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• Relays are bypassed by Auxiliary Bypass
• Supervised as one of the (maximum) seven permitted annunciators.
5.10 Dialer Operation
The FX-401 is equipped with a built-in dialer. The dialer provides a means to communicate
panel status to the remote central monitoring station using two dedicated phone lines. The two
standard protocols for communicating with the central monitoring station are supported by this
panel are as follows.
• SIA Format Protocol
• SIA Contact ID
5.10.1 Event Reporting
Events are reported in a special format depending upon the protocol selected. For a complete
description of the reporting codes see Appendix C - Reporting on page 82.
5.10.2 Telephone line supervision
The phone lines are supervised for the presence of
• DC voltage.
• dial tone, stuttered dial tone and message waiting tone.
Supervision is carried out every two minutes as follows:
1. DC voltage is supervised and if it is detected the dial tone is monitored.
2. If the phone lines are equipped with a house phone with proper connection and is in use
the supervision is suspended until the house phone is ON-HOOK again.
3. If there is an event to be reported in the dialer queue and the house phone is in use the
dialer tries the second line to report the event.
4. if that line’s house phone is also in use the dialer seizes the line. The dialer disconnects
the house phone and reports the event to the central monitoring station.
5.11 Using the Operation Menu from the Control Panel
Operations of the FX-401 Addressable Fire Alarm Control Panel can be managed via the
Operation Menu on the LCD Shared Display. Accessing the menus is done via the Numeric
Keypad and Cursor Buttons. For a complete description of how to use the Numeric Keypad
and Cursor Buttons see Numeric Keypad and Cursor Buttons on page 53.
The following items can be accessed through the Operation Menu:
• Setting the Time on the system
• Setting the Password on the system
• Viewing Reports
Attention: As per UL864 R10 section 41.3.2.13 the dialer is not to call a number
that is call forwarded.
The automatic telephone line test and trouble report must be sent to the
same supervising station.
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