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knewlink@knewlink.cn
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4th Floor, Building 2, Nengli Science and Technology Innovation Park, No. 999 Jinzha Road, Fengxian District, Shanghai
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Shanghai Newlink Communication Technology Co., Ltd
1.25G Gigabit SFP Optical Module
NegotiableUpdate on 05/24
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Overview
1.25G Gigabit SFP Optical Module
Product Details
overview
The gigabit SFP optical transceiver module is suitable for fiber optic communication applications with speeds of 1.25G and below. The module integrates the receiving and sending circuits, using a fully metal shell and LC port with plastic tail plugs. It has the function of "hot plugging", which means that the module can be plugged in and unplugged from the device without power supply, suitable for switching environments in metropolitan area networks. The gigabit SFP optical transceiver module uses a+3.3V power supply, with input/output signals at LVPECL level. The product follows the MSN (Multi Source Agreement) of SFP protocol.
Technical Parameter
| working conditions | |||||
|
parameter |
symbol |
minimum |
typical |
maximum |
unit |
|
ambient temperature |
Top |
-40 |
+85 |
℃ |
|
|
supply voltage |
Vcc |
3.14 |
3.3 |
3.47 |
V |
|
data rate |
1250 |
Mbps |
|||
|
Technical Parameter |
|||||
|
parameter |
symbol | minimum | typical | maximum | unit |
|
Working current |
Icc |
250 |
mA |
||
|
differential input voltage |
VD |
500 |
1500 |
mV |
|
|
Center wavelength range |
λc |
1290 |
1310 |
1330 |
nm |
| Transmitting optical power |
Po |
-9 |
-3 |
dBm |
|
| extinction ratio |
EX |
8.2 |
dB |
||
|
Optical rise time |
TR |
2.0 |
ns |
||
| Optical descent time |
TF |
2.0 |
ns |
||
|
receiver sensitivity |
S |
-24 |
dBm |
||
|
Overload input power |
Pin |
-3 |
dBm |
||
|
Signal detection failure |
PD |
-35.0 |
dBm |
||
|
Effective signal detection |
PA |
-26.0 |
|||
ordering information
| Ordering Information | ||
| SFP-GE-T | Gigabit optical to RJ45 Gigabit electrical | |
| NLKM3825-44-20 | SFP hot swappable dual fiber module, single-mode 1310nm, 1.25Gb/s, 3.3V, LC interface, LVPECL level, communication distance 20km. | |
| NLKM3825-54-40 | SFP hot swappable dual fiber module, single-mode 1310nm, 1.25Gb/s, 3.3V, LC interface, LVPECL level, communication distance 40km. | |
| NLKM1825 | SFP hot swappable dual fiber module, multimode 850nm, 1.25Gb/s, 3.3V, LC interface, LVPECL level, communication distance 500m. | |
| NLKB3825-44-20 | SFP hot swappable single fiber module, single-mode 1310nm, 1.25Gb/s, 3.3V, LC interface, LVPECL level, communication distance 20km. | Need to be paired for use |
| NLKB4825-44-20 | SFP hot swappable single fiber module, single-mode 1550nm, 1.25Gb/s, 3.3V, LC interface, LVPECL level, communication distance 20km. | |
| NLKB3825-54-40 | SFP hot swappable single fiber module, single-mode 1310nm, 1.25Gb/s, 3.3V, LC interface, LVPECL level, communication distance 40km. | Need to be paired for use |
| NLKB4825-54-40 | SFP hot swappable single fiber module, single-mode 1550nm, 1.25Gb/s, 3.3V, LC interface, LVPECL level, communication distance 40km. | |
Data Download
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