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GLOSSARY A-B-C-D-E-F-G-H-I-J-K-L-M -N-O-P-Q-R-S-T-U-V-W-X-Y-Z Other MCDI FAQs: -General FAQ on MCDI products -MCDI commercial practices -MCDI shipping practices -MCDI IP product family -Hardware support -Software support |
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ALARM RECEIVING GLOSSARY Account number Part of an alarm signal that designates the supervised location. Acknowledge Single or group of characters sent by a device or software to a device upstream. This distinctive signal informs the device an alarm event/signal was received. Carriage return is mostly used. ACRON Reporting format. Not widely used. Ademco 685 Reporting format of said Alarm receivers. ANI Automatic number ID. A service feature in which the directory number or equipment number of a calling station is automatically obtained. ASCII American Standard Code for Information Interchange. Pronounced "askee"; binary code of 128 characters represented by a string of seven binary numbers and a parity bit. AWG Standardized system for sizing wires according to the wire's diameter. The smaller the AWG number the larger the diameter of wire. When specified, it is essential to respect the gauge of the wire to allow heat dissipation. Automation software Central Station Software such as CyberSAMM, WinSAMM, SAMM, SIS, SIMS, Patriot. AXE Advance eXchange for Extrium. Configuration tool developed for MCDI Extrium family. Also compatible with most MCDI receivers. Based on Java programming language and works on windows OS. Compatible with most MCDI receivers. Baud rates A measure of speed. Alarm receivers mostly communicate with PCs at 1200 bits per second. Bit Smallest element of computer information. Either 1 or 0 in binary system. 1 Kb is 1024 bits. A Mb is 1048567bits. An Ethernet card usually transmits at 10Mb/s or 100Mb/s. Bios Basic Input/Output System. Program residing in the ROM chip of a computer. Provides the basic instructions for controlling computer hardware. Both the operating system and application software use BIOS routines to ensure compatibility. Buzzer Sound device located inside MCDI alarm receivers or on a MCDI alarm receiver board. Emits a sound when an alarm is received or when a reboot process is under way. Byte A group of 8 bits. A KB is 1024 bytes, A MB is 1048567 bytes. BFSK FSK type of communication. Catapult MCDI IP mode. Also designates a MCDI RACK receiver/router product with embedded Linux and IP capabilities. Caller ID Information sent by the Phone Company that reveals the phone number calling and sometimes the name linked to this phone number. CCITT European equivalent to Bell 103. Modem Format. Some MCDI receivers can be fitted to accept CCITT. 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 DECRYPTA2 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. DECRYPTA2 supports caller ID or type 1 originally developed by Bellcore. Other type of caller ID (DTMF type) is used in few countries. MCDI receivers are not compatible with this later type. CCommunicator 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. Widely used. CCR Carriage return Cybersamm Automation Software for Monitoring Stations. Equipped with mySQL database and web access engine. DECRYPTA2 DECRYPTA2 alarm receiver developped by MCDI. Dual outputs and dual power sources. DECRYPTA 3 (D3) DECRYPTA 3 alarm receiver developped by MCDI Security Products as RoHS replacement to D2. Dual outputs and dual power source with fall over management. DB9 9 pins Connector used for serial communication. Located at the back of DECRYPTA2. DDB25 25 pins connector used for parallel communication to printer. Located at the back of DECRYPTA2 or on bracket or MCDI receiver boards. Dead line detection MCDI receivers (TLR+ rev. 2 and up) probe phone lines at 4 minutes interval. If dial tone is not detected MCDI receiver reports a dead line. DNIS Dialed number identification service. DTMF. Dual round Some panels send alarm event twice. Receiver only sends kiss off if events are identical. Pulse and DTMF. Dot matrix Printer type. Mostly Parallel interface and impact printers. Commonly used to print directly from DECRYPTA2. 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 DECRYPTA2 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. Earth Ground Any device connection or a grounding rod used to connect devices such as DECRYPTA2 to earth. Such a connection is used as a sink for electrical transients and possibly damaging potentials, such as those produced by a nearby lightning strike. E2 Exprecium2 mode. Advanced programming for Exprecium2 generation of receivers. Common to MCDI Exprecium PCI cards and Decrypta2. Suitable with MCDI SP Cognitum, Catapult and Extrium receivers. E3 Exprecium 3 (3rd general). Designed by MCDI Security Products Inc. as RoHS replacement for E2. Suitable with MCDI CP Cognitum, Catapult and Extrium receivers. Event MCDI uses this terminology to designate a string of characters or a packet that amounts to a signal sent from an alarm panel. Firmware Programs or instructions stored in a PROM. MCDI uses the terminology firmware to refer to the software residing on a PROM or EPROM. FIFO First in first out. An approach to handling program instructions from queues and stacks where the oldest request is handled first.Referes to pipes and piles. FSK Frequency shift keying. In digital communication, an audio frequency is used for 1 and a different frequency is used to signal 0. FTC Fail to close. Event created when a system remains disarmed at preset time. FTO Fail to open. Event created when a system remains armed at preset time. GCI 1800/1900 GSM backup interface by MCDI. Interfaces GSM phone signal to PSTN (RJ11 plugs) and transfers ring to let alarm receivers such as Decrypta and DECRYPTA2 receive alarm sent over a GSM network. 