User manual

Glossary Operating guide for Alarm Receiver Exprecium D 46|52
MCDI SECURITY PRODUCTS INC. 7055 Jean-Bourdon Montréal Québec Canada +514.481.1067 www.mcdi.com [e-mail]
CESA FSK format developed by Bosch. Used in Europe and mostly in France. Requires specific
programming of selected MCDI equipment
CFSK FSK format developed by the C & K Company.
Checksum Used to calculated integrity of an event. Calculating a value for each character of the event and
making a sum of values will generate a number, the checksum. The receiving device must match
this number in order to accept the event. This concept is also used by D4
when in MCDI Catapult
mode.
Close In alarm industry, the act of arming a system
CID Caller ID. This acronym is also used for Contact ID, an Ademco format. D4
supports caller ID or
type 1 originally developed by Bellcore. Other type of caller ID (DTMF type) is used in few
countries. Decrypta 2 is not compatible with this type.
Communicator Part of an alarm system. Dialer
COM port Other name for the serial port. It is Serial because it transmits the eight bits of a byte of data
along one wire, and receives data on a different wire.
Contact ID DTMF Alarm Format developed by Ademco. Wide ly used.
CR Carriage return
D4 D4
alarm receiver.
DB9 9 pins Connector used for serial communication. Located at the back of D4.
DB25 25 pins connector used for parallel communication to printer. Located at the back of D4.
Dead line detection D4
probes phone lines at 4 seconds interval. If dial tone is not detected, D4 reports a dead line.
DNIS Dialed number identification service. DTMF.
Dual round Some panels send alarm event twice. Receiver only if received twice sends kiss off. Pulse only.
Dot matrix Printer type. Mostly Parallel interface and impact printers. Commonly used to print directly from
D4. Support a line-by-line printing.
Drivers Software instructions used by kernel of operating software to direct or transform the signal of an
attached peripheral such as alarm receiver card Exprecium or D4
USB port.
DTMF Dual tone multi frequency. Summation of the amplitudes of two sine (cosine) waves of different
frequencies. Example: Keying '1' will send a tone made by adding 1209 Hz and 697 Hz to the
other end of the line. Formats like Contact ID are of DTMF type.