Read Panasonic KX-NS5162XSX Service Manual online
7
KX-NS5162X/KX-NS5162SX
4.2.
Circuit Operation
4.2.1.
Door Phone & Door opener circuit
Composition :
This Door phone card is composed of the two door phone interface and two door opener interface and two external sensor inter-
face section.
face section.
1. Door phone section
This card has two door phone interface.
This door phone intercom pass is composed of the send amplifier and receive amplifier circuits.
This interface has the door phone connect detection circuit and the door phone call detection circuit.
This door phone intercom pass is composed of the send amplifier and receive amplifier circuits.
This interface has the door phone connect detection circuit and the door phone call detection circuit.
2. Door opener section
This card has two door opener interface.
This interface is used for the door opener SW.
This interface is used for the door opener SW.
3. External sensor section
This card has two external sensor interface.
Power to the external sensor is provided from the Door phone card and must be grounded through the Door phone card as
indicated in the diagram below. A pair of "sensor" and "common" lines are connected to the Door phone card for each external
sensor. The PBX detects input from the sensor when the signal is under 100
Power to the external sensor is provided from the Door phone card and must be grounded through the Door phone card as
indicated in the diagram below. A pair of "sensor" and "common" lines are connected to the Door phone card for each external
sensor. The PBX detects input from the sensor when the signal is under 100
.
4.2.2.
Host interface & Highway interface
DPH2 card has one orignal PLD(IC100).
This device have following functions.
This device have following functions.
1. DPH card control from Host processor
2. Highway data/clock/fram head signal are changed for DPH.
2. Highway data/clock/fram head signal are changed for DPH.
Click on the first or last page to see other KX-NS5162XSX service manuals if exist.