Hangzhou Huatai Optic Tech. Co., Ltd.  

Product Name: Top-Class Itu Wavelength Adjustable CATV Optic Transmitter Model NO.: HT8500T Name: 1550nm Optical Transmitter Feature: Externally Modulated Operating Wavelength: Itu-Tg.692 Standard Wavelength Work Bandwidth: 47~862MHz Cnr: >/=54dB CTB: </=-65dB Cso: </=-65dB Sbs: 13~19dBm Certification: CE Approved: 3rd Part Certification Trademark: Guangtai Transport Package: 54x64x14cm Specification: 1u Origin: China Product Description HT8500T (47~1080MHz, CNR1≥ 54dB, SBS: 13~19 adjustable)1550nm Top-class ITU wavelength adjustable Externally Modulated Optical TransmitterProduct descriptionHT8500T is a series of 1550nm externally modulated optical transmitter achieving the highest standards of today. The EM optic transmitter can reach high index of back to back CNR ≥ 54dB, CTB ≤ -65dB, CSO ≤ -65dB, SBS: 13~19dBm continuous adjustable. The whole unit is equipped with perfect RS232 communication interface, SNMP network management, 1+1 back-up power supply, hot-plug function available, chassis temperature auto-control. All the optical port of EM optic transmitter can be installed in the front panel (The back panel is also available if needed).Huatai HT8500T, top type externally modulated optical transmitter with it's high index, high reliability and excellent cost performance, is applicable for the over-long trunk of large and middle CATV station head-end, WDM system and CFG dispersion compensation system.HT8527T: 2 fiber output, each port ≥ 7.0dBm, CNR ≥ 54.0dBSBS: 13~19dBmContinuously adjustableITU wavelength adjustable.HT8529T: 2 fiber output, each port ≥ 8.5dBm, CNR ≥ 54.0dBSBS: 13~19dBmContinuously adjustableITU wavelength adjustable.HT85210T: 2 fiber output, each port ≥ 10dBm, CNR ≥ 54.0dBSBS: 13~19dBmContinuously adjustableITU wavelength adjustable.HT85212T: 2 fiber output, each port ≥ 12dBm, CNR ≥ 54.0dBSBS: 13~19dBmContinuously adjustableITU wavelength adjustable.HT85213T: 2 fiber output, each port ≥ 13dBm, CNR ≥ 54.0dBSBS: 13~19dBmContinuously adjustableITU wavelength adjustable.Product features1. Externally modulated technology for HT8500T optical transmitter, no laser chirp, low dispersion distortion, high extinction ratio, with excellent characteristic within 40~862MHz, used in the over-long trunk of large and medium sized cable television head-end.2.1+1 powers supply back, up hot-plug function available.3. Narrow line width (Typ=0.3 MHz), low noise, and DFB continuous wave laser, be propitious to reduce dispersion effect.4. The work bandwidth for HT8500T optic transmitter is up to 47~1080MHz.5. CNR ≥ 54dB and excellent CTB, CSO index.6. SBS: 13~19dBm, continuous adjustable.7. ITU standard wavelength adjustable, users can adjust and set the wavelength on the front panel with ± 0.05nm stepping in the range of ± 200GHz (± 1.6nm), used in the network upgrading and expansion of WDM system.Main application1. Used in the over-long trunk and distribution net in the large and middle cable television central station head-end.A)Analogue digital hybrid transmission > 200Km (with dispersion compensation).B)Pure digital transmission (Without dispersion compensation) > 400Km,(With dispersion compensation) >700Km.2. VAS in DWDM fiber CATV system3. CFG dispersion compensates system.Application cases1.255Km PAL-D/56CH & 20CH Digital QAM Hybrid Transmission Application Cases2.587Km pure digital TV 1550nm overlength optical trunk application Cases3. FTTH application diagramPerformanceIndexSupplementOptic featureOperating wavelength(nm)ITU-TG.692 standard wavelengthWavelength ADJ. range(nm)±1.6±200GHzWavelength ADJ. mode±0.05nm steppingWavelength stability(Pm/ºC)-1~0Tc=20~70ºCLinewidth(MHz)Typ.=0.35FWHM(Δλ), (-3dB full width)Side mode suppression ratio(dB)≥45SMSREquivalent noise intensity(dB/Hz)≤-160RIN (20~1000MHz)Number of output port2Output power(dBm)2×10Optional 2×7, 2×9, 2×11Return loss(dB)≥50Optical fiber connectorSC/APCOptional FC/APC, LC/APCRF featureWork bandwidth(MHz)47-1000HT8500T-10047-1080HT8500T-108Input level(dBmV)18~28AGCFlatness(dB)≤±0.7547~1000MHz≤±1.51000~1080MHzReturn loss(dB)>16Input impedance(Ω)75RF connectorF-Femalelink featureTransmit channelPAL-D/60CHPAL-D/99CHCNR1(dB)≥54≥52.5Back to backCNR2(dB)≥52.5≥50.565Km optical fiber, 0dBm receiveCTB(dB)≤-65≤-65CSO(dB)≤-65≤-65SBS restrain(dBm)13~19AdjustableGeneral featureSNMP network management interfaceRJ45Communication interfaceRS232Power supply(VAC)90~265VAC50/60Hz(VDC)-4830~72Power Consume(W)≤50Single power worksOperating temp.(ºC)0~50Machine temp. control automaticallyStorage temp.(ºC)-40~85Operating relative humidity(%)5~95Size(")19×14.5×1.75(W)x(D)x(H)