SFP 1.25G Bidi 20km SC

SFP 1.25G Bidi 20km SC

SFP overview:

The SFP 1.25G BIDI 20KM 1310TX/1550RX SC is a specific type of Small Form-factor Pluggable transceiver module designed for use in data communication and telecommunications equipment.

Here's what each part of the description means:

SFP: Small Form-factor Pluggable. This indicates the form factor and interface type of the transceiver module. SFP modules are hot-pluggable and compact, widely used in networking equipment.

1.25G: This denotes the data transfer rate supported by the transceiver, which is 1.25 Gigabits per second.

BIDI: Short for bidirectional. This indicates that the transceiver is capable of transmitting and receiving data over a single fiber optic strand by using different wavelengths for upstream and downstream traffic.

20KM: Specifies the maximum distance over which the transceiver can reliably transmit data, which in this case is 20 kilometers.

1310TX/1550RX: These numbers represent the wavelengths used for transmitting (TX) and receiving (RX) data. Specifically, data is transmitted at 1310 nanometers (TX) and received at 1550 nanometers (RX).

SC: Refers to the type of optical connector used with this transceiver. SC connectors are commonly used in fiber optic networks, known for their push-pull coupling mechanism and easy installation.

Applications for SFP 1.25G

  •  Switch to Switch Interface
  • Gigabit Ethernet
  • Switched Backplane Applications
  • Router/Server Interface
  • Other Optical Links

Features of SFP 1.25G

  •  Up to 1.25Gb/s data links
  •  1310nm FP laser transmitter and PIN photodetector
  •  Up to 20km on 9/125µm SMF
  •  Hot-pluggable SFP footprint
  •  BIDI LC/UPC type pluggable optical interface
  •  Low power dissipation
  • Metal enclosure, for lower EMI
  •  RoHS compliant and lead-free
  •  Support Digital Diagnostic Monitoring interface
  • Single +3.3V power supply
  •  Compliant with SFF-8472
  • Case operating temperature
  • Commercial: 0 ~ +70oC
  • Extended: -10 ~ +80oC
  • Industrial: -40 ~ +85oC

Port Information of SFP 1.25G 20KM SC:

Part Number Data Rate (Gb/s) Wavelength (nm) Transmission Distance (km) Temperature (°C) (Operating Case)
HTSF-B1G3149LC 1.25 1310Tx/1550Rx 20km SMF 0~70 (commercial)
HTSF-B1G3149LE 1.25 1310Tx/1550Rx 20km SMF -10~80 (Extended)
HTSF-B1G3149LI 1.25 1310Tx/1550Rx 20km SMF -40~85 (Industrial)

1.Absolute Maximum Ratings FOR SFP 1.25G 20KM SC
It has to be noted that the operation in excess of any individual absolute maximum ratings
might cause permanent damage to this module.

Parameter Symbol Min Max Unit Notes
Storage Temperature TS -40 85 °C  
Power Supply Voltage VCC -0.3 3.6 V  
Relative Humidity RH 5 95 %  
Damage Threshold THd   5 dBm

2. Recommended Operating Conditions and Power Supply Requirements for SFP 1.25G 2OKM SC

Parameter Symbol Min Typical Max Unit Notes
Operating Case Temperature TOP 0 70 °C commercial  
    -10 80   extended  
    -40 85   industrial  
Power Supply Voltage VCC 3.135 3.3 3.465 V  
Data Rate     1.25   Gb/s  
Control Input Voltage High     2 x Vcc   V  
Control Input Voltage Low   0 0.8   V  
Link Distance (SMF) D 20     km 9/125um
General Description          

Small Form Factor Pluggable (SFP) transceivers are compatible with the Small Form Factor Pluggable Multi-Sourcing Agreement (MSA), The transceiver consists of five sections: the LD driver, the limiting amplifier, the digital diagnostic monitor, the FP laser and the PIN photo-detector .The module data link up to 20km in 9/125um single mode fiber.The optical output can be disabled by a TTL logic high-level input of Tx Disable, and the
system also can disable the module via I2C. Tx Fault is provided to indicate that degradation of the laser. Loss of signal (LOS) output is provided to indicate the loss of an input opticalsignal of receiver or the link status with partner. The system can also get the LOS (or Link)/Disable/Fault information via I2C register access.

In summary, the SFP 1.25G BIDI 20KM 1310TX/1550RX SC is a hot-pluggable transceiver module capable of bidirectional communication at a data rate of 1.25 Gigabits per second over a single fiber optic strand, with a maximum transmission distance of 20 kilometers, and utilizing SC optical connectors.

 

 

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