Transmission demystified training course description Transmission is the process of sending information along a medium of, copper, fibre or wireless. This course looks at transmission techniques for both telecommunications and data communications with a particular focus on Microwave, SDH, DWDM transmission. The course aims to demystify these technologies by explaining all the buzzwords used in transmission. What will you learn Describe various transmission technologies such as multiplexing and demultiplexing. Explain how Microwave works. Explain how SDH works. Explain how DWDM works. Transmission demystified training course details Who will benefit: Anyone working in telecommunications. Prerequisites: None. Duration 2 days Transmission demystified training course contents Transmission basics Systems, media, signals. Signal degradation, noise, distortion, attenuation. Digital, analogue. Modulation, encoding. RF Frequency, wavelength. Distance / range issues, interference, Antenna, power, dB, RF propagation, testing. Microwave transmission What is microwave transmission, point to point communications, line of sight, parabolic antenna, relays, planning considerations, rain and other issues Wired transmissions Copper, Fibre, optical transmission, fibre characteristics, fibre component parts. Multi Mode Fibre (MMF). Single Mode Fibre (SMF). Fibre connections. Lasers. Attenuations, dispersion, optical signal noise ratios (OSNR) and their effects. Channel Spacing and Signal Direction. Limiting factors to single wavelength. Introduction to SDH Timing and synchronisation of digital signals, the plesiochronous digital hierarchy (PDH), the synchronous digital hierarchy (SDH), service protection with SDH. TDM. SDH6 Standards, basic units, frames, STM1 frame, bit rates, STM0, STM1, STM4, STM16, STM64, STM256, SDH architecture, rings, Add drop multiplexors. SDH network topologies, structure of SDH equipment, SDH synchronisation, protection switching in SDH networks, SDH alarm structure, testing of SDH, equipment and systems, Ethernet over SDH. WDM overview Multiplexing, TDM, WDM benefits. WDM standards. CWDM vs. DWDM. Four Wave Mixing (FWM). Impact and countermeasures to FWM on WDM.tructure of SDH equipment, SDH synchronisation, protection switching in SDH networks, SDH alarm structure, testing of SDH, equipment and systems, Ethernet over SDH. DWDM ITU G.694.1, channel and spacing. Optical Terminal Multiplexers (OTM). Optical Add/Drop Multiplexers (OADM). Adding versus dropping. Optical Amplifiers. Erbium Doped Fibre Amplifiers (EDFA). Transponders and Combiners. Optical and Electrical Cross Connects (OXCs/DXCs). Cross Connect types (Transparent/Opaque). Advantages and disadvantages of various Optical cross connects. IP transmission Telecommunications versus data communications, IP transmission, VoIP, MPLS.
Essential optical transmission course description Transmission is the process of sending information along a medium of, copper, fibre or wireless. This course looks at transmission techniques for fibre networks. The course aims to demystify the technologies involved by explaining all the buzzwords used in optical transmission. What will you learn Describe various optical transmission technologies. Explain how SDH and OTN work. Explain how WDM, CWDM and DWDM work. Explain PON, GPON and GEPON. Essential optical transmission course details Who will benefit: Anyone working in telecommunications. Prerequisites: None. Duration 2 days Essential optical transmission course contents Transmission basics nsmission basics Systems, media, signals. Signal degradation, noise, distortion, attenuation. Digital, analogue. Modulation, encoding. Fibre transmission Fibre vs copper, optical transmission, fibre characteristics, fibre component parts. Multi Mode Fibre (MMF). Single Mode Fibre (SMF). Fibre connections. Lasers. Attenuations, dispersion, optical signal noise ratios (OSNR) and their effects. Channel Spacing and Signal Direction. Limiting factors to single wavelength. SDH Timing and synchronisation of digital signals, the plesiochronous digital hierarchy (PDH), the synchronous digital hierarchy (SDH), service protection with SDH. TDM. Standards, basic units, frames, STM1 frame, bit rates, STM0, STM1, STM4, STM16, STM64, STM256, SDH architecture, rings, Add drop multiplexors. SDH network topologies, structure of SDH equipment, SDH synchronisation, protection switching in SDH networks, SDH alarm structure, testing of SDH, equipment and systems, Ethernet over SDH. OTN G.709, OTN interface structure, Optical transport modules, ONNI, OCh, OUT, ODU, OPU. G.709 amendments. WDM overview Multiplexing, TDM, WDM