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Data Port Interface Protocol
N-560 Service Manual
97
5. Select baud rate by pressing
Adjust Up
or
Adjust Down
button (2400,
9600, or 19200 [default]).
6. Press the
SatSeconds
Alarm Limit button to set the selection.
Connecting To The Data Port
Data is transmitted in the RS-232 and RS-422 formats. RS-232 data can be
transmitted a maximum of 25 feet (7.62 meters). The RS-422 data can be
transmitted a maximum of 4,000 feet (1,219.2 meters). The pin outs for the
data port are listed in Table 19.
TXD+ and TXD- are the differential transmit data pair. RXD+ and RXD- are
the differential receive pair.
Table 19: Data Port Pinouts
Pin
Signal Name
1
RXD+ (RS-422 positive input)
2
RXD (RS
-
232 input)
3
TXD (RS
-
232 output)
4
TXD+ (RS-422 positive output) (-5 to -12 VDC with no audible
alarm, 5 to 12 VDC with audible alarm)
5
Signal Ground (isolated from Earth Ground)
6
NC (No connection)
7
Normally Open (N.O. with no audible alarm), dry contact for Nurse
Call
8
Normally Closed (N.C. with no audible alarm), dry contact for
Nurse Call)
9
RXD- (RS-422 negative output)
Summary of Contents for Nellcor OxiMax N-560
Page 1: ...Service Manual OxiMaxTM Technology Nellcor OxiMax N 560 Pulse Oximeter TM...
Page 10: ...List of Tables N 560 Service Manual viii...
Page 38: ...Performance Verification 28...
Page 80: ...Disassembly Guide 70 Figure 41 Equipotential Ground Terminal Removed...
Page 83: ...Spare Parts N 560 Service Manual 73 Figure 42 Exploded View...
Page 84: ...Spare Parts 74...
Page 88: ...Packing for Shipment 78...
Page 104: ...Specifications 94...
Page 114: ...Data Port Interface Protocol 104...
Page 128: ...Technical Discussion 118...
Page 130: ...Technical Discussion 120...
Page 132: ...Technical Discussion 122...
Page 134: ...Technical Discussion 124...
Page 136: ...Technical Discussion 126...
Page 138: ...Technical Discussion 128...
Page 139: ...Technical Discussion N 560 Service Manual 129 Figure 55 Main PCB Parts Locator Diagram...
Page 140: ...Technical Discussion 130...
Page 142: ...Technical Discussion 132...
Page 144: ...Technical Discussion 134...
Page 146: ...Technical Discussion 136...
Page 147: ...Technical Discussion N 560 Service Manual 137 Figure 59 Front Panel Parts Locator Diagram...
Page 148: ...Technical Discussion 138...
Page 149: ...Technical Discussion N 560 Service Manual 139 Figure 60 Power Supply Schematic Diagram...
Page 150: ...Technical Discussion 140...
Page 151: ...Technical Discussion N 560 Service Manual 141 Figure 61 Power Supply Parts Locator Diagram...
Page 152: ...Technical Discussion 142...
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