D-net`s Optical Transceiver Module service
● Warranty Duration: As a trusted supplier in China, D-NET offers a reassuring three-year warranty for your purchase, ensuring long-term satisfaction.
● Compatibility Assurance: Leveraging D-NET's expertise, our optical modules are guaranteed to seamlessly integrate with equipment from leading manufacturers worldwide, backed by our robust compatibility services.
● Tailored to Your Needs in China: Recognizing the importance of customization, D-NET, a leading manufacturer with factories in China, offers OEM customization options. Furthermore, you can personalize your products with colored logo labels to meet your specific brand needs.
● Swift Delivery within China: Experience prompt service with a general delivery time of just 3 days, thanks to our efficient operations and strategic factory locations across China.
● Courier Excellence for Chinese Customers: Rely on our reliable and high-quality courier partnerships, including SF, FedEx, DHL, UPS, and other trusted providers, for comprehensive and efficient shipping solutions tailored to our valued customers in China.
Features
● HD-SDI SFP Transceiver: Available for high-definition signal transmission.
● SD-SDI SFP Transceiver: Available for standard-definition signal transmission.
● 3G-SDI SFP Transceiver: Available for 3G-SDI signal transmission.
● SMPTE 297-2006 Compliance: Ensures compatibility with industry standards.
● Metal Enclosure: Designed for reduced EMI (Electromagnetic Interference).
● Optical Components: Utilizes a 1310nm DFB laser and PIN photo detector for reliable optical performance.
● Video Pathological Patterns: Supports patterns for SD-SDI, HD-SDI, and 3G-SDI to facilitate testing and troubleshooting.
● SFP MSA & SFF-8472 Compliance: Adheres to standard specifications with a duplex LC receptacle.
● Digital Diagnostic Functions: Accessible via the I2C interface for monitoring and control.
● RoHS Compliance: Meets restrictions on hazardous substances.
● Power Supply: Operates on a +3.3V single power supply.
● Operating Temperature:
● Standard Range: 0 to +70°C
● Industrial Range: -40 to +85°C
Applications
● SMPTE 297-2006 Compatible Electrical-to-Optical Interfaces .
● HDTV/SDTV Service Interfaces.
Product Details
The D-NET SFP-3GS20-31 optical transceiver comprises three main components: a DFB laser transmitter, a PIN photodiode paired with a trans-impedance preamplifier (TIA), and an MCU control unit. These transceivers are fully compliant with the SFP Multi-Source Agreement (MSA) and SFF-8472 standards, and all modules adhere to class I laser safety specifications.
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Absolute Maximum Ratings
|
Parameter |
Symbol |
Min |
Max |
Unit |
|
Supply Voltage |
Vcc |
-0 .5 |
4 .5 |
V |
|
Storage Temperature |
Ts |
-40 |
+85 |
°C |
|
Operating Humidity |
- |
5 |
85 |
% |
Recommended Operating Conditions
|
Parameter |
Symbol |
Min |
Typical |
Max |
Unit |
|
|
Operating Case Temperature |
Standard |
Tc |
0 |
+70 |
°C |
|
|
Industrial |
-40 |
+85 |
°C |
|||
|
Power Supply Voltage |
Vcc |
3 . 13 |
3 .3 |
3 .47 |
V |
|
|
Power Supply Current |
Icc |
300 |
mA |
|||
|
Data Rate |
3 |
Gbps |
||||
Optical and Electrical Characteristics
DFB and PIN, 1310nm , 20km Reach
|
Parameter |
Symbol |
Min |
Typical |
Max |
Unit |
Notes |
|||
|
Transmitter |
|||||||||
|
Centre Wavelength |
λc |
1260 |
1310 |
1360 |
nm |
||||
|
Spectral Width (-20dB) |
σ |
1 |
nm |
||||||
|
Side Mode Suppression Ratio |
SMSR |
30 |
dB |
||||||
|
Average Output Power |
Pout |
-6 |
-2 |
0 |
dBm |
1 |
|||
|
Extinction Ratio |
ER |
9 |
10 |
dB |
|||||
|
Rise/Fall Time (20%~80%) |
SD-SDI |
tr/tf |
1500 |
ps |
2 |
||||
|
HD-SDI |
270 |
||||||||
|
3G-SDI |
135 |
||||||||
|
Total Output Jitter |
PRBS and colour bar |
SD-SDI |
70 |
200 |
ps |
||||
|
HD-SDI |
50 |
135 |
|||||||
|
3G-SDI |
70 |
100 |
|||||||
|
pathological |
SD-SDI |
200 |
|||||||
|
HD-SDI |
1 15 |
300 |
|||||||
|
3G-SDI |
120 |
||||||||
|
Data Input Swing Differential |
VIN |
400 |
1800 |
mV |
3 |
||||
|
Input Differential Impedance |
ZIN |
90 |
100 |
1 10 |
Ω |
||||
|
TX Disable |
Disable |
2.0 |
VCC |
V |
|||||
|
Enable |
0 |
0.8 |
V |
||||||
|
TX Fault |
Fault |
2.0 |
VCC |
V |
|||||
|
Normal |
0 |
0.8 |
V |
||||||
|
Receiver |
|||||||||
|
Centre Wavelength |
λc |
1260 |
1580 |
nm |
|||||
|
Receiver Sensitivity (PRBS) |
SD-SDI |
-25 |
dBm |
||||||
|
HD-SDI |
-23 |
dBm |
|||||||
|
3G-SDI |
-22 |
dBm |
|||||||
|
Receiver Sensitivity (Pathological) |
SD-SDI |
-25 |
dBm |
||||||
|
HD-SDI |
-23 |
dBm |
|||||||
|
3G-SDI |
-22 |
dBm |
|||||||
|
Receiver Overload |
0 |
dBm |
4 |
||||||
|
LOS De-Assert |
LOSD |
-22 |
dBm |
||||||
|
LOS Assert |
LOSA |
-29 |
dBm |
||||||
|
LOS Hysteresis |
1 |
4 |
dB |
||||||
|
Data Output Swing Differential |
Vout |
650 |
800 |
1000 |
mV |
3 |
|||
|
LOS |
High |
2.0 |
Vcc |
V |
|||||
|
Low |
0.8 |
V |
|||||||
Notes
1.The optical power is directed into a single-mode fiber (SMF).
2.The rise and fall times, measured between 20% and 80% levels, undergo assessment through a fourth-order Bessel-Thompson filter possessing a bandwidth of 0.75 times the clock frequency, which aligns with the serial data rate.
3.The PECL input is equipped with internal AC-coupling and termination.
4.It features internal AC-coupling.
Ordering Information
|
Part Number |
Description |
|
SFP-3GS20-31 |
3Gb/s Video SFP Optical Transceiver Hot Pluggable, Duplex LC, +3.3V, 1310nm,DFB-LD,20km Reach |
FAQ
1. What does 3G SDI mean?
3G-SDI is an SMPTE 424M specification designed for transmitting and receiving video signals, along with embedded audio, at a bitrate of 3 Gbps. It is predominantly utilized for the 1080p video format.
2. What is 3G SDI SFP used for?
D-net's 3G SDI SFP optical module is specifically engineered for transmitting high-definition video signals. Beyond accommodating distinct coding modes for video data streams versus telecommunications data, the SDI optical module necessitates passing a "pathological code test" specific to video standards.
3. What network type is SFP connector?
The SFP is an interface device designed to convert gigabit electrical signals into optical signals, supporting hot-swappable usage. It facilitates the connection between the motherboard of network equipment, including switches, routers, and others, with optical fiber or Ethernet cables.
