3-18 120 Series Maternal/Fetal Monitor Revision B
2015590-001
Controls, Indicators, and Connectors: Rear Panel Description
Table 3-13. 120 Series Rear Panel (Standard and Optional Features)
Name Description
A Vent
Provides ventilation for the monitor’s internal
circuitry.
B
J101 Telemetry
Connector
Connector for Corometrics telemetry system
interface. (Installed as part of an optional
communications package.)
C
J103 Data Entry
Connector
Connector for data entry system interface.
(Installed as part of an optional communications
package.)
D
J104 Nurse Call
Connector
Connector for standard Nurse Call System
interface. The connector’s maximum output is 50
Vdc at 100 mA; the maximum on resistance is
0.5 Ω. (Installed as part of an optional
communications package.)
E
J102 Central Systems
Connector
Connector for analog central station system
interface. (Installed as part of an optional
communications package.)
F Speaker
The rear panel speaker emits an audible tone for
heart rates, MSpO
2 pulse with %O2-dependent
pitch, and alarms. It also provides the sound for
the song player feature.
G J108 Corolan Connector
This 25-pin connector is used for interfacing to
optional Corometrics equipment. Contact your
Service Representative for more information.
H
J109, J110, and J111
RS-232C
Communications
Connectors
Three serial RJ-11 connectors are provided for
interfacing to peripheral equipment. Contact your
Service Representative for more information.
I ECG Out Connector
External recorder receptacle for MECG signals.
The standard output level is 1 V/mV.
J
Fetal Acoustic
Stimulator Connector
Receptacle for Corometrics Model 146 Fetal
Acoustic Stimulator (FAST). A music symbol prints
on the strip chart paper each time the Model 146 is
used:
K
Remote Event Marker
Connector
Receptacle for the Corometrics Remote Event
Marker. When activated, one of the following
marks prints on the strip chart paper:
The event marker is commonly used to record
an “event”:
The fetal movement marker (default setting) is
commonly used as an indication that the mother
has perceived fetal movement:
FM