Product Description
MS-5UD/MS-10UD Series PN 52626:B 8/01/2008 17
LED Indicators
LEDs are provided to annunciate the following conditions:
• Fire Alarm - red LED
• Supervisory - yellow LED
• AC Power - green LED
• System Trouble - yellow LED
• Alarm Silence - yellow LED
• Primary Phone Line Active (on circuit board) - red LED
• Secondary Phone Line Active (on circuit board) - red LED
• Kiss-off (on circuit board) - green LED
Local Piezo Sounder
A piezo sounder provides separate and distinct sounds for alarm, trouble, maintenance, process
monitor and supervisory conditions as follows:
• Alarm - on steady
• Trouble - pulse 1 second on and 1 second off
• Maintenance - pulse 1 second on and 1 second off
• Supervisory - pulse ½ second on and ½ second off
• Process Monitor - pulse ¼ second on and ¼ second off
1.4 Digital Alarm Communicator/Transmitter
Two modular phone jacks allow easy connection to telephone lines. Modular jacks are labeled PH1
for Primary Phone Line and PH2 for Secondary Phone Line. Two telephone line active red LEDs
are provided as well as a green Kissoff LED. The integral digital communicator provides the
following functions:
• Line Seizure: takes control of the phone lines disconnecting any premises phones
• Off/On Hook: performs on and off-hook status to the phone lines
• Listen for dial tone: 440 Hz tone typical in most networks
• Dialing the Central Station(s) number: default is Touch-Tone
®
, programmable to rotary
• For tone burst or touchtone type formats: discern proper Ack and Kissoff tone(s). The
frequency and time duration of the tone(s) varies with the transmission format. The control
panel will adjust accordingly.
• Communicate in the following formats:
Ademco Contact ID
SIA-DCS-8
SIA-DCS-20
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