2-14 250 Series Maternal/Fetal Monitor Revision D
2020551-001
Equipment Overview: Optional Components
Optional Components
Software Upgrades
To install a purchased option, a software utility program uses one of the monitor’s
RS-232 serial ports. Each upgrade CD contains the software upgrade. The
instructions for running the upgrade are on the CD. Refer to Chapter 6, “Parts List,
Drawings, and Replacement” to order a kit.
Adding Spectra Alerts
The monitor can be upgraded to include Spectra Alerts. Refer to Appendix D of the
Corometrics 250 Series Operator’s Manual
for more information.
Adding Fetal Movement Detection
The monitor may be upgraded to include Fetal Movement Detection. Contact your
GE Service Representative for further information.
Peripheral Components
Nellcor
®
Puritan Bennett Model N-200 Maternal Pulse Oximeter
Through this interface, MSpO
2
readings provided by an NPB Model N-200 are
printed at selected intervals on the strip chart paper of the 250 Series Monitor.
When the recorder is on, each reading is printed in the annotation area between the
top and bottom grids. A filled 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:
MSpO
2
97% P 78
When the recorder is in maternal-only mode, a time stamp and filled diamond mark
precede each reading. A sample annotation looks like this:
11:13 MSpO
2
97% P 78
To connect the Model N-200:
1. Using interface cable, connect one end to an available
RS-232C port (J109 or
J111 only) on the 250 Series Monitor; connect the other end to the
Serial
Communications
port on the pulse oximeter.
2. Access the Communications Setup service mode screen and set the mode to
Nellcor for the appropriate port. Using the manufacturer’s instructions for use for
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