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 | |  KDXGFF8500/ KDXGFF8600  |  | | | Double Module RF-driven, high-performance laser pre-distortion correction ▲ KDXGFF-8300 (1310nm direct modulation, A type of laser) CNR ≥ 52dB, CTB ≤-67dB, CSO ≤-62dB
▲ KDXGFF-8600 (1550nm direct modulation, A category Laser) CNR ≥ 52dB, CTB ≤-67dB, CSO ≤-62dB (15Km fiber)
● automatic laser modulation (OMI) control, AGC & MGC
▲ work in AGC, and input level in 78dBμV ~ 88dBμV scope, can achieve the best
▲ good indicator of the work system in the MGC state, through the front panel ATT, can 75dBμV ~ 90dBμV adjusted.
● front panel 20 OMI dedicated status display (Modulation Depth), can be directly regulated and prompted laser system to normal or too low, too high.
▲ work in the AGC status, RF at rated input range, OMI would have been in a state of NOM.
▲ work on MGC state regulation of ATT, can easily OMI in NOM state.
● built-in dual-power backup, automatic switch.
▲ single power can work for another cold backup (recommended conventional should be shipped).
▲ can double the power of work at the same time, the other only for backup, such as the one in which the damage, then automatically switch to another. Switching time ≤ 10μS.
● Automatic temperature control chassis to ensure long-life laser work.
▲ chassis temperature monitoring by the microprocessor, the display case was a timely display of the actual operating temperature.
▲ When the temperature is higher than in the chassis settings (45 ℃), the latter two panels efficient axial flow fan will automatically open, forced cooling.
▲ When the temperature dropped to set the value (35 ℃), it will automatically shut down, extended fan life.
● dual RF inputs.
▲ AM interface input 59 Road, PAL-D (47-550MHz)
▲ Digital Interface (-10dB) digital video input (550-750MHz 详细介绍... | |
|  | | Kay Dexing optical workstation | | | | with reference to the United States SA, GI, ANTEC, C-COR, PHILIPS, such as the company's large four-port optical stations, the design and manufacture of the Company may be in line with international standards, can replace the imported equipment for the cable television network to the broadband integrated services network development to provide a platform for high-quality two-way transmission.Solve the two-way sharing of users increased bandwidth constraints, improve network quality of service, scalable four-port optical communications-based workstations, HFC broadband access network users the leading equipment. Widely used in optical fiber to the curb, fiber into the floor, fiber optic village. 详细介绍... | |
|  | | ultra-low power receiver | | | | GaAsHBT adopt international advanced integrated circuit technology, so optical receiver has a very low noise between the power.Receiver optical power in the same conditions, CNR than ordinary optical receiver to raise more than 5.0dB at least, in the receiving optical power Tatsu-6dB, the system's CNR CNR remained at more than 50dB, thus saving to send optical power. Especially in the receiver optical power lower, the effect is more significant.The use of high sensitivity composite optical collection module (has built low-noise preamplifier) or the election of high sensitivity optical resumption of gallium Jiakun tube preamp, receiver sensitivity up to-12dBm, typical application-9dBm, can receive the original -1 dBm node plus splitter, in several directions to the extension of a few kilometers without the need to increase the optical power. The use of ultra-low power receiver technology, can be relatively small investment to extend the length of optical transmission, as well as large-scale structure of the fiber-optic network to find a new approach. On the one hand, to send optical power saving, saving investment, on the other hand, the maintenance of the existing network infrastructure. 详细介绍... | |
|  | | 2/ 4 output indoor, outdoor optical receiver | | | | Features:
■ American EO, ORTOL, PHILIPS (optional) optical access devices.
■ plug-in (which can be reserved) light-emitting components return.
■ good impedance matching, low noise, PHILIPS, MOTOROLA front modules and two power modules to double output (up to Rd).
■ built-in equalizer, attenuator, optical power the size of the instructions, highly reliable switching power supply and strict anti-lightning system, easy to use, stable and reliable operation.
■ sub-indoor-type 19 "Ⅱ type, outdoor-type waterproof structure of the two.
