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DIPOL Weekly Review - TV and SAT TV, CCTV, WLAN
No. 17/2015 (April 27, 2015)
Charging phone within 60 seconds - possible soon! Researchers from Stanford University have developed a rechargeable battery that can be safely charged in a very short time. The battery is made of aluminum, which translates directly into a low cost of production. Important features of the battery are also a long service life (many charge cycles) and resistance to deformation.
For many years, there have been made attempts to construct aluminum batteries, but the main problem was a progressive decrease in the voltage along with the charging and discharging cycles. The key to the solution of the problem turned out to be the appropriate selection of the component materials. The anode has been made of aluminum, while the cathode of graphite with a special structure. The electrodes are immersed in an ionic liquid (stable and safe for the environment). Such construction ensures high level of safety and can be used in electric cars, on airplanes, as well as in portable electronics. The advantage is also a large number of charge-discharge cycles, seven times greater than in the case of lithium-ion batteries. However, the most impressive feature is the speed of the charging process. Such a battery installed in a phone could be fully charged just in 60 seconds!
The batteries are still in the development phase, the main tasks are to increase the output voltage (currently approx. 2 V) and the energy density, which is about two times smaller than of typical batteries. The lower energy density results in two times greater weight of the battery with the same capacity. But the drawbacks are outweighed by enormous advantages - super fast loading, safety of use, the number of charge and discharge cycles. If only the batteries are put into production, they will solve e.g. the problem of long charging of smartphones, usually needed every single day. The batteries can make revolutionary changes on the wearable electronics market, where the comfort and reliability of use are the ultimate concerns.
Compact headend TERRA S2C16 R81620. DIPOL has just introduced into its offer 16-channel DVB-C headend Terra S2C16 R81620. The 16-channel transmodulator with DVB-S/S2 (8PSK/QPSK) input and DVB-C (QAM) output is designed for transmodulation of FTA channels. Each of the 16 transmodulators of the S2C16 R81620 headend receives signals from a whole satellite transponder (several to over ten TV channels) and forms the corresponding DVB-C multiplex. In total, the headend can distribute 16 DVB-C multiplexes that can be received by televisions equipped with DVB-C tuners or connected via DVB-C STBs. The TV channels received from a transponder can be freely filtered - the only requirement is not to exceed the maximum output bit rate.
In practice, this means that a single, compact device can distribute about a hundred TV channels. Additionally, by using the "RF IN" input, the operator can include DVB-T channels available in the area. To receive the whole package, each subscriber must use a television equipped with DVB-T/DVB-C tuner.
Steel Satellite Dish: TRIAX 115 TD (dark gray)Universal QUATRO LNB: TRIAX TQT 006Universal QUATRO LNB: TRIAX TQT 006Steel Satellite Dish: TRIAX 115 TD (dark gray)Compact DVB-S/S2 to DVB-C Headend: Terra S2C16UHF TV Antenna: DIPOL 44/21-60 Tri Digit3-Way TV/FM Splitter R-3 Signal1-way TV / FM Tap O-1-16dB (5-1000MHz) Signal1-way TV / FM Tap O-1-16dB (5-1000MHz) Signal1-way TV / FM Tap O-1-16dB (5-1000MHz) Signal1-way Tap: Signal O-1-14dB (5-1000MHz)1-way Tap: Signal O-1-14dB (5-1000MHz)1-way Tap: Signal O-1-14dB (5-1000MHz)1-way Tap: Signal O-1-12dB (5-1000MHz)1-way Tap: Signal O-1-12dB (5-1000MHz)1-way Tap: Signal O-1-12dB (5-1000MHz)
The R81620 headend allows for reception of DVB-S/S2 signals from two satellite positions
(full band from one satellite and low band from the second satellite)
and DVB-T broadcasts, with televisions equipped with DVB-T/DVB-C tuners
The installer's dream: solid, fast, and cheap fiber splicing - EasySplicer. The method of joining optical fibers using an electric arc, usually referred to as "splicing", is the fastest and best one in terms of performance of the connection. Until recently, all devices using this method were out of reach of installers or small installation companies that deployed optic systems only from time to time. They had to use mechanical splices or pass on the job to another company. EasySplicer can also be recommend for technical schools, as a great educational tool in the process of developing professional skills in the field of fiber optic technology.
