★Description 1550nm Direct Modulation Optical Transmitter
(DT-DMOT-1550-20KM) series DWDM wavelength QAM optical
transmitter is a high specification optical transmitter, which
adapts to cable digital television development. It can be used to
transmit cable digital television and data broadcast, DVB QAM
signal long distance fiber.This optical transmitter operation
wavelength complies with ITU-T G.692 standard. It can transmit more
than 40 wavelength channels with DWDM technology in one fiber at
the same time, and can input 64 QAM, 256 QAM, QPSK digital
modulation signals within bandwidth of 47~860 MHz.Input RF
power:80dBμV,Operation
bandwidth:47~862MHz,C/N:54dB,CSO:68dB,CTB:68dB,European standard
plugs or American standard plug is optional.★Features⊙19" 1U case,
easy to install. ⊙More than 40 wavelength choice, it can be
added data business at random easily. ⊙Reliaze low-cost
resolvent in DVB signal long-distance transmission, DVB city-county
union network. ⊙Low chatter, it can satisfy long distance or
short distance fiber transmission RF signal requirement at
most. ⊙47~860MHz operation bandwidth can provide usability of
flexibly configuring RF channels for subscriber.
★Application⊙Cable digital television, VOD, Internet, IP phone,
data broadcast.⊙Apply to standard 64 QAM, 256 QAM or QPSK digital
modulation signal transmission.★Specification
Items
Units
Specifications
RFInput RF powerdBμV80Operation
bandwidthMHz47~862Input impedanceΩ75Input RF return
lossdB≥16dB(47~550MHz)≥14dB(550~860MHz)Optical output
featureOperation opticalwavelengthnm1527.99~1561.42(ITU-T)Output
optical powermW6, 8, 10SBS suppression valueoptical
powerdBm17Optical output connector-SC/APC or FC/APCOptical link
featureC/NdB54 (Pr=-10dBm, L=0km)dB51 (Pr=-10dBm, L=100km)CSOdB68
(Pr=-10dBm, L=0km)dB65 (Pr=-10dBm, L=100km)CTBdB68 (Pr=-10dBm,
L=0km)dB65 (Pr=-10dBm, L=100km) /* January 22, 2024
19:08:37 */!function(){function s(e,r){var
a,o={};try{e&&e.split(",").forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1
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