3-20 120 Series Maternal/Fetal Monitor Revision B
2015590-001
Controls, Indicators, and Connectors: Rear Panel Description
Communication Option
The communication option is an additional circuit board that can be installed in the
120 Series Monitor. Refer to “Chapter 12, Upgrading a 120 Series Monitor” , for
upgrade information. The following four connectors are part of the optional
communications package: J101, J102, J103, and J104.
J101 Connector
This high-density 15-pin connector is intended for interfacing to the receiver of a
Corometrics 340 Series Telemetry System.
J102 Connector
This Centronics-type connector is used for interfacing to a central station system
such as a Corometrics Spectra 400 Surveillance and Alert System. (This connector is
often referred to as the Analog Interface Connector.)
J103 Connector
This 15-pin connector is used for attaching to an optional data entry system.
J104 Connector
This connector attaches to a standard Nurse Call System. The connector’s maximum
output is 50 Vdc at 100 mA; the maximum on resistance is 0.5 Ω. When connected
to a Nurse Call System, the monitor will activate the system each time a Spectra
Alert is issued. This interface simulates pressing the button on a bedside Nurse Call
System allowing nurses to respond to patient needs quickly and efficiently.
NOTE: Although the J104 Nurse Call connector is physically present on the
optional communications package, this connector is only supported as part
of the Spectra Alerts option.
Corolan Option
J108 is installed as part of a Corolan Option. Refer to “Chapter 12, Upgrading a 120
Series Monitor” for upgrade information.
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