Gigabit Ethernet SFP 20KM Optical Transceiver Module 1.25Gbps TX1310nm RX1550nm
PRODUCT DESCRIPTION
The transmitter section uses a multiple quantum well laser and is a class 1 laser compliant according to International Safety Standard IEC-60825. The receiver section uses an integrated InGaAs detector preamplifier (IDP) mounted in an optical header and a limiting post-amplifier IC.
1.25Gbps SFP BIDI 20KM Optical Transceiver Module is small form factor pluggable module for bi-directional serial optical data communications such as STM-8, OC-24,Fiber Channel, It is SFP 20-pin connector to allow hot plug capability. This module is designed for single mode fiber and operates at a nominal wavelength of 1310nm.
This module is designed to be compliant with SFF-8472 SFP Multi-source Agreement (MSA)
Applications:
Gigabit Ethernet
WDM Gigabit Ethernet Links
Xdsl Applications
Metro Edge Switching
PRODUCT FEATURES
Single 3. 3V Power supply
Simplex LC Connector Interface
Hot Pluggable,Metal enclosure, for Lower EMI
DDM function optional
Low power consumption, < 1W
Operating Case Temperature:Standard: 0℃~+70℃
Compliant with MSA SFP Specification
Digital Diagnostic Monitor Function Compatible with SFF-8472
Operating data rate up to 1.25/1.063Gbps
Tx1310/Rx1550, 1310nm FP Laser, 1550nm PIN-TIA
Distance up to 20KM
2 years warranty
Specification of Transmitter
Parameter | Symbol | Min. | Typ. | Max. | Unit | Note |
Average Output Power | POUT | -9 | -3 | dBm | Note (1) | |
Extinction Ratio | ER | 8.2 | dB | |||
Center Wavelength | λC | 1260 | 1310 | 1360 | nm | FP Laser |
Spectrum Bandwidth(-20dB) | σ | 4 | nm | |||
Differential Line Input Impedance | RIN | 90 | 100 | 110 | Ohm | |
Output Eye Mask | Compliant with G.959(class 1 laser safety) | Note (2) |
Note (1): Measure at 2^23-1 NRZ PRBS pattern
Note (2): Transmitter eye mask definition
Specification of Receiver
Parameter | Symbol | Min. | Typ. | Max. | Unit | Note |
Input Optical Wavelength | λIN | 1500 | 1550 | 1580 | nm | |
Receiver Sensitivity | PIN | -24 | dBm | Note (1) | ||
Los Of Signal Assert | PA | -35 | dBm | |||
Los Of Signal De-assert | PD | -28 | dBm | Note (2) | ||
LOS Hysteresis | PA-PD | 0.5 | 2 | 6 | dB | |
Receiver Overload | Pmax -PIN | -3 | dBm |
Note (1): Measured with Light source 1550nm, ER=8.2dB; BER =<10^-12 @PRBS=2^23-1 NRZ
Note (2): When LOS de-asserted, the RX data+/- output is High-level (fixed)
10pcs