Fusion Splicer EasySplicer (with toolkit)
DIPOL offers now EasySplicer L5810 that, due to exceptional value for money, revolutionizes the segment of fusion splices. EasySplicer uses a proven method of laying fibers in V-grooves. The precise holders, which keep the previously prepared fibers, are designed in such a way that they eliminate the need of re-positioning of the fibers. The positioning of the fibers in the X-axis (the distance between the fiber ends before the welding process) is performed automatically. This way the device combines the proven positioning technique with ease of use and very attractive price in its category.
Fusion Splicer EasySplicer (with toolkit)
View of EasySplicer L5810
For orientation purposes, it may be assumed that the cost of buying EasySplicer returns after 100-150 splices (if they were outsourced to a third-party service provider) or after about 500 splices (if they were replaced by mechanical splices). In the latter case, one should take into account the working time of the installer - a series of splices performed with the fusion splicer takes considerably less time. The fully automated splicing of the properly prepared fibers takes only a few seconds. By maintaining the required technological discipline, the user gets identical quality of each splice. The display of the device shows the estimated loss of the splice (usually ca 0.01 dB for multimode fibers and ca 0.03 dB for single-mode fibers).
Fusion Splicer EasySplicer (with toolkit)
The offered set also includes fiber stripper (250 μm) and fiber cleaver.
To start the work, the installer additionally needs only fiber cleaning accessories,
e.g. the L5913 dust-free wipes and the L5915 IPA solvent cleaner.
The device supports an SD card up to 16 GB. The card (installed before switching on the splicer) automatically records information on the splices made (txt file). The information includes: date and time, face angles, offset, splice loss.
Control of motorized gate and electric door strike in the wicket. The wiring diagram of the system is shown below. The system is based on the GSM notification and control module ROPAM BasicGSM-PS G7042 and wireless control kit ROPAM RF-4-2K G7060. Such a system can be used where the access to the facility should be diversified depending on the time of the day. The example is a doctor's or dentist's office, a clinic etc. located in a family house or in a housing development. Through the use of timer in the control module, the installer or user can create logic, based on which, during working hours, eg. from 8:00 to 17:00, the signal from inputs I1 and I2 will be accepted, thus allowing patients get into the property. After 17:00 the signal from these inputs will be ignored and access to the facility will be possible only by using key fobs or intercom. In addition, the GSM module allows users to control its outputs and to check the status of inputs and outputs via mobile phones.
Metal Housing with Transformer: ROPAM O-R3GSM Antenna ROPAM AT-GSM-MINIGSM Notification and Control Module: ROPAM BasicGSM-PSWireless Control Kit ROPAM RF-4-2KRelay Module ROPAM RM85-12V-1PRechargeable Battery MWS 7.2-12 (12V, 7.2Ah)
The N01 output of the RF-4 wireless control module is connected with the the I1 input of the ROPAM BasicGSM-PS G7042 module, which allows for the control of the motorized gate by the TR-4 G7065 wireless key fob. The I2 and I3 inputs of the G7042 module are connected with buttons (monostable switches) used for local opening of the gate and wicket. The first ("left" - not marked) RM85-12V-1P G7055 relay module connected to the O2 output directly controls the gate drive unit, whereas the second relay module connected to the O3 output can release the electric door strike in the wicket (the circuit is powered from the M1882 rechargeable battery, continuously charged from the G7042 module). The connection of the relay terminals eliminates the possibility of simultaneous supplying voltage to the strike from two power sources (from the rechargeable battery and intercom). In the case of a power failure, the wicket can still be opened by the means of the control module and the rechargeable battery used as a backup power supply source.
Which UPS to choose? When choosing an uninterruptible power supply, it is important to take into account the output voltage waveform. Depending on the kind of a UPS, the waveform may be rectangular, simulated (approximated) sine wave, or pure sine wave. The waveform of the output voltage is important for the powered devices.
The waveforms of the output voltage generated by UPSes:
red - pure sine wave, blue - simulated sine wave, violet - square wave
Most devices can be powered by UPSes generating simulated sine wave like CyberPower DX850E N9720. Some devices (especially consuming higher power) are equipped with active PFC circuits which aim to improve the power factor. Such devices require the use of UPSes with pure sine wave, such as the CyberPower CP900EPFCLCD N9724.
