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GPON OLT SFP 1490nmTx/1310nmRx 2.5GTx/1.25GRx SC SM Class B+ 20km DDM
  • GPON OLT SFP 1490nmTx/1310nmRx 2.5GTx/1.25GRx SC SM Class B+ 20km DDM
  • GPON OLT SFP 1490nmTx/1310nmRx 2.5GTx/1.25GRx SC SM Class B+ 20km DDM
  • GPON OLT SFP 1490nmTx/1310nmRx 2.5GTx/1.25GRx SC SM Class B+ 20km DDM


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GPON OLT SFP 1490nmTx/1310nmRx 2.5GTx/1.25GRx SC SM Class B+ 20km DDM

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Product Code: CZGT-P4321-SB2DB
Cozlink Price: US$47.67
Shipping Costs: US$27.84 to United States Via FEDEX-IP
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  • Description
  • Transaction Records
ManufacturerCozlinkPlace of OriginShenzhen, China ModelCZGT-P4321-SB2DB
Data Rate2.5G/1.25GFiber ModeSingle Mode Fiber (SMF)Types of InterfaceSC
Types of LaserDFB-LDOperating TemperatureStandard 0~70°COperating Humidity0%~90% RH (no condensing)
Transmission distance20kmModes of CommunicationsSimplexWavelength1490nm TX/1310nm RX
Types of MultiplexingBIDI WDMReceiver Sensitivity<-28dBmExtinction Ratio>10dB
Saturated Optical Power-12dBmForm FactorGPON SFPWarranty1-3 Years
Power Consumption<1.5WWeight 0.03kgPower Supply+3.3V
ConditionNew Hot Pluggable Times200 Average Output Power1.5~5dBm

The CZGT-P4321-SB2DB transceiver is the high performance module for single fiber by using 1490nm continuous-mode transmitter and 1310nm burst-mode receiver. It is optical line terminal (OLT) for ITU-T G984.2. The optical transceiver is compliant with the Small Form- Factor Pluggable (SFP) Multi-Source Agreement (MSA).The transmitter section uses a 1490nm DFB LD with automatic power control (APC) function and temperature compensation circuitry to ensure stable extinction ratio overall operating temperature range. And it is Class I laser compliant IEC825 and CDRH standards. The receiver has a hermetically packaged burst-mode APD-TIA (trans-impedance amplifier) pre-amplifier and a burst-mode limiting amplifier with LVPECL compatible differential outputs.The receiver also includes the function of burst mode signal detect output and fast RSSI output which is enabled by a trigger. When the burst optical power is on, the receiver outputs high level; when the burst optical power is off, the receiver outputs low level. Fast RSSI function can satisfy more severe timing demand to monitor the power from any ONU.

Product Specifications

  • Single Fiber Transceiver with single mode SC receptacle
  • 1490nm continuous-mode transmitter with DFB laser
  • 1310nm burst-mode receiver with APD-TIA
  • Single 3.3V power supply
  • Reset burst-mode receiver design
  • Burst mode signal detect output which is LVTTL compatible
  • Burst mode received signal strength indication (RSSI) output
  • 20Km Reach 28dB link budget
  • Complies with ITU-T G984.2 Class B+
  • Digital diagnostic interface compliant with SFF-8472 Rev 9.4
  • Complies with RoHS directive
  • Operating case temperature: Standard: 0 to +70°C


Gigabit Passive Optical Networks (G-PON) – OLT side

Packaging for Transceiver
  • Packaging for Transceiver
  • Antistatic bag
  • Packed on pallets in a box (Default Customer Options)
  • Specific labels as request
  • Separate white box for each transceiver
  • 10pcs/20pcs each package; 10 units/ carton
International Authoritative Certification

Compliance with the international ISO9001, CE, FCC, RoHS standards.Cozlink strict implementation of standardized management and control of the design, development, production, installation and service.

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