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1.25G SFP Module Singlemode 1310nm/1550nm 20km Simplex Optical Transceiver

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1.25G SFP Module Singlemode 1310nm/1550nm 20km Simplex Optical Transceiver
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Features
Specifications
Product Name: Gigabit SFP Fiber Transceiver
Condition: New
Brand Name: Olycom, Support OEM
Power Supply: Single +3.3V
Maximum Power: <1W
Working Temp: 0 ℃ ~ + 70 ℃
Highlight:

SMF 1.25 G SFP Module

,

LC Connector 1.25 G SFP Module

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20km Single Fiber Transceiver
Basic Infomation
Place of Origin: Shenzhen, China
Brand Name: Olycom
Certification: CE RoHS FCC
Model Number: OSBL1G20D-35
Document: IM-WS080GE.pdf
Payment & Shipping Terms
Packaging Details: 1 piece in 1 carton. 0.2KG/pcs
Delivery Time: 3~7 working days
Payment Terms: T/T, Paypal
Supply Ability: 3000Pcs per month
Product Description

Cisco Compliant 20KM 1.25G SFP Module

 

Features

 

  • Up to 1.25Gb/s Data Links
  • Hot-Pluggable
  • Single LC connector
  • Up to 20 km on 9/125μm SMF
  • 1550nm DFB laser transmitter
  • 1310nm PIN photo-detector
  • Single +3.3V Power Supply
  • Monitoring Interface Compliant with SFF-8472
  • Maximum Power <1W
  • Industrial /Extended/ Commercial operating temperature range: -40°C to 85°C/-5°C to 85°C/-0°C to 70°C Version available
  • RoHS-compliant and Lead Free

 

Introduction

 

  • OLYCOM's OSBL1G20D-53 Transceivers are an unbeatable combination of high-performance functionality and affordability. With a single LC optics interface, they are fully compliant with the Small Form Factor Pluggable Multi-Sourcing Agreement (MSA).
  • Their digital diagnostics capabilities are easily accessible via the 2-wire serial bus as specified in SFF-8472.
  • The receiver section is designed with a PIN receiver, while the transmitter utilizes a 1550 nm DFB laser.
  • With a remarkable up to 14dB link budget, this module excels at 1000Base-LX Ethernet 20km applications without fail.

 

Application

 

  • 1000Base-LX Ethernet

  • Metro/Access Networks

  • 1×Fibre Channel
  • Other Optical Links

 

Absolute Maximum Ratings

 

Parameter Symbol Min. Typical Max. Unit
Storage Temperature TS -40   +85 °C
Supply Voltage VCC -0.5   4 V
Relative Humidity RH 0   85 %
 

Recommended Operating Environment

 

Parameter Symbol Min. Typical Max. Unit
Case operating Temperature Industrial TC -40   85 °C
Extended -5   85 °C
Commercial 0   +70 °C
Supply Voltage VCC 3.135   3.465 V
Supply Current Icc     300 mA
Inrush Current Isurge     Icc+30 mA
Maximum Power Pmax     1 W
 

Electrical Characteristics

 

Parameter Symbol Min. Typical Max. Unit Note
Transmitter Section:  
Input differential impedance Rin 90 100 110 W 1
Single ended data input swing Vin PP 250   1200 mVp-p  
Transmit Disable Voltage VD Vcc – 1.3   Vcc V 2
Transmit Enable Voltage VEN Vee   Vee+ 0.8 V  
Transmit Disable Assert Time Tdessert     10 us  
Receiver Section:  
Single ended data output swing Vout,pp 300   800 mv 3
LOS Fault Vlosfault Vcc – 0.5   VCC_host V 5
LOS Normal Vlos norm Vee   Vee+0.5 V 5
Power Supply Rejection PSR 100     mVpp 6
 
Optical Parameters
 
Parameter Symbol Min. Typical Max. Unit Note
Transmitter Section:
Center Wavelength λc 1530 1550 1570 nm  
Spectral Width σ     1 nm  
Sidemode Supression ratio SSRmin 30     dB  
Optical Output Power Pout -9   -3 dBm 1
Extinction Ratio ER 9     dB  
Optical Rise/Fall Time tr / tf     260 ps 2
Relative Intensity Noise RIN     -120 dB/Hz  
Total Jitter Contribution TX Δ TJ     0.284 UI 3
Eye Mask for Optical Output Compliant with IEEE802.3 z (class 1 laser safety)  
Receiver Section:  
Optical Input Wavelength λc 1270 1310 1600 nm  
Receiver Overload Pol -3     dBm 4
RX Sensitivity Sen     -24 dBm 4
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   1.25   Gb/s  
Bit Error Rate BER     10-12    
Max. Supported Link Length on 9/125μm SMF@1.25Gb/s LMAX   20   km  
Total System Budget LB 14     dB  
 

Pin Assignment

 

1.25G SFP Module Singlemode 1310nm/1550nm 20km Simplex Optical Transceiver 0

1.25G SFP Module Singlemode 1310nm/1550nm 20km Simplex Optical Transceiver 1

1.25G SFP Module Singlemode 1310nm/1550nm 20km Simplex Optical Transceiver 2

Ratings & Review

Overall Rating

5.0
Based on 50 reviews for this supplier

Rating Snapshot

The following is the distribution of all ratings
5 stars
100%
4 stars
0%
3 stars
0%
2 stars
0%
1 stars
0%

All Reviews

D
Daniel
United Kingdom Apr 1.2026
Helpful (5)
Excellent product, connects my outdoor PTZ cameras, it works well, also supports poe management, it is very convenient!
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