Description
This product is a 25G SFP28 DWDM transceiver designed for optical communication compliant with 25G standard. Its high performance cooled DWDM EML transmitter and high sensitivity PIN receiver provide superior performance for 25G application up to 2km Links.
The product is designed with SFP28 form factor, which is the optical/electrical connection according to the SFP+ Multi-Source Agreement (MSA).
Features
● Hot-pluggable SFP28 form factor
● Supports 25Gb/s aggregate bit rate
● Transmitter: cooled DWDM EML TOSA
● Compliant to ITU-T 694.1
● Receiver: PIN ROSA
● Internal CDR circuits on both receiver and transmitter channels
● 1.5W maximum power dissipation
● Maximum link length of 2Km over SMF
● Duplex LC receptacle
● Single 3.3V power supply
● Case operating temperature
Commercial: 0 ~ +70℃
Industrial: -40 ~ +85℃
Applications
● 25GBASE-LR Ethernet
● CPRI Option 10
● Support 10G CPRI option 8 by CDR bypass
Absolute Maximum Ratings
|
Parameter |
Symbol |
Min |
Max |
Unit |
|
Supply Voltage |
Vcc |
-0.3 |
3.6 |
V |
|
Input Voltage |
Vin |
-0.3 |
Vcc+0.3 |
V |
|
Storage Temperature |
Ts |
-40 |
85 |
ºC |
|
Case Operating Temperature |
Tc |
0 |
70 |
ºC |
|
Humidity (non-condensing) |
Rh |
0 |
85 |
% |
Recommended Operating Conditions
|
Parameter |
Symbol |
Min |
Typical |
Max |
Unit |
|
Supply Voltage |
Vcc |
3.13 |
3.3 |
3.47 |
V |
|
Operating Case Temperature |
Tc |
0 |
70 |
ºC |
|
|
Data Rate Per Lane |
fd |
25.78125 |
Gb/s |
||
|
Humidity |
Rh |
0 |
85 |
% |
|
|
Power Dissipation |
Pm |
1.5 |
W |
Electrical Specifications
|
Parameter |
Symbol |
Min |
Typical |
Max |
Unit |
|
Differential Input Impedance |
Zin |
90 |
100 |
110 |
ohm |
|
Differential Output Impedance |
Zout |
90 |
100 |
110 |
ohm |
|
Differential Input Voltage Amplitude1 |
ΔVin |
300 |
1100 |
mVp-p |
|
|
Differential Output Voltage Amplitude2 |
ΔVout |
500 |
800 |
mVp-p |
|
|
Skew |
Sw |
300 |
ps |
||
|
Input Logic Level High |
VIH |
2.0 |
Vcc |
V |
|
|
Input Logic Level Low |
VIL |
0 |
0.8 |
V |
|
|
Output Logic Level High |
VOH |
Vcc-0.5 |
Vcc |
V |
|
|
Output Logic Level Low |
VOL |
0 |
0.4 |
V |
Note:
- Differential input voltage amplitude is measured between TxnP and TxnN.
- Differential output voltage amplitude is measured between RxnP and RxnN.
Optical Characteristics
|
Parameter |
Symbol |
Min |
Typical |
Max |
Unit |
|
Transmitter |
|||||
|
Optical Wavelength |
λc |
per ITU-T 694.1 |
nm |
||
|
Center Wavelength Deviation (End of Life) |
ld |
±100 |
pm |
||
|
Side-Mode Suppression Ratio |
SMSR |
25 |
dB |
||
|
Average Launch Power |
Pout |
-2 |
4 |
dBm |
|
|
Optical Modulation Amplitude |
OMA |
-2 |
dBm |
||
|
Extinction Ratio |
ER |
7 |
dB |
||
|
Average Launch Power of OFF Transmitter |
Poff |
-30 |
dB |
||
|
Rin20OMA |
-130 |
dB/HZ |
|||
|
Optical return loss tolerance |
ORL |
20 |
dB |
||
|
Receiver |
|||||
|
Center Wavelength |
λc |
1260 |
1600 |
nm |
|
|
Receiver Sensitivity in OMA1 |
RSoma |
-8 |
dBm |
||
|
Average Power at Receiver Input (each lane) |
Pin |
|
2 |
dBm |
|
|
Receiver Reflectance |
RR |
-26 |
dB |
||
|
LOS Assert |
LOSA |
-30 |
dBm |
||
|
LOS De-Assert |
LOSD |
-13 |
dBm |
||
|
LOS Hysteresis |
LOSH |
0.5 |
dB |
||
Note:BERLevel E×10-12
Mechanical Dimensions
Ordering Information
|
Part Number |
Product Description |
|
FTCS-Dxx25G-02D |
25G, SFP28 DWDM, 2km, 0ºC ~ +70ºC |
|
FTCS-Dxx25G-02DI |
25G, SFP28 DWDM, 2km, -40ºC ~ +85ºC |
C-band λc Wavelength Grid
|
ITU Channel Product Code |
Frequency(THz) |
Wavelength |
ITU Channel Product Code |
Frequency(THz) |
Wavelength |
|
17 |
191.7 |
1563.86 |
40 |
194.0 |
1545.32 |
|
18 |
191.8 |
1563.05 |
41 |
194.1 |
1544.53 |
|
19 |
191.9 |
1562.23 |
42 |
194.2 |
1543.73 |
|
20 |
192.0 |
1561.42 |
43 |
194.3 |
1542.94 |
|
21 |
192.1 |
1560.61 |
44 |
194.4 |
1542.14 |
|
22 |
192.2 |
1559.79 |
45 |
194.5 |
1541.35 |
|
23 |
192.3 |
1558.98 |
46 |
194.6 |
1540.56 |
|
24 |
192.4 |
1558.17 |
47 |
194.7 |
1539.77 |
|
25 |
192.5 |
1557.36 |
48 |
194.8 |
1538.98 |
|
26 |
192.6 |
1556.55 |
49 |
194.9 |
1538.19 |
|
27 |
192.7 |
1555.75 |
50 |
195.0 |
1537.40 |
|
28 |
192.8 |
1554.94 |
51 |
195.1 |
1536.61 |
|
29 |
192.9 |
1554.13 |
52 |
195.2 |
1535.82 |
|
30 |
193.0 |
1553.33 |
53 |
195.3 |
1535.04 |
|
31 |
193.1 |
1552.52 |
54 |
195.4 |
1534.25 |
|
32 |
193.2 |
1551.72 |
55 |
195.5 |
1533.47 |
|
33 |
193.3 |
1550.92 |
56 |
195.6 |
1532.68 |
|
34 |
193.4 |
1550.12 |
57 |
195.7 |
1531.90 |
|
35 |
193.5 |
1549.32 |
58 |
195.8 |
1531.12 |
|
36 |
193.6 |
1548.51 |
59 |
195.9 |
1530.33 |
|
37 |
193.7 |
1547.72 |
60 |
196.0 |
1529.55 |
|
38 |
193.8 |
1546.92 |
61 |
196.1 |
1528.77 |
|
39 |
193.9 |
1546.12 |
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.