GE Corometrics 170 Series Service Manual page 71

Pin#
1
2
3
4
5
6
7
8
9
10
11
12
Figure 5-8. Uterine Activity Connector (facing the front panel from the outside)
Revision C
Theory of Operation: Functional Overview
Table 5-12. Uterine Activity Connector
Signal Name
+PRESSURE
–PRESSURE
NC
+4 VOLT
EXCITATION
NC
GND
(EXCITATION REF)
UA SHIELD
NC
NC
NC
NC (171/172)
IUP ENABLE (173/174)
TOCO ENABLE *
* Active low.
8 7 9
12 6 5
1
8
9
7
12
11
6
5
170 Series Monitor
2000947-004
Signal Description
Positive Input to Pressure Amplifier
Negative Input to Pressure Amplifier
No Connection
+4 Volt Reference
No Connection
+4 Volt Reference Ground
Shield
No Connection
No Connection
No Connection
No Connection (171/172)
Mode Enable for IUP (173/174)
Mode Enable for TOCO
1 3 2
11 10
4
2
10
3
4
5-11