benefits. WDM standards. CWDM vs. DWDM. Four Wave Mixing (FWM). Impact and countermeasures to FWM on WDM. DWDM ITU G.694.1, channel and spacing. Optical Terminal Multiplexers (OTM). Optical Add/Drop Multiplexers (OADM). Adding versus dropping. Optical Amplifiers. Erbium Doped Fibre Amplifiers (EDFA). Transponders and Combiners. Optical and Electrical Cross Connects (OXCs/DXCs). Cross Connect types (Transparent/Opaque). Advantages and disadvantages of various Optical cross connects. FTTx Fibre installation and air blown fibre, FTTH, FTTC, FTTN, FTTD, FFTH topologies and wavelengths, active or passive optical network. PON variants Gigabit passive optical network (GPON), Gigabit Ethernet passive optical network (GEPON), Time division PON (TDM-PON), XG-PON, Wave Division Multiplexing PON (WDM-PON), 1Gbps, 10Gbps, 40Ggps, 100Gbps FSAN (Full Service Access Network) NGA (Next Generation Access), Strategies for TDM-PON to WDM-PON migration, Architecture of NG-PON (hybrid WDM/TDM PON), Additional services than triple play.
MySQL Performance & Tuning training course description This MySQL Performance & Tuning course is designed for Database Administrators, Application Developers and Technical Consultants who need to monitor and tune the performance of MySQL servers and databases. The course provides practical experience in monitoring and tuning MySQL servers and databases. Note: This MySQL Performance & Tuning course does not cover clustering (other than at overview level), replication or non-standard storage engines such as Falcon and PBXT. What will you learn Develop a monitoring and tuning plan Use server configuration and status variables. Identify and improve problem queries. Make efficient use of indexes. Monitor and size memory caches and locks. Tune the MyISAM and InnoDB storage engine. Evaluate the use of partitioning for performance. MySQL Performance & Tuning training course details Who will benefit: Anyone who wishes to monitor and tune MySQL performance. Prerequisites: Delegates must have a working knowledge of MySQL Database Administration Duration 3 days MySQL Performance & Tuning training course contents Introduction to performance tuning Tuning overview, Resolving performance issues, Recommended approach to tuning, Items to evaluate, Where to look, Planning a monitoring routine, Building a new database for performance, Tuning an existing database, Setting suitable goals. MySQL performance tuning tools Administration tools, the information schema, performance-related SHOW commands, benchmarking tools, the MySQL performance schema, MonYog. Hands on Obtaining performance information. Schema design Normalisation, de-normalisation, naming conventions, load generation, stress testing and benchmarking tools, selecting data types, data types, character sets, choosing storage engines. Hands on effects of design on performance. Statement tuning Overview of statement tuning, identifying problem queries, the optimizer, explain, explain extended. Hands on identifying problem queries and using explain. Indexes Index overview, Types of index, Index tuning, Indexes and joins. Hands on Indexes and performance. Server configuration and monitoring Server configuration variables, server status variables, table cache, multi-threading, connection issues, query cache. Hands on setting and interpreting server variables and caching. Locking Types of locking, locking and storage engines, effects of locking on performance. Hands on locking and performance. The InnoDB engine Transactions, crash recovery, locking, monitoring InnoDB, caches and buffers, configuring data files, configuring the log files. Hands on InnoDB configuration and performance. Other storage engines MyISAM engine, merge engine, archive engine, memory engine, blackhole engine, CSV engine, the Spider engine, the ColumnStore engine, the MyRocks engine, mixing sorage engines. Hands on storage engine performance. Overview of clustering and performance Advantages of performance, advantages of clustering, performance issues and clustering, the NDBCluster engine, the Galera cluster, the Percona XtraDB cluster, MySQL InnoDB cluster, the federated engine, the federatedX engine, overview of other high availability techniques. NOSQL and Mencached overview. Dumping and loading data SQL statements versus delimited data, parameters affecting dump performance, parameters affecting load performance. Hands on dump and load performance. Partitioned tables Partitioned tables concepts, range partitioning, hash partitioning, key partitioning, list partitioning, composite partitioning or subpartitioning, partition pruning. Hands on partitioned table performance.
