Product Details

Specifications

1310nm forward optical transmitter
19 inches ,220V,860/1000MHz
AGC control switching
pre-distortion circuit
SNMP function

Summarize

TFT1000M series optical transmitter is specially designed for CATV optical fiber transmission system, used for the transmission of simulation electrical signals. It uses standard 19 inches frame installation, just needs AC 220V 50Hz power supply, the only input signal is the transmitted RF signal.

Features

adopt high quality high linear DFB laser module
unique pre-distortion correcting circuit, fully guarantee excellent link performance
excellent APC (automatic power control),ATC (automatic temperature control) function, ensure the stability of the laser output power and its long time work
high quality RF exciting circuit, lower RF exciting power requirements
high quality RF channel AGC control circuit, adapt to 72~82 dBuV (loaded 59 channels ) wide range of RF input signal
high quality inserted type switch power supply, voltage range is wide, support double power thermal back-up
perfect protection circuit (boot time delay, working parameters alarm, RF excited too high,too low shut off alarm)
perfect LCD display control and RJ45 network management condition monitoring interface, built-in network management unit, support SNMP network management, can be convenient to monitor by local computer
excellent thermal design to ensure the equipment long-term reliability

Diagram

Specifications

NO.	Item	Unit	Description	Remark
1	Operating Bandwidth	MHz	47~860/1000
2	RF Input Range	dBµV	72~82	loaded 59 channels
3	RF Test Point	dB	-20
4	RF Input Impedance	Ω	75
5	RF Input Return Loss	dB	≥16
6	Flatness	dB	± 0.75
7	Optical Wavelength	nm	1310 ± 20	Remark 1
8	Laser Type		DFB
9	Optical Connector Type		FC/APC or SC/APC
10	Optical return loss		>45.0 dB
11	CTB	dBc	≥65	Remark 2
12	CSO	dBc	≥60
13	CNR	dB	≥51
14	Operating Temperature	°C	0~ +50
15	Storage Temperature	°C	-25 ~+65
16	Dimension	mm	W×H×L 485×43×300
17	Weight	kg	4.5
18	Installation		19-inch standard rack

Remark 1: 1550nm wavelength optional is option, this loss value only aimed at 1310nm wavelength

Remark 2: C/N, CTB, CSO are all tested when meet the predict link(10 km above optical fiber). C/N is PAL-D within 550 MHz loaded 59 television channels; CTB, CSO value is the typical value when PLA-D loaded 59 channels in 550 MHz, the receiver's distortion contribution isn't counted.