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| Product Name: | CWDM SFP Module | Distance: | 40Km |
|---|---|---|---|
| Rate: | 2.5g | Connector: | LC |
| DDM: | With |
2.5G SFP Transceiver Module 80km CWDM SFP Mikrotik Compatible Fiber Optic SFP Module
SFP-2.5G-CWDM-40km-LC-DDM
2.5Gb/s CWDM Single-mode SFP Transceiver
PRODUCT DESCRIPTION
SFP-2.5G-CWDM-40km-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 XXnm DFB laser and the PIN photo-detector .The module data link up to 40KM 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.
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PRODUCT FEATURES
APPLICATIONS
PRODUCT SELECTION
SFP-2.5G-CWDM-40km-LC-DDM
| Wavelength | xx | Clasp Color Code | Wavelength | xx | Clasp Color Code |
| 1270 nm | 27 | Gray | 1450 nm | 45 | Brown |
| 1290 nm | 29 | Gray | 1470 nm | 47 | Gray |
| 1310 nm | 31 | Gray | 1490 nm | 49 | Purple |
| 1330 nm | 33 | Purple | 1510 nm | 51 | Blue |
| 1350 nm | 35 | Blue | 1530 nm | 53 | Green |
| 1370 nm | 37 | Green | 1550 nm | 55 | Yellow |
| 1390 nm | 39 | Yellow | 1570 nm | 57 | Orange |
| 1410 nm | 41 | Orange | 1590 nm | 59 | Red |
| 1430 nm | 43 | Red | 1610 nm | 61 | Brown |
Specification of Transmitter
| Parameter | Symbol | Min. | Typ. | Max. | Unit | Note |
| Average Output Power | POUT | -2 | 3 | dBm | Note (1) | |
| Extinction Ratio | ER | 8.2 | dB | |||
| Center Wavelength | λC | (1XX0)-∆λ | 1XX0 | (1XX0)+∆λ | nm |
DFB Laser |
| Side Mode Suppression Ratio | SMSR | 30 | dB | |||
| Spectrum Bandwidth(-20dB) | σ | 1 | nm | |||
| Transmitter OFF Output Power | POff | -45 | dBm | |||
| Differential Line Input Impedance | RIN | 90 | 100 | 110 | Ohm | |
| Output Eye Mask | Compliant with G.957 (class 1 laser safety) | Note (3) | ||||
Note (1): Measure at 2^23-1 NRZ PRBS pattern
Note (2): “XX” is: 27,29,31,33,35,37,39,41,43,45,47,49,51,53,55,57,59 and 61; “∆λ” is 7.5
Note (3): Transmitter eye mask definition
Specification of Receiver
| Parameter | Symbol | Min. | Typ. | Max. | Unit | Note |
| Input Optical Wavelength | λIN | 1270 | 1610 | nm |
PIN-TIA |
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| Receiver Sensitivity | PIN | -19 | dBm | Note (1) | ||
| Input Saturation Power (Overload) | PSAT | 0 | dBm | |||
| Los Of Signal Assert | PA | -20 | dBm | |||
| Los Of Signal De-assert | PD | -35 | dBm | Note (2) | ||
| LOS Hysteresis | PA-PD | 0.5 | 2 | 6 | dB |
Note (1): Measured with Light source 1XX0 nm, ER=8.2dB; BER =<10^-12 @PRBS=2^23-1 NRZ , “XX” is: 27,29,31,33,35,37,39,41,43,45,47,49,51,53,55,57,59 and 61.
Note (2):When LOS de-asserted, the RX data+/- output is High-level (fixed)
Contact Person: Lydia Tang
