GE Corometrics 170 Series Service Manual page 190

Nellcor Puritan Bennett Model N-400
Fetal Pulse Oximeter
8-8
Peripheral Devices: RS-232 Connectors
Through this interface, FSpO
printed every five minutes on the strip chart paper of the 170 Series Monitor. The
reading is printed in the annotation area between the top and bottom grids. A solid
diamond marker, above the data, marks the time of the reading and identifies the
data source as an external device. The following is an example annotation:
FSpO 47%
2
In addition, the FSpO data is trended on the bottom grid of the strip chart paper as a
2
beaded trace. The trend uses a 0-100% scale. Refer to
FSpO 47 %
2
9:00 US US2
12
10
8
6
4
2
0 kPa
Figure 8-1. FSpO
To connect the Model N-400:
1. Using interface cable catalog number (REF) 1557AAO/BAO: connect one end
to an available
RS-232C
the Serial Communications
NOTE: This cable can be used with both 120/2121is and 170 Series Monitors.
Although the 120/2120is uses 6-pin RJ-11 connectors and the 170 uses 8-
pin RJ-45 connectors, the latter is center keyed to account for this. The 170
uses RJ-45 connectors to provide for future interface features.
2. Access the monitor's service setup mode and set the baud rate to 2400 and the
mode to ext. FSpO ; then exit the service setup mode.
2
170 Series Monitor
2000947-004
readings provided by an NPB Model N-400 are
2
Figure
TOCO FSpO %
2
100
75
50
25
UA
0 mm Hg
Data Example
2
port on the 170 Series Monitor; connect the other end to
port on the pulse oximeter.
8-1.
3 CM/MIN
–100% SpO
2
12
10
8
–50%
6
4
2
0
–0%
Revision C