108 (119) Telephone Access System Installation and Operation Manual Version 3.7
LT-969 Copyright January 2017
Appendix
8.1.6 Outputs 2-4
Form C relays with these contact ratings:
• 125 VAC / 2 A
• 30 VDC / 1 A
8.1.7 Post Office Lock
There is provision for a micro switch and postal lock installation. If a postal
service is required, contact the Post Office to obtain the lock.
8.1.8 Tamper Switch
This switch can be connected to any security or monitoring system to supervise
the opening of the panel front door. This microswitch is the same type used for the
postal lock. This switch is normally open when the panel front door of the TX3 is
closed, and operates at 28 Vac or 28 Vdc, 1A.
8.1.9 Modem
Compatible modems are listed below:
• TFM-560U High Speed USB 2.0 Fax Modem
• TFM-561U High Speed USB 2.0 Fax Modem
• Hiro H50113 56K V.92 USB Fax Modem
• StarTech USB56KEM2 56k V.92 USB Fax Modem
• Zoom 56K V.92 56K USB Mini External Fax Modem
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