1.25Gbps SFP Single-mode Transceiver

 

 

 




SKU: LRGP1312-20ATL
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Product Description
Type: LR-LINK 1.25Gbps SFP Single-mode Transceiver
Features:
  • Single power supply +3.3V
  • Hot-pluggable design
  • Up to 1.25 Gb/s bi-directional data links
  • 1310nm PF laser transmitter
  • Conforms to IEEE 802.3 Gigabit Ethernet and 1000BASE-SX standards, complies with EN60825-1
  • RoHS compliant
  • The transmission distance can reach 20km on 9/125um single-mode fiber
  • Working temperature range: Class C 0°C~70°C; Class I -40°C~85°C

Overview:

LR-LINK LRGP1312-20ATLD Gigabit SFP single-mode ethernet fiber optic module has a bidirectional data transmission capability
of up to 1.25Gb/s and is suitable for 1.25Gb/s Ethernet. It complies with the Ethernet IEEE 802.3 standard and Fiber Channel FC-PI
Rev.5.0, providing a fast and reliable interface for GE/FC applications.
As a small pluggable optical transceiver module, LRGP1312-20ATLD complies with the SFF-8472 standard and implements digital
diagnostic functions through a 2-wire serial bus.
Application
1.25Gb/s Gigabit Ethernet
1.063Gb/s Fiber Channel

Specifications:

Absolute Maximum Ratings
Parameter Symbol Min. Typical Max. Unit
Data rate DR   1.25   Gb/s
DR   1.063   Gb/s
BER BER     10−12  
Operating temperature TC 0   70 ◦C
−40   85 ◦C
−40   85 ◦C
Storage temperature TSTO −40   85 ◦C
Working current ICC   175 300 mA
Operating voltage VCC 3.14 3.3 3.46 V
Maximum voltage VMAX 0.5   4 V
Transmitter
Parameter Symbol Min. Typical Max. Unit
Transmitted optical power P                 −9.5   −3 dBm
Optical center wavelength λC 1270   1355 nm
Extinction Ratio @1.25Gb/s ER 9     dB
Spectral width (RMS) Δλ     3 nm
Optical signal rise/fall time (20%-80%) tr/tf   150 300 ps
Receiver
Parameter Symbol Min. Typical Max. Unit
Receiver overload POL 0     dBm
Optical center wavelength λ C 1260   1600 nm
Receive Sensitivity RX SEN1     −24 dBm
Return loss ORL 12     dB
Receiver 3dB upper cutoff frequency       1500 MHz
LOS signal active LOSA −35     dBm
LOS signal failure LOSD     −26 dBm
LOS signal hysteresis interval LOSH 0.5     dB
Transmitter
Parameter Symbol Min. Typical Max. Unit
Differential input impedance RIN   100   Ω
Differential input swing VIN PP 250   1200 mV
Transmitter off voltage VD VCC-1.3   VCC V
Transmitter enable voltage VEN VEE   VEE+0.8 V
Transmitter off wait time       10 us
Receiver
Parameter Symbol Min. Typical Max. Unit
Differential output swing VOUT PP 300 400 800 mV
Output signal rise time / fall time (20%-80%) tr/tf     300 ps
LOS signal active VLOS A VCC-0.5   VCC HOST V
LOS signal failure VLOS D VEE   VEE+0.5 V

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