Connection Diagram For External Sensor - Panasonic KX-TDA100 Installation Manual

Connection Diagram for External Sensor

Power to the external sensor is provided from the EIO4 card and must be grounded through the EIO4 card
as indicated in the diagram below. A pair of "sensor" and "common" lines are connected to the EIO4 card
for each external sensor. The Hybrid IP-PBX detects input from the sensor when the signal is under 100 Ω.
Hybrid IP-PBX
OPB3
EIO4
+5V
10K
I/O
4.7K
4.7K
+5V
33
sensor
33
common
2.6 Installation of the Other Cards
External Sensor
Installation Manual 131