BYO materials, canvas, drinks from home and join us for a fun evening painting together and chatting with local artists and art enthusiasts. All is welcome w...
1 DAY T-SHIRT PRINTING WORKSHOP £75.00 The perfect introduction to t-shirt screen printing, our beginner workshop is ideal for anyone interested in learning the complete screen printing process or simply looking to print some t-shirts with their own design for a special occasion. The sessions will run from 10am – 4pm with a 1 hour break for lunch. The day will be split as follows: Morning After a short intro into the studio and the process you’ll guided through how to coat and expose your design onto your screen. Afternoon After lunch we’ll cover ink mixing and the process of setting up the t-shirt carousel ready for printing. When the screens are dry and colours are chosen everyone will have a go at printing their t-shirts. Outcome You will take away x5 White Cotton T-shirt printed with your 1 colour graphic all created by you! — To book please scroll through the calendar and click the available date (highlighted in green) that you’d like to attend. All materials are provided including white t-shirts ranging in size from S-XL, if you’d like to supply you own garments please check with us first to make sure that they’re suitable for screen printing. Terms and conditions apply. Cancellation Policy: Please notice that we can’t reschedule or refund a workshop if it is requested 10 or less days before the date of the workshop. We regret we will not be able to replace or rearrange missed sessions either or exchange the price of the workshop for a voucher or another product. Please do not ask us to make exceptions and please understand we cannot accommodate everyones diary changes and sudden change of circumstances.
1 DAY PAPER PRINTING WORKSHOP £75.00 The perfect introduction to paper screen printing, our beginner workshop is ideal for anyone interested in learning the complete screen printing process or simply looking to print an edition with their own design for a special occasion. The sessions will run from 10am – 4pm with a 1 hour break for lunch, a great opportunity to sample one of the many food kiosks located on levels 5 and 6 of the building. The day will be split as follows: Morning After a short intro into the studio and the process you’ll guided through how to coat and expose your design onto your screen. Afternoon After lunch we’ll cover ink mixing and the process of setting up the paper bed ready for printing. When the screens are dry everyone will have a go at printing. Outcome You will take away x10 A3 Prints all printed with your one colour design all created by you. — To book please scroll through the calendar and click the available date (highlighted in green) that you’d like to attend. All materials are provided including white 310gsm paper, if you’d like to supply you own paper please check with us first to make sure that it’s suitable for screen printing. Terms and conditions apply. Cancellation Policy: Please notice that we can’t reschedule or refund a workshop if it is requested 10 or less days before the date of the workshop. We regret we will not be able to replace or rearrange missed sessions either or exchange the price of the workshop for a voucher or another product. Please do not ask us to make exceptions and please understand we cannot accommodate everyones diary changes and sudden change of circumstances.
the stained glass summer class at rainbow glass studios August 7th - 11th 2023 is designed to teach all the traditional techniques needed to make a large stained glass panel. This class is for all abilities and is carried out in a well equipt studio in London.
Level 2 NVQ Certificate in Highways Maintenance - Kerbs and Channels
Dim Sum Masterclass. Cover all the fundamental techniques to become a Dim Sum Pro
BYO materials, canvas, drinks from home and join us for a fun evening painting together and chatting with local artists and art enthusiasts. All is welcome w...