900/1800 are the frequencies used is most of the planet. 1900 is mostly used in North America and parts of South America. Ground Earth ground or logic ground. Ground Loop An alternative path in which current can travel. Ground loops can produce noise very often detrimental to phone lines quality and correct operation of electronical devices. Ground Lug A lug used for connecting Decrypta alarm receivers to earth ground. Decrypta receivers should be connected to earth ground to protect them from transient potentials such as nearby lightning strikes. GSM Global System for Mobile communications. Wireless phone system used in most parts of the world. GUI Graphical User Interface. Pronounced "gooey". Graphical rendering of the programming code used by the PC. Half Duplex Each end of a communication circuit can transmit and receive data, but not simultaneously. Most alarm transmissions are of this type. Handshake Frequency emitted by the alarm receiverl in order to match the format of the alarm panel. MCDI alarm receivers emit several handshake tones in order to mate with the panel. Handshake sequence In several MCDI alarm receivers, the ability to specify an order of appearance in order to speed the matching process between the panel and the alarm receiver. Heartbeat Single character or group of characters sent from one device to the other at regular intervals. HUB Common connection point for devices in a network. Used to link several client units to a master unit or entry point.Typically a USB hub or an Ethernet hub. ISA Industry Standard Architecture. Slower 8 or 16-bit BUS (data pathway). TLR and TLR+ receiver card are of this type. Fading out of the market. JAVA Cross platform programming language developed by Sun Microsystems around 1995. Originally called OAK. Usually requires installation of software for interpretation, a java virtual machine, in each specific operating system. MCDI uses java in Decrypta2 and exprecium2 , Extrium families for configuration tools and loggers. Kiss off Tonality or signal sent by the alarm receiver to inform corresponding device of the end of session. LAN Local-Area Network. Connection of workstations, PCs or other LANs to enable data access and device sharing. Late to close LTC. Event created by arming a system after specified time.. Late to open LTO. Event created by disarming a system after specified time.. Listen-in Ability to hold the phone line and listen and sometimes talk on the phone line. This feature is format related. Logger In context, a software tool for windows base computer provided by MCDI for basic capture of alarm signals from receivers.. mA Milliampere Unit of current that is 1/1000 of an Ampere. Measure of current needed to power a MCDI alarm receiver. Modem The name combines "modulate" and "demodulate". Refers to its ability to transmit and receive data superimposed on a carrier frequency. In alarm industry usage, a modem is a type of communication. FSK formats are modem types.. Modem3a2 Alarm format owned by Radionics company. Built-in DECRYPTA2 and Exprecium2. An agreement between the user and Radionics is required to activate.. mV Millivolt. Unit of electrical potential. 1/1000 of a volt. NVRAM Non volatile memory. Holds memory without power. Memory with clock functions used in DECRYPTA2 and Exprecium2. Can be field programmed.. Open In the alarm industry, the act of disarming a system. Operator Alarm Central operator OOS Operating System such as Windows XP, Linux. Output In context referred as 1) signal sent by alarm receiver to alarm panel over phone lines during a communication 2) signal sent by alarm receiver to PC over USB port or Serial port. Parity bit A redundant bit. Added to a record to allow alarm receiver to detect an odd number of bit errors in said record. Parallel port On MCDI alarm receivers, the printer port – DB25. Transmits the bits of a byte on eight different wires at the same time (eight bits at the same time). PCI Peripheral Component Interconnect. A 32-bit local bus, which is faster than ISA bus. Exprecium and Exprecium2 are of this type. Common in computers made since 2000. Peripheral Auxiliary equipment such as DECRYPTA2 attached to a PC. Pile Memory stack. Piling of events. Events are stacked in order in the memory, from the oldest to the latest. Usually, latest erases the oldest when memory is full PostgreSQL See PostgreSQL on Wiikipedia for complete description. Database management system used in SECURITHOR. Power Supplies Energy source for an electrical device. Can be AC powered through a standard wall socket, DC powered through batteries or solar panel. PPS Pulse per second. Signal sent by alarm panel. 10 pps, 20 pps, 40 pps indicates the frequency (or number) of pulses per second. PSTN Public system telephone network Pulse Type of communication. RAM Random Access Memory. Best known form is computer memory, refering to main memory available for programs. Any byte of memory can be accessed directly without touching the preceding bytes. Receiver Alarm receiver such a DECRYPTA2 external receivers or Exprecium cards for PC. Relay A power switching device that completes or interrupts a circuit by physically moving metalic plates into contact with each other. Used in DECRYPTA2 to trigger an external device such as strobe light, dialer, siren. Relay normally close When relay closes the circuit, an electrical impulsion is sent. In DECRYPTA2, will send an impulsion to a device connected to trigger said device. Relay normally open When relay opens the circuit, an electrical impulsion is sent. In