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Use
r’s
Manual of OMNI Express Patient Monitor
87
037.007.0001 Rev.2
RS-232 INTERFACE
◼
OVERVIEW
◼
CABLE CONNECTION
◼
EXPORTING TREND DATA
OVERVIEW
Patient data can be obtained through the RS-232 I/O connector on the rear panel of the
monitor by connecting it to an attached PC.
CAUTION:
DO NOT download patient data when the monitor is monitoring a patient.
This may cause the monitor to lock up.
CABLE CONNECTION
The 9-pin connector mounted on the rear panel provides an access port for a serial
(RS-232) interface to a suitably configured personal computer. Its pin layout is as follows:
RS-232 Serial Interface Connections:
Pin #
Signal
Definition
1
not used
2
TXD
Transmit Data
3
RXD
Received Data
4
not used
5
GND
Signal Ground
6
not used
7
not used
8
not used
9
+5V
Power Supply
EXPORTING TREND DATA
In order to download trend data from the OMNI Express, communication software should
be installed in the external computer. The transfer protocol should be set as follows:
Baud Rate: 19,200
Data Bits: 8
Start Bit: 1
Stop Bit: 1
Odd Parity: 1
Connect the OMNI Express to the serial port of the computer using a cable. Start the
communication program on the computer and export trend data from the OMNI Express.