User manual

DESCRIPTION Page 5 | 41
Operating guide for Alarm Receiver DECRYPTA
3
MCDI Security Products Inc.. Internet: mcdi.com
7055 Jean-Bourdon Avenue, Montreal, QC, Canada H4K 1G7 Telephone: [phone] Fax: [phone]
WARNINGS
-Removal of the power source during reception of an alarm signal may result in losing said signal.
-If 9-12VDC input is used as DECRYPTA
3
sole source of power, events in receiver buffer will be not be lost when
power is removed and will be transmitted to PC when power is restored.
2. DE C R YP TA
3
powered from the BATTERY INPUT
DECRYPTA
3
can powered from a 12VDC battery only. Minimum requirements 12VDC 500 Ma. Severe damages to
the unit may occur if the battery delivers more than 14VDC.
Power led of front display will be blinking when the DECRYPTA
3
gets the power only from the Power Supply Input.
When both sources are used, the led will be ON steady.
WARNINGS:
-MCDI recommends choosing a high quality lead-acid battery or gel type. Most stores selling security equipment hold a variety of
power levels to choose from.
-If not charged, the battery will discharge. DECRYPTA
3
does not provide battery supervision or charge to battery.
DECRYPTA
3
is supplied with a Molex lock type connector. This connector has a red and black wire for connection to
battery.
-Do not use a battery supplying more than 14V DC. Significant heat dissipation will result and may damage unit. Do not use a
battery showing signs of tear, leak or corrosion.
-Never connect a faulty or drained battery to the DECRYPTA
3
.
Battery time
To calculated battery time:
HOURS OF CONTINUOUS BATTERY OPERATION = POWER IN A-H
Example with a fully charged new battery – 500mA drain from DECRYPTA
3
:
12V 600 mAh
1h12min
12V 700 mAh
1h25min
12V 70 Ah
140h
Always refer to battery manufacturer application notes on charging, using and discharging a battery.
Using 2 x 6Vbatteries (serial connection)
In using a serial connection, voltage of each power source will be added and delivered to DECRYPTA
3
.
Using 2 x 12V batteries (parallel connection)
Using a parallel connection of batteries, resulting current to DECRYPTA
3
is the sum of current provided by each
source. Batteries should be matched to prevent heating among power components.
Battery charger
A battery along with a battery charger may be used . Using a supervision circuit is preferable. MCDI tested and recommends
Altronix PM212. and a 12V battery. A circuit like the Altronix PM212 will insure a constant tension (9-12V preferred), battery
charge and battery supervision