1550nm External Optical TransmitterFWT-1550EH-2x7dBmCNR≥52dB,
SBS:13~19dBm adj1 The product overview1.1 The product
overviewFWT-1550EH-2x7 Externally Modulated Optical
Transmitter product is a new type of high-performance 1550nm
external modulation optical transmitter. The transmitter is the 1U
height and can be easily installed in a 19 "rack.
FWT-1550EH-2x7 transmitter is the 1550nm dual-wavelength
9dBm optical output, the output signal spectral lines is narrow,
more advantages in the long-distance transmission. The main
devices adopt DFB low-noise, narrow linewidth, continuous-wave
lasers with the thermoelectric cooling device made in JDSU CATV
high linearity external modulator. Because of the international
brand adoption of key components and our company system
optimization control technology, SNMP network control technology,
the machine's technical performance indicators fully measure up the
standard of similar imported equipment, It can provide high-quality
images, digital or compressed digital signal long-distance
transmission for cable television and telephone communications.1.2
The features 1.2.1) High
quality: original system optimization control technology and RF
pre-distortion technology ensure that the system can acquire the
maximum CTB, CSO, and SBS targets in the case of excellent
performance CNR. 1.2.2)
Flexibility: In ensuring the high-performance system CSO, the phase
modulation technology of external modulator maximizes the optical
power into the fiber in order to obtain long-distance transmission,
and the field adjustable SBS threshold, 13,16,19, may apply a
different network
transmission. 1.2.3)
Reliability: The 19 "1U standard rack, built-in high-performance
plug-in dual power supply, can work in the backup at 85 ∽
265Vac City Network Voltage, MS-level automatic switching; chassis
cooling automatic temperature control.
1.2.4) Intuitive: The laser is
the most expensive machine component, machine equipped with a
microprocessor monitors the working state of the laser, the panel
LCD window displays the operating parameters.
1.2.5) Network type: Select an
All-piece status monitoring transponder guarantee to meet the
national standard and be compatible with the SCTE HMS standard, it
enables network management monitoring
capabilities. 1.2.6) AGC / MGC,
auto setup2 The product structure diagram2.1 The Electrical block
diagram 2.2 The transmitter's front panel, back
panel diagram3 The main technical
indicatorsNo.ItemUnitsParameterNote1Laser type FITEL From:
JapaneseSee specifications2Wavelengthnm1550±10Specified before
ordering3Optical Modulation Externally ModulatedJDSU From
America4Optical output powerdBm2x7 5SBS
thresholddBm19 13~19 dBm adj6Optical
Connector SC/APC 7Frequency rangeMHz45~862
(1000)MHz 8CNRdB≥ 52dB @ link loss = 7 dB ; ≥ 51 @ link loss =
8 dB 9FlatnessdB±0.75GY/T143-2000 6.2.410RF input
leveldBuV75~85 11C/CTBdB≥65.0 12C/CSOdB≥65.0 13RF
input impedanceΩ75 14RF Input Return
LossdB>16(45~870)MHz 15Channel Loading-77 NTSC / 60 PAL
16VCC
V90~265Vac220V AC,
50/60Hz17Power
W≤50Single-supply
operation18Working TemperatureºC0~50Automatic temperature
control19Storage temperature ºC-20~85 20Working relative
humidity%20%~85% 21Size″19″×11″×1.75″(W)x(D)x(H)22Network
management interface RJ45Supporting the MIB table for
SNMP monitoring software and Web browserNote:1) In the
condition of stipulated link-loss, configuration 60 PAL-D
analog television channel signals within 550MHz frequency, in the
range of 550MHz ~ 870 MHz frequency transmit digital
modulation signals, digital modulation signal level ( in 8MHz
bandwidth) is 10dB lower than the analog signal carrier
level when the optical input power is 0dBm, you can measure
the carrier combination triple beat ratio (C / CTB), carrier
combination of second-order beat ratio (C / CSO) and the carrier to
noise ratio
2)Fiber:50KM+EDFA.-----------------------------------FAQ--------------------------------------------- 1.
What are your terms of payment?Usually, we can accept T/T, PayPal,
and Western Union. You can select the terms of payment which is
more convenient for you.2. What about the lead time?Usually, if
there is a stock of goods, we will deliver the goods within 3~5
workdays after we receive the payment.3. How about the
shipping?Usually, we will deliver the goods via International
Express like FedEx, DHL, TNT, and UPS, and so on. Door to door
delivery service will be provided.4. How can I place an
order?(1) Agreement is achieved on the product price and product
specifications.(2) We make a proforma invoice for your
confirmation.(3) When you agree on the proforma invoice, you make
the payment.(4) We deliver the goods after we receive your
payment.5. Can you do OEM for us?Yes. If there is a certain
order quantity, we can do OEM including printing, logo, and
customized model for you.6. What are the advantages of your
products?A. Good quality and competitive prices.B. Strict quality
control duri
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