Lobby Control Unit Setup
Version 5.4 TX3 Telephone Access System Installation and Operation Manual 59
LT-969 Copyright 2019
When using a dry contact for the main door instead of a door strike or maglock,
wire the external controller to the left hand terminals of the AC Door Supply and
Input Door Supply as shown in figure 35. JW8 controls whether the contact is
normally open or normally closed.
Figure 35. Main Door Dry Contact Wiring
4.3.6 Auxiliary Door Relay (Output 2)
The auxiliary door output is configured for activation by the resident’s telephone
keypad and can be configured to activate general outputs. This relay is a relay
contact programmable output with these ratings:
• normally open (NO)
• normally closed (NC) available
•125 VAC / 2 A
• 30 VDC / 1 A
4.3.7 General Output Relays 3 and 4
Outputs 3 and 4 are relay contact programmable outputs with the following
characteristics.
• normally open (NO)
• normally closed (NC) available
•125 VAC / 2 A
• 30 VDC / 1 A
The general output relays can be correlated to operate for the following events:
• when inputs 1 to 5 are active
• call is started
AC Output 1
Door Strike
AC or DC Input
Door Strike Supply
NO
NC
JW8
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