Mircom TX3 Series Installation And Operation Manual page 38

3.4.6 Supervision requirement
Each input is configured for a specific type of supervision depending on your
particular installation requirements as follows:
•
•
•
•
3.4.6.1 No Supervision
When inputs are configured with no supervision, the active state is either 'open'
or 'short' as programmed.
3.4.6.2 Supervised for open
When configured as supervised for open, the active state is 'closed' (short). Open
supervision uses a single 47K ohm resistor.
Figure 15. Input - Supervised for Open
Note:
TX3-CX Card Access System Installation and Operation Manual
38
LT-980 Copyright 2017
no supervision
supervise for open
supervise for short
supervise for both open and short
Active when short
47 K ohms
The active state cannot be an open state.
Installation and Setup of the Card Access Controller
Version 4.1