25G DWDM 10KM SFP28
25G SFP28, DWDM, LR, 10KM
The laser-based 25Gigabit SFP28 Transceiver is designed to transmit and receive serial optical data over single-mode optical fiber with 10 Km.
They are compliant with SFF8431, SFF 8432. The transmitter converts serial CML electrical data into serial optical data. The receiver converts serial optical data into serial CML electrical data.
Overview
The laser-based 25Gigabit SFP28 Transceiver is designed to transmit and receive serial optical data over single-mode optical fiber with 10 Km.
They are compliant with SFF8431, SFF 8432. The transmitter converts serial CML electrical data into serial optical data. The receiver converts serial optical data into serial CML electrical data.
Features
Compliant to SFP28 MSA
All-metal housing for superior EMI performance
Operating data rate up to 25.78Gbps
High sensitivity Pin photodiode and TIA
LC duplex connector
Hot-pluggable 20pin connector
Low power consumption <2 W
0 to 70 operating wide temperature range
Single +3.3V±5% power supply
Digital Monitoring SFF 8472 Rev 10.2 compliant
Optical Characteristics
(TOP =0 to 70 °C,VCC = 3.14 to 3.46 Volts)
Parameter
|
Symbol
|
Min
|
Typ
|
Max
|
Note
|
Unit
|
Transmitter
|
|
|
|
|
|
|
Nominal Wavelength
|
λ
|
1528
|
|
1565
|
|
nm
|
Center wavelength Spacing
|
GHz
|
|
100
|
|
|
|
Optical Output Power
|
Pav
|
-3
|
|
5
|
|
dBm
|
Extinction Ratio
|
ER
|
4
|
|
|
|
dB
|
Average Launch Power of OFF Transmitter
|
POFF
|
|
|
-35
|
|
dBm
|
Relative Intensity Noise
|
RIN
|
|
|
-128
|
|
dB/Hz
|
Receiver
|
|
|
|
|
|
|
Center Wavelength
|
λC
|
1260
|
|
1620
|
|
nm
|
Receiver Sensitivity(OMA)
|
RSENSE
|
|
|
-11.3
|
1
|
dBm
|
Receiver Overload
|
Pmax
|
2.2
|
|
|
|
dBm
|
Optical Return Loss
|
|
|
|
-26
|
|
dB
|
LOS Assert
|
LOSA
|
-25
|
|
-13.6
|
|
dBm
|
LOS De-Assert LOS
|
LOSD
|
|
|
-11.3
|
|
dBm
|
LOS Hysteresis
|
|
0.5
|
|
|
|
dB
|
Note:
1. Measured at ER>4dBm, PRBS 231-1 and BER better than or equal to 5E-5;
Applications:
• 25G Ethernet
• CPRI Option 10