Telecomunication equipments 1550nm Optical Transmitter

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Overview

Quick Details

Place of Origin:: Guangdong, China (Mainland)

Brand Name:: CDATA

Model Number:: CT3155B

Type:: Optical Transmitter

color:: black

Optical Wavelength Range:: 1550±20 nm or ITU wavelength

DFB Laser Output Optical Power:: 10mW

Optical Return Loss:: ≥55dB

Laser DFB RIN:: RIN≤-155 dB/Hz

Optical Interface:: SC/APC

Modulation Mode:: AM ~ VSB

Voltage:: AC 220V Supply, DC -48V Supply

Dimension:: 430(L)*44(H)*300(W)mm

Supply Ability

Supply Ability:: 5000 Set/Sets per Month

Packaging & Delivery

Packaging Details: 5 days upon payment.

Port: Shenzhen

Lead Time :: Shipped in 5 days after payment

Telecomunication equipments 1550nm Optical Transmitter

Company Information

Product Description

CT3155B Directly Modulated Optical Transmitter is specially designed for Overlay slot system. It has the ability of supporting up to 32 IPQAM frequency point spots. As the first company to introduce Overlay frequency point spot system, C-Data optimizes performance and structure of spot transmitter by large number of project experience and system debugging experience, focusing application of spot system. And finally, we greatly increase performance of spot system.

Unique electric-control optical attenuation function guarantees optical difference of spot system can be automatically controlled as it is set by automatically controlling spot optical signal based on broadcast signal value after setting optical difference of spot system. This function can realize automatic adjustment in the whole course of spot system. So this design is humanized and easy to operate.

Meanwhile, special AGC circuit with electric-control attenuator as core can realize automatic control of modulation and flexible control of drive level value. And it can guarantee stability of electrical level after system debugging, and greatly simplify project debugging.

Functional Features

Optimized integrated design of pre-distortion, amplifier and laser
Integrated electrical control of Overlay spot function, can be spot debugging set by LDC or NM control
Innovative operation function of AGC and MGC, working separately at the same time, make the product easy to use and improves the applicability of the system.
AGC has a function which can be set to “ON” or “OFF”.
Spot machine with Overlay has the function of automatic shutting down spot when main line power is low.
New-type and stable laser bias and temperature control
ITU wavelength DFB laser
Bandwidth can be up to 1GHz
By adopting low-consumption design, complete machine power consumption < 10W, reliability of equipment is greatly increased.
Double-power, hot-plug, balance load operation, light power load, seamless switching when it fails, greatly increase life time.
By equipped SNMP network management function, it has the function of remote network management and local monitoring.
LCD operation status: optical power, bias current, laser temperature, refrigeration current and spot setting status, etc.

Specification

Optical Performance Index	Unit	Index	Remark
Optical Wavelength Range	nm	1550±20 or ITU wavelength
DFB Laser Output Optical Power	mW	10
Optical Return Loss	dB	≥55
Laser DFB RIN	dB/Hz	RIN≤-155
Main Broadcasting Input Optical Power	dBm	0~+16	DWDM Multiplexer
Main Broadcasting Input Optical Power	dBm	0~+8	DWDM Multiplexer
Main & Side Optical Power Difference Setting Range	dB	0 ~ 8
Main Input Low-limit Setting Range	dB	+5 ~ -5	Shut down laser when main is lower than this value
Optical Interface	-	SC/APC
Electrical Performance Index
Modulation Mode	-	AM ~ VSB
Frequency Range	MHz	47 ~ 1000
Flatness of Frequency Response	dB	0.75
RF Drive Level	dBµV	75~85
AGC Stability	dB	0.4
MGC Modulation Level	dB	7.0
MGC Modulation Step Length	dB	0.1
Input Impedance	Ω	75
Input Return Loss	dB	≥16
Non-linear Index
Broadcasting index¹
CNR	dB	≥51
CSO	dBc	≥52
CTB	dBc	≥58
Broadcasting Digital Index²
MER	dB	≥36
Spot Analog Transmission³
CNR	dB	≥54
IMD2	dBc	≥58	Second-order Distortion,
IMD3	dBc	≥58	Third-order Distortion,
Spot Digital Transmission⁴
MER	dB	≥36
Mechanical Parameter
Dimension	mm	430(L)×44(H)×300(W)
Other Parameter
Voltage	V	AC90V~264V/50Hz	AC 220V Supply
Voltage	V	DC -36~ -75V	DC -48V Supply
Power	W	<10
Operating Temperature	º C	-10~+55
Storage Temperature	º C	-20~+85
Operating Humidity	-	0~90% No Condensation
Storage Humidity	-	0~95% No Condensation

Note:

59 PAL-D (47~550MHz) analog carrier transmitter, OMI=3%, 10KM fiber, 1-10 km test, 0dBm receive
59 QAM (47~550MHz) analog carrier transmitter, OMI=3%, 10KM fiber, 1-10 km test, 0dBm receive
Target on broadband overlay , 8 PAL-D(47~550MHz) analog carriers load transmitter, OMI=12%( same as broadcast OMI is 3%, Overlay power is 6dB lower than broadcast), 10KM fiber, -6dBm receive
Target on broadband overlay, 32 QAM( 550~1000MHz) digital carriers load transmitter, OMI=12% ( Broadcast keeps 6 analog, the digital channels OMI is 3% , overlay power is 6dB lower than broadcast), 10KM fiber, -6dBm receive, target on narrowband overlay, 16 QAM(550~1000MHz) can be loaded.

Order Information

Product Name	Product Model	Descriptions
1550nm Directly Modulated Optical Transmitter	CT3155B-10-W0-34-SA-0-3-01	SNMP network management, 1550nm optical wavelength range , Optical power 10mW, Broadcast mode, SC/APC interface, double powers 220V/AC,suitable for 25 km range transmission