An important feature of UPSes is AVR (Automatic Voltage Regulation). Its job is to lower (trim) or increase (boost) the AC line voltage. When, for example, the line voltage is too low, a UPS with AVR does not switches to battery mode, but it increases the output voltage to the rated value (in Europe to 230 VAC).
Configuration of RACK cabinets. Selecting accessories for a RACK cabinet, the user should pay attention to their compatibility with the specific model of the cabinet. Some accessories are dedicated only for concrete models of cabinets, due to the size or mounting method (e.g. fans, shelves).
DIPOL e-Store provides a simple tool for selecting appropriate compatible accessories. After choosing the RACK cabinet, e.g. R912018, the user should click on the "Add accessories" tab placed in the upper part of the column on the right .
The "Add accessories" button on the product page
The new window presents the list of compatible accessories:
A simple configuration tool for RACK cabinets
New products offered by DIPOL
Fusion Splicer EasySplicer (with toolkit)
Fusion Splicer EasySplicer (with toolkit) L5810 is a Swedish-made fusion splicer, designed for daily use in fiber optic installations. The device allows for quick and precise joining of optical fibers using electric arc. The splices are characterized by high durability and low loss. The splicing device is designed for use in all types of telecommunication installations, cable TV and CCTV systems, and is especially recommended for the installation of FTTH systems. A unique feature of the advanced device is a compact size.
GPRS/SMS Reporting Module SATEL GPRS-T4
GPRS/SMS Reporting Module SATEL GPRS-T4 G5014 is a device dedicated for use in intruder alarm systems for the purpose of reporting and messaging via the GSM networks. The main task of the module is the monitoring of the status of inputs. A change of the input status results in sending event codes to the monitoring stations or notifying selected telephone numbers by means of SMS message or CLIP service. This makes it possible to supervise operation of various devices, including alarm control panels without telephone communicator. The module inputs can be programmed as digital or analog ones. Thanks to analog inputs, the module can execute functions which are used in automation systems.
Compact DVB-S/S2 to DVB-C Headend: Terra S2C16
Compact DVB-S/S2 to DVB-C Headend Terra S2C16 R81620 is a 16-channel transmodulator with DVB-S/S2 (8PSK/QPSK) input and DVB-C (QAM) output. The device is designed for transmodulation of FTA channels. Each of the 16 transmodulators of the S2C16 R81620 headend receives signals from a whole satellite transponder (several to over ten TV channels) and forms the corresponding DVB-C multiplex. In total, the headend can distribute 16 DVB-C multiplexes that can be received by televisions equipped with DVB-C tuners or connected via DVB-C STBs. The TV channels received from a transponder can be freely filtered - the only requirement is not to exceed the maximum output bit rate.
April 15, 2015 - FULL HD analog CCTV. We invite you to watch a short video about HD-TVI Turbo HD solutions introduced by the world's CCTV leader, Hikvision company. High Definition Transport Video Interface (HD-TVI) is a revolutionary technology that allows users to send uncompressed, high-resolution video (up to 1080p) over coaxial or twisted-pair cables (using dedicated baluns). The transmitted video signal is in analog form, with bandwidth much greater than in the case of CVBS (SD). As the signal is not compressed, the picture is more natural during live viewing, there is no delay, and the configuration of such a system is easier compared to IP CCTV solutions.
HD-TVI Turbo HD cameras and DVRs are the perfect choice for those who think about upgrading their analog video monitoring system. With capabilities similar to IP CCTV systems, the HD-TVI solutions are a little cheaper, do not require the replacement of the cabling and complicated configuration.
Worth reading
HD-TVI systems - transmission of multiple signals over a single cable. HD-TVI systems - transmission of multiple signals over a single cable. Hikvision TURBO HD cameras and DVRs represent a new category of CCTV equipment on the market. The transmission medium is the typical 75 Ω coaxial cable. Despite the analog form of the HD video signal... >>>more
HD-TVI systems allow for sending additional signals over the video cable
TV-Sat Surge Protector: SIGNAL (F-plug/F-socket)
Signal surge protector - an ideal device for everyone who cares for their TV and satellite equipment
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