TDM-500i
© 2006 –2012 Telefire Fire & Gas Detectors Ltd Revision 1.12 July 2012
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1 Introduction
Telefire’s TDM-500i Intelligent Dialer is intended for use in fire-, security- and safety
detection systems to automatically dial and play pre-recorded voice messages on alarm
and trouble events to emergency services and key personnel.
The TDM-500i is available in the following configurations:
•TDM-500i – the standard version that uses 24Vdc input
•TDM-500i/12 – an optional version that uses 12Vdc input
The TDM-500i has the following features:
1. Programming phone numbers and recording messages integral to the dialer, without
additional tools.
2. Programming of separate phone lists and messages for two distinct and separate
events.
3. Programming up to 10 phone numbers for each event (optionally up to 32 numbers)
4. Up to 15-digit phone numbers
5. Digital display of phone numbers and control codes whilst programming and during
normal operations
6. Bypass relay to allow connection to non-dedicated phone line
7. Pulse or tone (DTMF) dialing
8. Phone line monitoring, including reporting to the fire alarm control panel
9. Monitoring of the control panel’s control lines
10. Optional RS-232 interface
11. Password protection for programming and recording
12. Programmable delay for dialing through in-house telephone switchboards
13. Selectable triggering: either change-level or pulse (input pulse latching)
14. Adding, editing, displaying, and deletion of phone numbers
15. Recording and automatic playback of multiple messages:
•Message triggered by event A, consisting of two linked segments, the first
describes the event (segment A, up to 10 seconds), and the second, location
and telephone number (segment C, common to both ,messages, up to 20s)
•Message triggered by event B, consisting of two linked segments, the first
describes the event (segment B, up to 10 seconds), and the second, location
and telephone number (segment C, common to both ,messages, up to 20s)
•Or a common messages for both events (up to 40 seconds) – available from
version 2.01.05
16. Optional printing of the dialing list and dialer configuration (requires tool P/N
GSRS-232)
17. Failure indication and programmable Open Collector (CNT) output
18. Buzzer Silence for telephone line errors – available from version 2.01.05
19. Selection of positive or negative level activation for A or B inputs – available from
version 2.01.05
!
Warning
Connect to the Open Collector only equipment that draws less than
150mA.