suitable for large and medium-sized networks, can replace imported brand-name models. The series of products of high output level, enabling direct fiber-to-floor house with a back Chuan expansion capacity, and medium-sized cities are building modern HFC network optimization products 详细介绍... | |
|  | | Two-fiber input / RF input optical amplifier | | | | GaAsHBT adopt international advanced integrated circuit technology, so optical receiver has a very low noise between the power.Receiver optical power in the same conditions, CNR than ordinary optical receiver to raise more than 5.0dB at least, in the receiving optical power Tatsu-6dB, the system's CNR CNR remained at more than 50dB, thus saving to send optical power.Especially in the receiver optical power lower, the effect is more significant. The use of high sensitivity composite optical collection module (has built low-noise preamplifier) or the election of high sensitivity optical resumption of gallium Jiakun tube preamp, receiver sensitivity up to-12dBm, typical application-9dBm, can receive the original -1 dBm node plus splitter, in several directions to the extension of a few kilometers without the need to increase the optical power. The use of ultra-low power receiver technology, can be relatively small investment to extend the length of optical transmission, as well as large-scale structure of the fiber-optic network to find a new approach.On the one hand, to send power saving, saving investment, on the other hand, the maintenance of the existing network infrastructure. 详细介绍... | |
|  | | erbium-doped fiber amplifier | | | | erbium-doped fiber amplifier practical use, is the international community over the past decade the field of information photonics technology, a breakthrough achievement.It has led to the optical communication technology revolution, for cable high-quality, long-distance, large areas of transmission and coverage has brought a revolutionary progress and substantial reduction in the basic cost of the network.Kay Dexing KDXGEF-1500 fiber amplifier, using the world-famous companies mature 1550nm modular technology.Core component of the entire original by the United States to ensure that the product's high quality and high reliability for the long-distance cable, transmission and covered a large area to provide quality images, digital or compressed digital signal.Since the domestic production can be significantly reduced for the user network investment costs and improving after-sales service.Improve the reliability of the machines built-in optical power output stable circuit and laser-induced thermoelectric cold temperature stability control circuit, ensuring the whole the best performance and long-life laser stability.The machine equipped with microprocessors, the microprocessor software-pumped lasers to monitor the work of state, the working parameters by the number of panels (LCD) display.Once the laser operating parameters deviate from the permissible range set by software, micro-processing will automatically turn-off laser power, the red light flashes prompted alarm, digital panel prompted the cause of the malfunction.Local microprocessor software provides communication interface, after the panel set the industry standard RS-232 interface and 485 computer Internet I, for network management and the use of remote monitoring.The machine adopts the 19 "IRU-standard rack, built-in high-performance switching power supply, available at 85 ~ 254V voltage network in the work of the city. Kai Dexing's erbium-doped fiber amplifier primarily used with 1550nm optical transmitter with external modulation, transmission of analog or digital cable signals. different optical power output (14 ~ 26dBm) for network designers to make the most economical with limited planning. 详细介绍... | |
|  | | 1550nm KDX-HT8500 | | | | Beijing Kai Dexing GF8600 Series 1550 nm externally modulated optical transmitter, mainly used in ultra-Link Link Cable (≤ 120Km) and urban large-area multi-point distribution network, you can send high-quality low-cost analog CATV Map as signal and digital data signals.GF8600 series of externally modulated optical transmitter using the world-famous brands of low-noise, narrow linewidth, continuous-wave laser light source, using high linear LiNbO3 external modulator for signal modulation, eliminating the direct modulation 1550nm Optical Transmitter chirp effect.As a result of the distortion with independent intellectual property rights compensate for technology, control technology bias, SBS suppression system optimization technology and control technology, so that whole technical performance indicators fully meet the import of similar equipment standards, can replace imported equipment.The characteristics of system optimization technology, can also provide a good CSR, CTB, CSO and SBS indicators. 13,16,18 field adjustable SBS suppression, applicable to different applications.Laser system (OMI) mode AGC / MGC optional.7dB front panel to adjust the scope of the transfer system, the user can set the best indicators link. 20 unique LCD OMI modulation index.Laser output at dual port / single port optional.Chassis automatic temperature control, to extend the working life lasers. 详细介绍... | |
|  | | common type WDM optical transmitter | | | | Features * in the CATV and telephone applications launch PAL, NTSC, digital or compressed digital information.* Use of high linearity, optical isolation, the distribution of feedback, thermoelectric refrigeration DFB lasers.* In front of Paraserianthes working condition and diagnostic tests show that by the microprocessor-controlled.* RF input bandwidth 47-750M/860MHz, transmission of up to 59 channels PAL.* Built-RF driver amplifiers, only low-level input-driven. 详细介绍... | |
|  | | 1550nm externally modulated optical transmitter | | | | First, an overview: AM1550nm optical transmitter has a higher degree of technology, not the current domestic production, international has only a small number of companies can supply, Cade kdx-1550 optical transmitter through OEM manner by the world-famous JDS Uniphase U.S. cargo companies. More than the world famous company's 1550 light-emitting body produced by the company.In 1550nmEM CATV optical transmitter, DFB lasers to be used as light source.Xinhua RF AM-VSB signal is first converted to optical signals.Optical signal by optical fiber transmission, the optical receiver was once again converted to electrical RF signals, and then these signals need to be allocated to users.Characteristics (Features) * variable cooling fan * front panel LCD digital display * * microprocessor control and supervision of remote monitoring and control of the RS-485 interface * adjustable SBS threshold (13dBm, 16dBm, 18dBm) * optional AGC (Automatic Gain Control) or MGC (Manual Gain Control) * point-to-point and point-to-multipoint applications for the unique synchronization SBS / SPM suppression * receive low-level signal input (75dBμV/Channel @ 77 ch NTSC) * 45 ~ 870 MHz bandwidth with excellent distortion performance and low CNR patent RF predistortion circuit of the series were used Lucent patent Mach-Zehnder optical modulator technology, SBS superior technology, advanced digital circuits and microprocessor-driven control system, system performance may be adjustment in the best condition, with appropriate EDFA with CATV signals can be transmitted over 100KM Tatsu still maintain good signal quality.With dual optical output, can be effective for use in self-complex dual-fiber-optic loop network, the establishment of a reliable network system. 详细介绍... | |
|  | | 1310nm straight mode optical transmitter | | | | First, the characteristics of
☆ in CATV and telephone applications launch PAL, NTSC, digital or compressed digital information
☆ high linear, optical isolation, the distribution of feedback, thermoelectric refrigeration DFB lasers
☆ front panel display and the work of the state of diagnostic tests are
☆ by the microprocessor-controlled RF input bandwidth 47-750MHz, up to 59 PAL transmission channel
☆ contents RF driver amplifiers, only lower-level input-driven
☆ front panel RF input test points with industry-standard status
☆ monitoring interface the work of the series of products 1310nm wavelength respectively independent patent Predistortion mining processing technology, high-performance transmitter, beautiful models, excellent indicators, namely the construction of broadband HFC network preferred transmitter. 详细介绍... | |
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