Revision C 170 Series Monitor 5-11
2000947-004
Theory of Operation: Functional Overview
* Active low.
Figure 5-8. Uterine Activity Connector (facing the front panel from the outside)
Table 5-12. Uterine Activity Connector
Pin# Signal Name Signal Description
1 +PRESSURE Positive Input to Pressure Amplifier
2 –PRESSURE Negative Input to Pressure Amplifier
3 NC No Connection
4
+4 VOLT
EXCITATION
+4 Volt Reference
5 NC No Connection
6
GND
(EXCITATION REF)
+4 Volt Reference Ground
7 UA SHIELD Shield
8 NC No Connection
9 NC No Connection
10 NC No Connection
11
NC (171/172)
IUP ENABLE (173/174)
No Connection (171/172)
Mode Enable for IUP (173/174)
12 TOCO ENABLE * Mode Enable for TOCO
1
2
3
4
5
6
7
12
9
8
10
11
23
4
56
879
101112
1