D-net`s Optical Transceiver Module Service
● Compatibility Assistance: D-NET offers compatibility services to ensure optical modules are compatible with equipment from leading manufacturers.
● Personalized Services: D-NET provides OEM customization options for its products. Upon request, customers can have colored logo labels tailored to their needs.
● Standard Delivery Period: 3 Days
● Extensive Shipping Solutions: D-NET collaborates with highly reputable courier companies such as SF, FedEx, DHL, UPS, and others to ensure reliable shipping services.
Features
● Operating data-rate of 1.25Gbps
● Features an 18-wavelength CWDM DFB LD Transmitter ranging from
● 1270nm to 1610nm, with a step of 40nm
● Complies with the SFP MSA and SFF-8472 standards
● Compatible with SONET OC-24-LR-1 specifications
● RoHS compliant
● Powered by a +3.3V single power supply
● Hot-Pluggable SFP footprint with a Duplex LC connector
● Operating case temperature range:
● Standard: 0°C to +70°C
Applications
● Gigabit Ethernet
● Fiber Channel Switch Infrastructure
● Router/Server interface
● Other optical transmission systems
Product Details
Equipped with a 20-pin SFP connector, this module supports hot-plug functionality. It is specifically designed for use with single-mode fiber. The receiver section incorporates an integrated InGaAs detector preamplifier (IDP), mounted within an optical header, along with a limiting post-amplifier IC.
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Absolute Maximum Ratings
|
Parameter |
Symbol |
Min. |
Typical |
Max. |
Unit |
|
Storage Temperature |
TS |
-40 |
+85 |
°C |
|
|
Supply Voltage |
VCC |
-0.5 |
3.6 |
V |
|
|
Relative Humidity |
RH |
0 |
90 |
% |
Recommended Operating Environment
|
Parameter |
Symbol |
Min. |
Typical |
Max. |
Unit |
|
Case operating Temperature |
Tc |
0 |
+70 |
°C |
|
|
Supply Voltage |
VCC |
3.15 |
3.45 |
V |
|
|
Supply Current |
Icc |
300 |
mA |
||
|
Data rate |
GBE |
1.25 |
Gbps |
||
|
FC |
1.063 |
Gbps |
Electrical Characteristics
(TOP =0 to 70°C, VCC = 3.135 to 3.465 Volts)
|
Parameter |
Symbol |
Min. |
Typical |
Max. |
Unit |
Note |
|
|
Transmitter Section |
|||||||
|
Input differential impedance |
Rin |
85 |
100 |
115 |
Ω |
|
|
|
Single ended data input swing |
Vin PP |
400 |
2000 |
mVp-p |
|||
|
Transmit Disable Voltage |
VD |
2.0 |
Vcc |
V |
|||
|
Transmit Enable Voltage |
VEN |
0 |
0.8 |
V |
|||
|
Tx Fault |
Fault |
Tx_f |
2.0 |
V |
|||
|
Normal |
Tx_n |
0 |
V |
||||
|
Receiver Section |
|||||||
|
Single ended data output swing |
Vout,pp |
370 |
1800 |
mv |
|||
|
LOS Fault |
Vlosfault |
2 |
Vcc |
V |
|||
|
LOS Normal |
Vlos norm |
0 |
0.8 |
V |
|||
Optical Parameters
(TOP =0 to 70°C, VCC = 3.135 to 3.465 Volts)
|
Parameter |
Symbol |
Min. |
Typical |
Max. |
Unit |
Note |
|
Transmitter Section |
||||||
|
Center Wavelength |
λc |
λ-6 |
λ |
λ+6.5 |
nm |
|
|
Spectral Width(-20dB) |
△λ |
1 |
nm |
|||
|
Side Mode Suppression Ratio |
SMSR |
30 |
dB |
|||
|
Optical Output Power |
Pout |
-5 |
0 |
dBm |
1 |
|
|
Optical Rise/Fall Time |
tr / tf |
260 |
ps |
2 |
||
|
Extinction Ratio |
ER |
8.2 |
dB |
|||
|
Eye Mask for Optical Output |
Compliant with IEEE802.3z(class 1 laser safety) |
|||||
|
Receiver Section |
|
|||||
|
Optical Input Wavelength |
λc |
1260 |
1620 |
nm |
||
|
Receiver Overload |
Pol |
-8 |
dBm |
3 |
||
|
RX Sensitivity |
Sen |
-24 |
dBm |
3 |
||
|
RX_LOS Assert |
LOS A |
-40 |
dBm |
|||
|
RX_LOS De-assert |
LOS D |
-25 |
dBm |
|||
|
RX_LOS Hysteresis |
LOS H |
0.5 |
dB |
|||
|
General Specifications |
||||||
|
Data Rate |
BR |
1.063/1.25 |
Gb/s |
|||
|
Bit Error Rate |
BER |
10-12 |
||||
|
Max. Supported Link Length on 9/125μm SMF@1.25Gb/s |
LMAX |
40 |
km |
|||
|
Total System Budget |
LB |
21 |
dB |
|||
Note
1. The optical power is launched into SMF.
2. 20-80%.
3. Measured with PRBS 27-1 at 10-12 BER
Ordering Information
|
Part Number |
Description |
|
SFP-1GC40-27 |
1.25Gb/s 40km CWDM SFP Transceiver Hot Pluggable, Duplex LC, +3.3V, 1270nm, CWDM DFB, Single-mode, DDM |
FAQ
1. What is the distance of CWDM SFP 1470?
A: The SFP-1GC40-27 from D-NET has a maximum transmission distance of 40 kilometers and supports a data rate of 1.25 Gbps.
2. What is compatible with 1.25 g SFP?
A: 1.25G-SFP-550D SFP Transceiver is fully compliant with SFP MSA and SFF-8472. Therefore, the 1.25G optical module is compatible with the vast majority of network devices.
3. How do I know if a SFP module is compatible?
A: (1) The connector type, such as LC, SC.
(2) The mode (single mode or multi-mode).
(3) The wavelength, such as 850 nm, 1310 nm, or 1550 nm.
(4) The DDM support.
(5) The speed, such as 1.25Gbps.
