Novametrix Medical Systems OXYPLETH 520A, Service Manual

Page: 80 / 133

Section 15
Connecting to other Equipment
70
Model 520A Service Manual 5693-90-01
PRELIMINARY
Output Module in place. The pinouts of the 9-pin analog and 25-pin RS232C
connector are shown below.
Analog Output Setup
15.6
A
CALIBRATE RECORDER
menu within the Model 520A software allows the user
to easily calibrate analog recorders to the voltage levels produced by the Analog
Output Module. To access this feature:
1. With the monitor in normal running mode press and hold the
MENU
key until
SPO2 SETUP OPTIONS
appears on the display. Press the
NEXT
key until
Figure 17. Analog Output Module
Figure 18. Analog Output Module Pinouts
1 5
6 9
PR
GNDI
PLETH
SAT
Pin 1 Pulse Rate, 4mV/bpm, 0-1V
Pin 2-3 GNDI (Interface ground)
Pin 4-5 Saturation, 10mV/%, 0-1V
Pin 8-9 Plethysmogram, 0-1V
(Auto Gain Control)
1 13
14 25
RX
TX CTS
GNDI
VDI
DTR
GNDI
Pin 2 RX (Receive In)
Pin 3 TX (Transmit Out)
Pin 6 CTS (Clear To Send (input))
Pin 7 GNDI (Interface ground)
Pin 20 DTR (Data Transmit Ready
(output))
Pin 21-22 GNDI (Interface ground)
Pin 24-25 VDI (Int5 volts)