80 (93) TX3 Touch Screen Installation Manual Version 3.4
Copyright 2015 LT-996
Appendix
5.1 Specifications
5.1.1 Operating Temperature
50°C (122°F) to 0°C (32°F).
Do not operate the Touch Screen below 0°C (32°F) at any time.
5.1.2 Telephone Lines
Use only Loop Start telephones (not ground start), check with your local
telephone company.
5.1.3 AC Power Supply
88 VAC to 132 VAC.
5.1.4 External Power Supply
MD-990 156 W, 24 V single output switching power supply.
5.1.5 Door Strikes
Select the appropriate door strike as required by your system applications. We
recommend using the following Mircom door strikes below and its compatible
power transformer.
• Mircom Model M-10. DC (silent) or AC (buzzing) Door Strike. (Use PS-
3B transformer)
Note: The door strike must have its own separate power transformer. Do
not tap or use the system power transformers. When using a
different door strike and door strike transformer, the maximum
strike load that may be switched through the control unit is 28 Vac
or 3.0 Amp DC.
5.1.6 Post Office Lock
The system has a built-in micro switch and mounting hardware for a postal lock
installation. If a postal service is required, contact the Post Office to obtain the
lock.
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