Covidien Nellcor OxiMax N-600x Operator's Manual page 115

N-600x Operator's Manual
Table 8: Data Port Pinouts
Pin
14 AN_PLETH (analog pleth waveform output)
15 NC_COM (relay closure nurse call, common lead)
TxD represents the Transmit Data line, and RxD is the Receive
Data line.
The pin layouts (as viewed from the rear panel of the N-600x) are
illustrated in Figure 6. The conductive shell is connected to earth
ground when connected to a PC or printer.
Figure 6: Data Port Pin Layout
Pins 2, 3, and 5 provide data in RS-232 format.
Pins 1, 4, 9, and 12 provide data in RS-422 format. TxD+ and
TxD- are the differential transmit data pair. RxD+ and RxD- are the
differential receive data pair.
WARNING: If the serial port, analog outputs, or nurse call
lines are shorted, remote communication may be lost.
Using the Data Port
Signal Name
107