DECRYPTA2, will send an impulsion to a device connected to trigger said device. RJ11 Type of connector. Terminology used to described phone line connectors. RJ45 Type of connector. And eight wire coonector used commonly to connect computer onto a local-area networks (LAN). Robofon FSK format used in Europe, mostly in Scandinavia. Reception of this format requires specific frequency tuning on MCDI equipment. RoHS RoHS directive by the CEE. Restriction on hazardous substances that bans use of lead and several substances from electronic manufacturing starting July 1st 2006. With some exceptions, no electronic component should enter European community if banned substances are contained. See MCDI SP D3, E3 and Extrium family for RoHS compliant alternatives. ROM Read-only memory. Memory used to store programs or to hold boot information.Content can be accessed and read but cannot be changed. RS-232 Interface protocol between a computer input output port and a peripheral such as DECRYPTA2 (DB9 connector). SAMM DOS software developed by MCDI Inc. for alarm monitoring and Central station management. Replaced by WinSAMM and SECURITHOR. SECURITHOR Monitoring software (automation software) created by MCDI Security Products for alarm monitoring and Central station management. Upward compatible wth SAMM and WinSAMM. Built with PostgreSQL engine for database. SERIEE French DTMF format developed by AEM. Requires specific programming of MCDI equipment. Sescoa SS Legacy alarm format. Rarely used. SIA Security Industry Association (mostly America). Acronym is also used to name a format designed under SIA guidance. Several levels of SIA are used. MCDI supports level 1 and 2 and part of level 3. S/N Serial number. Located on memory chip of MCDI receiver (starts by TLR 15, 16; TLR+ 20, 25,26,27; exprecium 50,51,52). Located at back of external receivers (starts by: SA-TLR+: 20, 25,26,2 ; RACK16 : 30; Decrypta 1: 27; DECRYPTA2: 002-52.). SMS Short Message Service. Alpha numeric messages sent over GSM networks. SQL See SQL on Wikipedia. Structured Query Language. Computer language for database management. Origins in 1969, several version exist such as MySQL, Microsoft SQL and PostgreSQL (used in SECURITHOR from MCD Security Produts) Surge Protector Device for protection of electronic equipment from damaging voltage levels sometimes occurring in electrical transients. Usually requires grounding to earth to provide meaningful protection. STRING Sometimes referred as an event. A chain of characters that amounts to an alarm signal. TCP/IP Transmission Control Protocol/Internet Protocol. Communications protocol commonly used over Ethernet networks or the Internet. Telim FSK Format used in Europe, mostly in Germany. Reception of this format requires specific frequency tuning on MCDI equipment. Transmitter Digital communicator – alarm panel – located at supervised location. SIM Subscriber Identity Module. SIM Card in a GSM phone. Contains phone identity, phone number and sometimes address book. Start bit First bit in a byte. Stop bit Last bit in a byte. SurGard formats Transmission formats from receiver to PC. Format designed by Surgard Company now a DSC division. Close to Radionics 6500 format. USB Universal serial port. USB type A Type of connectors used in USB host devices. USB type B Type of connectors used in USB client devices. Connector used in DECRYPTA2. USB client Typically a peripheral device such as DECRYPTA2 who will send data to a USB host. Will not accept signal from another USB client. Will transmit only to a USB host. USB host Typically a PC with USB capabilities. The host receives the signal from the client. USB hub Device used to connect several USB client devices to a USB host. Typically consistes of a single upstream port (to connect directly to computer or another hub( and multiple downstream ports. USB PID Product Ids (PIDS) assigned by MCDI. USB VID Vendor Ids (VIDs) are owned by the vendor company (MCDI) and are assigned and maintained by the USB-IF only. VCP Virtual com port. VFSK FSK type of communication. Developped by Varitech (Optex). VID Vendor ID. Number designating the vendor of the device. Virtual com port Software tool used to emulate a com port and route data from USB to a memory address equivalent to a serial port. Supplied with DECRYPTA2 . Voltage Unit of measure. The difference in electrical potential noted in volts. Energy potential of a source that can produce a flow of electricity. Wincom Software by MCDI. Communication tools for Windows compatible devices. WinSAMM Central station software developped by MCDI Inc.. Successor to SAMM software. WEEE CEE directive to recycled electronic components after End of like. All MCDI Security Products Inc. units manufactured after September 1st 2006 as RoHS units can be returned to MCDI Security Products for safe environnemental disposal. WSRECEIVER Software developed by MCDI. Key component of SAMM X (V 10.3) and WinSAMM. Necessary to add inputs in both Central Station software. Legal notice: FAQ information is written broad general terms and may not apply to some specific MCDI Security Products Inc. units, software version or commercial dealings. Information may be changed without prior notice and may be updated or rectified without prior notice. MCDI Security Products Inc. is not responsible for any interpretation of the FAQ information or any use or installation that MCDI Security Products Inc. did not approved specifically. Testing should always be performed prior to using a monitoring system or software. If you need more information, contact MCDI Security Products Inc. sales department at : mcdi@mcdi.com |
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