TD 92351GB
2007-03-15/ Ver. C
User Manual
Ascom a51 Alarm Transmitter
1
1 Introduction
This document provides a description of the Ascom a51 Alarm Transmitter. The Alarm
Transmitter is described in default programmed version but additional functions and
factory settings are also included, providing a full description of the functionality.
Note that your system may not supply all functions described in this document. For
information about your system, please contact your supplier.
The following documents are recommended as a complement:
• System Description, Personal Security System, TD 90677GB
• System Description, On-site Paging System, TD 91034GB.
Figure 1.
LED Name label
(internal)
IR-receiver
Mute
button
001
Soft-alarm
button
Alarm
button
Pull-cord
Figure 1. Ascom a51 Alarm Transmitter.
1.1 Abbreviations and Glossary
ALS Acoustic Location Signal. A ramped up signal that can be
played after an alarm from an Alarm Transmitter.
IR Infra Red
LED Light Emitting Diode
LF Low Frequency
PCR Portable Charging Rack
PDM Portable Device Manager
SIM Subscriber Identity Module
System 900 Generic term for telePROTECT, teleCOURIER and CTS 900
systems.