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| Form Type: | SFP | Max Data Rate: | 1.25Mb/s |
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| Wavelength: | T1310/R1550nm &R1310/T1550nm | Interface: | LC Simplex |
| Optical Components: | DFB Laser | TX Power: | 0~5db |
| Receiver Sensitivity: | <-24dBm | ||
| High Light: | optical amplifier module,sfp optical transceiver |
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Huawei, Cisco ,Mikrotik SFP Transceiver Module 1310nm /1550nm 1.25G BIDI SFP 40KM LC Optic Transceiver
SFP BIDI-1.25G-1310/1550nm-40km-LC-DDM
SFP BIDI 1.25G 1310/1550nm(1550/1310nm) DDM 40KM Transceiver
PRODUCT DESCRIPTION
Sharetop's BIDI-1.25G-1310/1550nm-20km-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 1310nm FP laser (the 1550nm DFB laser) and the PIN photo-detector. The module data link up to 20KM 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
DFB laser transmitter for XYT-SFP-BX-D
Commercial: 0°C to +70°C
Extended: -10°C to +80°C
Industrial: -40°C to +85°C
APPLICATIONS
Specification of Transmitter
| Parameter | Symbol | Min. | Typ. | Max. | Unit | Note |
| Average Output Power | POUT | -9 | -3 | dBm | Note (1) | |
| Extinction Ratio | ER | 9 | dB | |||
| Center Wavelength | λC | 1290 | 1310 | 1330 | nm | XYT-SFP-BX-U |
| 1530 | 1550 | 1570 | XYT-SFP-BX-D | |||
| Spectrum Width (RMS) | σ | 3.5 | nm |
FP Laser (TX:1310nm) |
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| Side Mode Suppression Ratio | SMSR | 30 | dB |
DFB Laser (TX:1550nm) |
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| 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 IEEE802.3 z (class 1 laser safety) | Note (2) | ||||
Note (1): Measure at 2^7-1 NRZ PRBS pattern
Note (2): Transmitter eye mask definition
Specification of Receiver
| Parameter | Symbol | Min. | Typ. | Max. | Unit | Note |
| Input Optical Wavelength | λIN | 1530 | 1550 | 1570 | nm | XYT-SFP-BX-U |
| 1290 | 1310 | 1330 | XYT-SFP-BX-D | |||
| Receiver Sensitivity | PIN | -20 | dBm | Note (1) | ||
| Input Saturation Power (Overload) | PSAT | -3 | dBm | |||
| Los Of Signal Assert | PA | -35 | dBm | |||
| Los Of Signal De-assert | PD | -22 | dBm | Note (2) | ||
| LOS Hysteresis | PA-PD | 0.5 | 2 | 6 | dB |
Note (1): Measured with Light source 1550nm(1310nm), ER=9dB; BER =<10^-12 @PRBS=2^7-1 NRZ.
Note (2): When LOS de-asserted, the RX data+/- output is signal output.
Contact Person: Lydia Tang
