Product Description
TX-1550C series is a 1550nm CATV + satellite TV directly modulated optical transmitter, which uses
a high linear cooling DFB laser. It can transmit 47 ~ 862MHz analog & digital signals of CATV and
950 ~ 2410MHz satellite TV signals on one optical fibre. It provides a complete set of high-quality,
low-cost fibre-optic trunk transmission of satellite live television (DBS) and cable television (CATV)
for fibre-to-the-building (FTTB), fibre-to-the-Home (FTTH) Solutions.
Compatible with any FTTx PON technology, it can achieve integration of CATV + satellite TV (DVB-S2) +
Internet. use together with ClearView’s CATV EDFA or WDM EDFA for long-haul and large-area FTTH
triple play transmission.
It uses a 1U 19 "standard chassis. The working parameters of the device is controlled by a
microprocessor. The LCD on the front panel provides status display and fault diagnosis. The built-in
APC and ATC control circuits ensure laser long service life and highly reliable operation. Two
polarized RCM Certified power supply options for one satellite, which guarantees high-quality
transmission of CATV, Analogue TV, Digital TV (DBS-C, DBS-T) and Satellite TV signalsover optical fibre.
Product Features
◆ High linear cooling DFB laser suitable for Analog TV & SAT-IF applications.
◆ Wide bandwidth: 47 ~ 862 & 950 ~ 2410MHz working bandwidth, one fibre can transmit CATV &
SAT-IF signal at the same time.
◆ Transmit 1 to 2 satellite signals.
◆ The optical transmitter can provide the same satellite with two polarized power supply options either
with + 13VDC or + 18VDC.
◆ Intuitive: The laser is the most expensive components of the device. The built-in microprocessor in
the machine monitors the external modulator and laser's working status, and the working
parameters are displayed on the panel LCD.
◆ Standard Configuration output level 10dBm, Options 5, 7, 9dBm. Delivery 35 days from order
Technical Parameters
|
Items
|
Performance Index
|
Notes
|
|
Optical Index
|
Operating Wavelength (nm)
|
1548~1563
|
TX-1550C
|
|
Output Power (mW)
|
10
|
Options 5, 7, 9
|
|
Noise Equivalent Intensity (dB/Hz)
|
≤-160
|
RIN (47~862MHz)
|
|
≤-145
|
RIN (47~2410MHz)
|
|
Return Loss (dB)
|
≥50
|
|
|
Connector
|
SC/APC
|
FC/APC Optional
|
|
RF
|
Working Bandwidth (MHz)
|
47-862
|
|
|
Input Level (dBMV)
|
18~28
|
AGC(OMI=3%)
|
|
Flatness (dB)
|
≤±0.75
|
47~862MHz
|
|
RF Input Return Loss (dB)
|
>16
|
47~750MHz
|
|
RF Input Impedance (Ω)
|
75
|
|
|
Transmitting Channel
|
PAL-D/60CH
|
Comment 1
|
|
CNR1(dB)
|
≥52.5
|
Back to back
|
|
CNR2(dB)
|
≥50.5
|
50Km Fiber, 0dBm
|
|
CTB(dB)
|
≤-65
|
|
|
CSO(dB)
|
≤-65
|
|
|
HUM(dB)
|
≤-60
|
|
|
IF
|
Working Bandwidth (MHz)
|
960~2410
|
|
|
Input Level (dBMV)
|
5~15
|
AGC(OMI=1%)
|
|
Flatness (dB)
|
±1.5
|
960~2600MHZ
|
|
RF Input Return Loss (dB)
|
≥10
|
|
|
Transmitting Channel
|
36CH
|
Comment 2
|
|
CNR(dB)
|
≥27
|
Noise Bandwidth 27MHz
|
|
CTB(dB)
|
≤-36
|
|
|
CSO(dB)
|
≤-36
|
|
|
HUM(dB)
|
≤-60
|
|
|
General Parameter
|
Power Supply (VAC)
|
90~265VAC or 48VDC
|
Hot-pluggable Power Supply
|
|
Power Consumption(W)
|
≤50
|
|
|
Work Temperature (°C)
|
0~50
|
Automatic Mechanical Temperature Control
|
|
Dimensions
|
19 inch (1U)，435×260×45mm
|
Chassis
|
