Product Details
D-net's 25G DWDM C21 10KM transceiver module incorporates a highly integrated optical sub-assembly that comprises a DWDM EML laser, an MCU control unit, and a preamplifier. The 25G SFP28 DWDM 10KM module is specifically designed for use with single-mode fiber and operates at a nominal wavelength within the 100 GHz ITU grid, utilizing a C-band DWDM wavelength. It is widely utilized in 25G Ethernet and CPRI 10 applications.
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|
Parameter |
Symbol |
Min |
Max |
Unit |
|
Supply Voltage |
Vcc |
-0.5 |
4.5 |
V |
|
Storage Temperature |
Ts |
-40 |
+85 |
°C |
|
Operating Humidity |
- |
5 |
85 |
% |
Absolute Maximum Ratings
|
Parameter |
Symbol |
Min |
Max |
Unit |
|
Supply Voltage |
Vcc |
-0.5 |
4.5 |
V |
|
Storage Temperature |
Ts |
-40 |
+85 |
°C |
|
Operating Humidity |
- |
5 |
85 |
% |
Recommended Operating Conditions
|
Parameter |
Symbol |
Min |
Typical |
Max |
Unit |
|
Operating Case Temperature |
Tc |
0 |
+70 |
°C |
|
|
Power Supply Voltage |
Vcc |
3.135 |
3.30 |
3.465 |
V |
|
Power Supply Current |
Icc |
700 |
mA |
||
|
Data Rate |
25.78 |
Gbps |
Optical and Electrical Characteristics
|
Parameter |
Symbol |
Min |
Typical |
Max |
Unit |
Notes |
||
|
Transmitter |
||||||||
|
Centre Wavelength |
λc |
1528.77 |
1563.05 |
nm |
||||
|
Spectral Width(-20dB) |
Δλ |
1 |
nm |
|||||
|
Side-Mode Suppression Ratio |
SMSR |
30 |
- |
dB |
||||
|
Average Output Power |
Pout |
-1 |
+6 |
dBm |
1 |
|||
|
Extinction Ratio |
ER |
6 |
dB |
|||||
|
Data Input Swing Differential |
VIN |
180 |
850 |
mV |
2 |
|||
|
Input Differential Impedance |
ZIN |
90 |
100 |
110 |
Ω |
|||
|
TX Disable |
Disable |
2.0 |
Vcc |
V |
||||
|
Enable |
0 |
0.8 |
V |
|||||
|
TX Fault |
Fault |
2.0 |
Vcc |
V |
||||
|
Normal |
0 |
0.8 |
V |
|||||
|
Receiver |
||||||||
|
Centre Wavelength |
λc |
1510 |
1570 |
nm |
||||
|
Receiver Sensitivity |
-15 |
dBm |
3 |
|||||
|
Receiver Overload |
2 |
dBm |
3 |
|||||
|
LOS De-Assert |
LOSD |
-16 |
dBm |
|||||
|
LOS Assert |
LOSA |
-35 |
dBm |
|||||
|
LOS Hysteresis |
0.5 |
dB |
||||||
|
Data Output Swing Differential |
Vout |
300 |
900 |
mV |
4 |
|||
|
LOS |
High |
2.0 |
Vcc |
V |
||||
|
Low |
0.8 |
V |
||||||
Notes:
1. The optical power is launched into SMF.
2. PECL input, internally AC-coupled and terminated.
3. Measured with a PRBS 231-1 test pattern @25.78Gbps, BER ≤5E-5.
4. Internally AC-coupled.
Ordering Information
|
Part Number |
Description |
|
SFP28-25GD10-C21 |
25.78Gbps 25G DWDM C21 10KM transceiver module, 10km Reach for SMF |
FAQ
1. What speeds does SFP28 support?
A: The SFP 28 optical transceiver has a transmission rate of 25 Gbps, using a LC connector.
2. How fast is 25GbE?
A: 25GbE provides a simpler path to Ethernet speeds of 50 Gbps, 100 Gbps and beyond. As the 25G technology matures, users can achieve a seamless operation between the major components within the data center network.
