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- Products description -
SFP-2.5G-CWDM-80km-LC-DDM Small Form Factor Pluggable (SFP) transceivers are compatible with the Small Form Factor Pluggable Multi-Sourcing Agreement (MSA). The transceiver consists of five sections : the LD driver, the limiting amplifier , the digital diagnostic monitor, the DFB laser and the PIN photo-detector .The module data link up to 80KM in 9/125um single mode fiber.
The optical output can be disabled by a TTL logic high-level input of Tx Disable, and the system also can disable the module via I2C. Tx Fault is provided to indicate that degradation of the laser. Loss of signal (LOS) output is provided to indicate the loss of an input optical signal of receiver or the link status with partner. The system can also get the LOS (or Link)/Disable/Fault information via I2C register access.
- Product Features -
Up to 2.5Gb/s data links
DFB laser transmitter and PIN photo-detector
Up to 80km on 9/125µm SMF
Hot-pluggable SFP footprint
Duplex LC/UPC type pluggable optical interface
Low power dissipation
Metal enclosure, for lower EMI
RoHS compliant and lead-free
Single +3.3V power supply
Compliant with SFF-8472
Case operating temperature0°C to +70°C
- Product Specification -
Switch to Switch Interface
Fast Ethernet
Switched Backplane Applications
Router/Server Interface
Other Optical Links
Table 1-Optical and Electrical Characteristics
Parameter | Symbol | Min | Typical | Max | Unit | Notes | ||
Transmitter | ||||||||
Centre Wavelength | λc | 1260 | 1310 | 1360 | nm | |||
Spectral Width(RMS) | ?λ | 4 | nm | |||||
Average Output Power | Pout | -9 | -3 | dBm | 1 | |||
Extinction Ratio | ER | 9 | dB | |||||
Optical Rise/Fall Time(20%~80%) | tr/tf | 0.26 | ns | |||||
Data Input Swing Differential | VIN | 400 | 1800 | mV | 2 | |||
Input Differential Impedance | ZIN | 90 | 100 | 110 | Ω | |||
TX Disable | Disable | 2 | Vcc | V | ||||
Enable | 0 | 0.8 | V | |||||
TX Fault | Fault | 2 | Vcc | V | ||||
Normal | 0 | 0.8 | V | |||||
Receiver | ||||||||
Centre Wavelength | λc | 1260 | 1580 | nm | ||||
Receiver Sensitivity | -23 | dBm | 3 | |||||
Receiver Overload | -3 | dBm | 3 | |||||
LOS De-Assert | LOSD | -24 | dBm | |||||
LOS Assert | LOSA | -35 | dBm | |||||
LOS Hysteresis | 1 | 4 | dB | |||||
Data Output Swing Differential | Vout | 400 | 1800 | mV | 4 | |||
LOS | High | 2 | Vcc | V | ||||
Low | 0.8 | V | ||||||
NOTE:
1.The optical power is launched into SMF.
2.PECL input,internally AC-coupled and terminated.
3.Measured with a PRBS 27-1 test pattern@1250Mbps,BER ≤1×10-12.
4.Internally AC-coupled.
PRODUCT SELECTION
SFP-2.5G-CWDM-80km-LC-DDM
Type
| Rate | Wavelength | Transmission Distance | Transmitter power | Receiver sensitivity | Interface | Operating temperature |
cwdm sfp | 2.5G | **nm | 80KM | 0~5 | ≤-30 | LC | 0-70℃ |
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Products damaged due to human or non-use of other causes of improper,we promises one year warranty and lifetime maintenance,but the unauthorized disassembly equipment caused damage is not covered under warranty and returned within range. |
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Under normal use,if there are product quality problems,or not work normally,we provide free repair or replacement service within one year;Within three years more than one year,we provide to collect the material cost,maintenance free. Repair warranty period of three years from the freight borne by each of the parties.After three years of warranty,the material cost,maintenance,freight(refers to the product of the two-way shipping to and from)shall be borne by the user. |
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We promise that the product we provide can meet the performance requirements of users , and it is supplied by the user's sample request. |
