Description
This product is a 25Gb/s transceiver module designed for optical communication compliant to Ethernet 25G ER Lite standard. Its high performance 25G application up to 30km/40km(with FEC) Links. The product is designed with form factor, optical/electrical connection and digital diagnostic interface according to the SFP+ Multi-Source Agreement (MSA).
Features
● Hot-pluggable SFP28 form factor
● Up to 30Km reach for G.652 SMF without FEC
● Up to 40Km reach for G.652 SMF with FEC
● Internal CDR on both Transmitter and Receiver channel
● Transmitter: cooled 25Gb/s 1310nm EML TOSA
● Receiver: 25Gb/s APD ROSA
● Single 3.3V power supply
● Power dissipation < 2W
● Commercial case temperature range: 0°C to +70°C
● Duplex LC receptacle
● Digital diagnostics functions are available via the I2C interface
● RoHS-6 compliant
Applications
● 25GBASE-ER Lite Ethernet
● CPRI/eCPRI Option 10
Absolute Maximum Ratings
|
Parameter |
Symbol |
Min |
Max |
Unit |
|
Supply Voltage |
Vcc |
0 |
3.6 |
V |
|
Operating Case Temperature |
Top |
0 |
+70 |
°C |
|
Storage Temperature |
Ts |
-40 |
+85 |
°C |
|
Operating Humidity |
- |
5 |
85 |
% |
|
Damage Threshold, each Lane |
THd |
-3.0 |
dBm |
Recommended Operating Conditions
|
Parameter |
Symbol |
Min |
Typical |
Max |
Unit |
|
Operating Case Temperature |
Tc |
0 |
+70 |
°C |
|
|
Power Supply Voltage |
Vcc |
3.13 |
3.3 |
3.47 |
V |
|
Power Supply Current |
Icc |
600 |
mA |
||
|
Data Rate, each lane |
25.78125 |
Gb/s |
|||
|
Data Rate Accuracy |
-100 |
100 |
ppm |
||
|
Link distance with G.652(without FEC) |
30 |
Km |
|||
|
Link distance with G.652(with FEC) |
40 |
Km |
Optical and Electrical Characteristics
|
Parameter |
Symbol |
Min |
Typical |
Max |
Unit |
Notes |
||
|
Transmitter |
||||||||
|
Data rate |
BR |
25.78 |
Gbps |
|||||
|
SDD11 |
TP1 |
CEI-28G-VSR Equation 13-19 |
dB |
|||||
|
SDC11,SCD11 |
TP1 |
CEI-28G-VSR Equation 13-20 |
dB |
|||||
|
Stressed Input Test |
TP1a |
CEI-28G-VSR Section 13.3.11.2.1 |
||||||
|
Differential data input swing |
VIN,PP |
150 |
1100 |
mV |
||||
|
Input Differential Impedance |
ZIN |
90 |
100 |
110 |
Ω |
|||
|
Centre Wavelength |
λc |
1295 |
1310 |
1325 |
nm |
|||
|
Spectral Width (-20dB) |
σ |
1 |
nm |
|||||
|
Side Mode Suppression Ratio |
SMSR |
30 |
dB |
|||||
|
Average Output Power |
Pavg |
-3 |
6 |
dBm |
||||
|
Optical Modulation Amplitude |
0 |
4 |
dBm |
|||||
|
Extinction Ratio |
ER |
7 |
dB |
|||||
|
Transmitter and dispersion penalty |
2.7 |
dB |
||||||
|
Rin20OMA |
-130 |
dB/HZ |
||||||
|
Optical return loss tolerance |
20 |
dB |
||||||
|
Transmitter reflectance |
-26 |
dB |
||||||
|
Average Launch Power OFF transmitter |
Poff |
-30 |
dBm |
|||||
|
Transmitter eye definition {X1,X2,X3,Y1,Y2,Y3}Hit ratio 5E-5 |
{0.31,0.4,0.45,0.34,0.38,0.4} |
1 |
||||||
|
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 |
||||||||
|
Data rate |
BR |
25.78 |
Gbps |
|||||
|
SDD22 |
TP4 |
CEI-28G-VSR Equation13-19 |
dB |
|||||
|
SDC22, SCD22 |
TP4 |
CEI-28G-VSR Equation 13-21 |
dB |
|||||
|
SCC22 |
TP4 |
-2 |
dB |
|||||
|
Transition Time,20% to 80% |
TP4 |
9.5 |
ps |
|||||
|
Vertical Eye Closure(VEC) |
TP4 |
5.5 |
dB |
|||||
|
Eye Width at E-15 probability |
EW15 |
0.57 |
UI |
|||||
|
Eye Height at E-15 probability |
EH15 |
228 |
mV |
|||||
|
Average Receive Power |
-23 |
-5 |
dBm |
|||||
|
Unstressed Receiver Sensitivity (OMA) |
SEN |
-19 |
dBm |
BER=5E-5 |
||||
|
Receiver Reflectance |
-26 |
dB |
||||||
|
LOS De-Assert |
LOSD |
-26 |
dBm |
|||||
|
LOS Assert |
LOSA |
-24 |
dBm |
|||||
|
LOS Hysteresis |
0.5 |
dB |
||||||
|
Differential data output swing |
Vout,PP |
300 |
900 |
mV |
||||
|
LOS |
High |
2.0 |
Vcc |
V |
||||
|
Low |
0.8 |
V |
||||||
Notes 1: Transmitter eye compliant to IEEE 802.3cc 25G-ER;
Mechanical Dimensions
Ordering information
|
Part Number |
Product Description |
|
FTCS-1325G-40D |
25Gbps, 1310nm; SFP28, 30Km/40km(FEC), DDM 0ºC ~ +70ºC |
|
FTCS-1325G-40DI |
25Gbps, 1310nm; SFP28, 30Km/40km(FEC), DDM -40ºC ~ +85ºC |
北亿纤通 | F-tone Networks
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Important Notice
Performance figures, data and any illustrative material provided in this data sheet are typical and must be specifically confirmed in writing by F-tone Networks before they become applicable to any particular order or contract. In accordance with the F-tone Networks policy of continuous improvement specifications may change without notice.
The publication of information in this data sheet does not imply freedom from patent or other protective rights of F-tone Networks or others. Further details are available from any F-tone Networks sales representative.