data telephone and fire alarm circuits

... Standards 9.10 Figure 9.6 Telephone line bandwidth 9.11 Note Modem stands for modulator/demodulator 9.12 Figure 9.7 Modulation/demodulation 9.13 Figure 9.8 The V.32 and V.32bis constellation and ... discussed in this section: Bandwidth Sharing CM and CMTS Data Transmission Schemes: DOCSIS 9.30 Figure 9.16 Division of coaxial cable band by CATV 9.31 Note Downstream data are modulated using the ... Traditional telephone lines can carry frequencies between 300 and 3300 Hz, giving them a bandwidth of 3000 Hz All this range is used for transmitting voice, where a great deal of interference and distortion...

Ngày tải lên: 16/02/2014, 20:20

Ngày tải lên: 08/08/2012, 17:20

... Constraint để kiểm soát data chứa table có Foreign key (tức table con) thực chất kiểm soát data table chứa Primary key (tức table cha) Ví dụ ta delete data table cha data table trở nên "mồ côi" ... Constraint trường hợp: Insert hay Update: Nếu data insert vào vi phạm ràng buộc có sẵn (violate constraint) hay constraint ta muốn áp dụng cho data thời mà data insert Tiến hành trình replicate Nếu ... CHECK (Col2 BETWEEN AND 1000) ) Tương tự Foreign Key Constraint ta cần disable Check Constraint trường hợp Insert hay Update mà việc kiểm soát tính hợp lệ data không áp dụng cho data Trường hợp thứ...

Ngày tải lên: 25/08/2012, 09:00

... “Waterflow Alarm and “General Purpose” Device Type No – 120 seconds seconds FireNET 4127 I & O Manual v1.86 UL Section – Introduction The FireNET 4127 is an analog addressable fire alarm system ... 10 FireNET 4127 I & O Manual v1.86 UL 1.2A System Devices BOSCH The following boards, expanders and devices are available from BOSCH to be used with the FireNET 4127 analog addressable fire alarm ... FN-ENC-BC FireNET Enclosure Back-Can Only FN-PMP FireNET Panel Mounting Plate FN-KEY FireNET Enclosure Key Lock FN-PBS FireNET Panel Bonding Strap FN-PGB FireNET Panel Grounding Block FN-EOL FireNET...

Ngày tải lên: 16/11/2012, 10:19

... Environment • Subject = Customer • Data Warehouse Biến thời gian • Time • Data • 01/97 Data for January • • 02/97 Data for February • • 03/97 Data for March • • Data • Warehouse Ổn Định • Là lưu ... quan trong qui trình KDD Pattern Evaluation Data mining Task relevant data Data warehouse Data cleaning Knowledge Data integration selection Mục đích KTDL Data Mining Descriptive Predictive Classification ... Traditional Database • Data ware house • • • • • • • • Tích hợp Hiện hành – lịch sử Hướng chủ thể Bất biến Không chuẩn hóa Rõ ràng Tổng quát / chi tiết Người dùng : quản lý • Traditional Database...

Ngày tải lên: 18/01/2013, 16:15

... the study, the data collection method, instruments as well as process of data collection and data analysis IV Data analysis and discussion This focuses on presenting, analyzing and discussing ... to convey my deepest gratitude to my husband, my children, and my parents for their constant support and thorough understanding.Their great encouragement and love have helped me to overcome the ... only meets the demands of communication but also supports students’ needs as well 2.2 The role of attitudes in language learning Attitudes and learning go hand in hand Garder and Lamber (1972)...

Ngày tải lên: 12/04/2013, 16:19

... drive data gathering and experimental planning, and to structure the databases and data warehouses BK is used to properly select the data, choose the data mining strategies, improve the data mining ... prohibited Data, Information and Knowledge and communication technologies These new technologies are speeding an exchange and use of data, information and knowledge and are eliminating geographical and ... abundance of data in bioinformatics, in health care insurance and administration, and in the clinics, is forcing the emergence of clinical data warehouses and data banks The use of such data banks...

Ngày tải lên: 16/08/2013, 16:24

Ngày tải lên: 29/09/2013, 20:20

... hand and two text columns containing the nickname and notes about the hand 146 CHAPTER ■ DATA ACCESS AND NETWORKING ... /> < /data: DataGridTemplateColumn.CellTemplate> < /data: DataGridTemplateColumn>

Ngày tải lên: 05/10/2013, 03:20

... ObservableCollection GetHands() { 126 CHAPTER ■ DATA BINDING AND SILVERLIGHT LIST CONTROLS ObservableCollection hands = new ObservableCollection(); hands.Add( new StartingHands() ... DataGrid.Columns collection, as follows: < /data: DataGrid.Columns> < /data: DataGrid> Referring back to Figure ... the Card1 and Card2 properties from the data source Enter the following code:

Ngày tải lên: 05/10/2013, 03:20

... ECMAScript v3 standard, is not portable, and should be avoided When we discuss the object data type, you'll see that object properties and methods are used in the same way that string properties and methods ... this chapter 3.3 Boolean Values The number and string data types have a large or infinite number of possible values The boolean data type, on the other hand, has only two The two legal boolean values ... as true and false, it is sometimes convenient to think of them as on (true) and off (false) or yes (true) and no (false) Sometimes it is even useful to consider them equivalent to (true) and (false)...

