS232 Serial
Interface
This RS232 Serial Interface connection enables the monitor to be connected to a PC (no
Philips software supplied). The connector is a female D-type, 9-pin subminiature connector
with a baudrate of 9600.
The following table lists the signals at each pin.
Pin Signal Details
1 I: DCD Data carrier detect
2 I: RxD Receive data from external devices
3 I: TxD Transmit data to external devices
4 0: DTR Data Terminal Ready
5 Gnd RS232 Gnd
6 - Not connected (I: DSR)
7 0: RTS Request to send (connected to pin 8)
8 I: CTS Clear to send (connected to pin 7)
9 - Not connected (O: Ring)