Ngày tải lên: 05/10/2013, 12:20

... Constraint để kiểm soát data chứa table có Foreign key (tức table con) thực chất kiểm soát data table chứa Primary key (tức table cha) Ví dụ ta delete data table cha data table trở nên "mồ côi" ... Constraint trường hợp: • Insert hay Update: Nếu data insert vào vi phạm ràng buộc có sẵn (violate constraint) hay constraint ta muốn áp dụng cho data thời mà data insert • Tiến hành trình replicate Nếu ... CHECK (Col2 BETWEEN AND 1000) ) Tương tự Foreign Key Constraint ta cần disable Check Constraint trường hợp Insert hay Update mà việc kiểm soát tính hợp lệ data không áp dụng cho data Trường hợp thứ...

Ngày tải lên: 06/10/2013, 17:20

... stored C++ defines several types of data, and each type has unique characteristics Because data types differ, all variables must be declared prior to their use, and a variable declaration always ... stands for unsigned and the L for long (Both the U and the L must be used to specify an unsigned long.) Some examples are shown here: 12 C++ A Beginner’s Guide by Herbert Schildt Hexadecimal and ... its operand, C++ will perform the operation prior to obtaining the operand’s value for use by the rest of the expression If the operator follows its operand, then C++ will obtain the operand’s...

Ngày tải lên: 27/10/2013, 08:15

... Answer: 1:1 Husband and wife; taxi and driver; machine and operator; ship and dock M:1 Orders and items; auto and occupants; plane and passengers M:M Employees and skills; products and warehouses ... required for SQL command parsing D You should develop your own naming conventions and standards Overview of Data Modeling and Database Design 8Ć31 8Ć32 Introduction to Oracle: SQL and PL/SQL Using ... challenges through good database design, you improve the performance of your database Overview of Data Modeling and Database Design 8Ć5 8Ć6 Introduction to Oracle: SQL and PL/SQL Using Procedure...

Ngày tải lên: 10/12/2013, 17:15

... TD (pins and 14), TC (pins 24 and 23), RD (pins and 19), RC (pins 17 and 18), and XTC (pins 15 and 16) • Unbalanced indicators (referenced to pin 7) monitor RTS (pin 4), CTS (pin 5) and DCD (pin ... function on data communications circuits that DSX or bantam jackfields perform on T1 or analog telecommunications circuits • Indicate circuit health with alarms and LEDs + - - - 8 • - 0 - 6 - 1 Data ... industry standard for many reasons Users and vendors of EIA-232, V.35, EIA-422 and EIA-449 data communications equipment are migrating to EIA-530 to take advantage of the higher data rate and the...

Ngày tải lên: 10/12/2013, 17:15

... System .Data – Để truy cập xử lý CSDL, sử dụng namespace System .Data, System .Data. Common, System .Data. OleDb, System .Data. SqlClient, System .Data. SqlTypes – Các lớp System .Data: DataSet, DataTable, DataRow, ... data adapter – Tạo data set – Sử dụng phương thức Fill() data adapter Xây dựng cách thêm data table – Tạo DataSet – Tạo DataTable Khởi tạo data table cách thêm DataColumn Thêm dòng liệu vào data ... Add data table vào data set cách thêm vào thuộc tính Tables data set Data Access and Viewing with NET Editor: Đoàn Quang Minh Đoà 10 Working with DataSet – Example DataSet ds = new DataSet(); DataTable...

Ngày tải lên: 13/12/2013, 09:16

... "colmapDescription"); // Create the DataSet and fill DataSet ds = new DataSet( ); da.Fill(ds); // Retrieve and display the mapped name of the table as grid caption dataGrid.CaptionText = "TableName: ... the grid dataGrid.DataSource = ds.Tables["tblmapCategories"].DefaultView; Discussion When the Fill( ) method of the DataAdapter is used to fill a DataSet, the column names used in the DataSet ... in the data source to a DataTable with different name in the DataSet When a batch query is used to fill multiple tables within a DataSet, the table names default to Table, Table1, Table2, and so...

Ngày tải lên: 14/12/2013, 18:16

... dynamically generate and send to the user's browser an HTML-formatted page containing the latest news (probably extracted from a database) Server-side scripts can return data in both the XML and URL string ... Flash movie (as a projector or online), the data created while the movie was playing (user's name, last section visited, and so on) is saved This data can be retrieved the next time the user ... can store not only variables and their values, but any kind of data object, including arrays, XML objects—even custom objects You can make this process of saving data transparent to users, or...

Ngày tải lên: 14/12/2013, 22:15

... required for SQL command parsing D You should develop your own naming conventions and standards Overview of Data Modeling and Database Design 8Ć31 8Ć32 Introduction to Oracle: SQL and PL/SQL Using ... challenges through good database design, you improve the performance of your database Overview of Data Modeling and Database Design 8Ć5 8Ć6 Introduction to Oracle: SQL and PL/SQL Using Procedure ... foreign keys, and business rules to constraints Build and Document D Build the prototype system Write and execute the commands to create the tables and supporting objects for the database D Develop...

Ngày tải lên: 21/12/2013, 06:17

... N-dimensional Data structure Data structure Data Content Data Content Detailed and Detailed and Summarized Data Summarized Data Summarized Data Summarized Data Data Sources Data Sources Relational and ... to Data Warehousing and OLAP Data Warehouse System Components Topic Objective To present the components of a data warehouse system Data Warehouse Data Sources Staging Area Data Marts User Data ... relationships between relational data marts and OLAP cubes Relational Relational Data Mart Data Mart OLAP Cube OLAP Cube Data Storage Data Storage Relational Relational Data Structure Data Structure N-dimensional...

Ngày tải lên: 21/12/2013, 19:15