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1.25G DWDM SFP

1.25G DWDM SFP 80KM LC Optical Transceiver

1.25G DWDM SFP 80KM LC Optical Transceiver

  • Product Model:

    ESDxx12-80D
  • Data Rate:

    1.25G
  • Wavelength:

    1528.77~1563.86nm
  • Distance:

    80KM
  • Connector:

    LC
  • Fiber Type:

    SM
  • DDM:

    YES
  • Product Origin:

    Made in China
  • Shipping Port:

    ShenZhen

  

  • Product Detail


1.25G DWDM SFP 80KM LC Optical Transceiver is an advanced, high-performance optical module engineered for long-haul, high-capacity communication in Dense Wavelength Division Multiplexing (DWDM) systems. Operating on precise ITU-T wavelength channels with narrow spacing, it enables the transmission of multiple high-speed data streams over a single fiber, significantly maximizing bandwidth capacity and fiber utilization. 
Supporting data rates of 1.25Gbps, this transceiver achieves an extended transmission distance of up to 80 kilometers over standard single-mode fiber, making it ideally suited for metropolitan area networks, regional backbone links, and large-scale telecommunications infrastructures requiring high channel density and long reach. 
Featuring a hot-pluggable SFP form factor and duplex LC connector interface, it ensures easy integration and compatibility with existing network equipment. With enhanced transmitter power, superior receiver sensitivity, and excellent temperature stability, this module delivers reliable performance in demanding environments, offering network operators a scalable and cost-efficient solution for building robust, future-proof optical transport networks.


Key Features


  • Wavelength selectable to C-band ITU-T grid wavelengths 
  • Suitable for use in 100GHz channel spacing DWDM systems 
  • DWDM SFP MSA Compliant 
  • Dual data-rate of 1.25Gbps/1.063Gbps operation 
  • Up to 2.67Gb/s data rate 
  • OC-24 Long Reach 80km 
  • Cold Start up Wavelength Compliance 
  • Low Power Dissipation <1.3W Maximum 
  • -5ºC to 70ºC Operating Case Temperature 
  • Diagnostic Performance Monitoring of module temperature, supply Voltages, laser bias current, transmit optical power, receive optical power, Laser temperature and TEC current 
  • Extended link budget with APD receiver technology RoHS compliant and lead free 
  • Interface: LC connector







SFP CWDM 20KM SFP CWDM 60KM SFP DWDM 80KM SFP DWDM 120KM SFP DWDM 160KM
1.25G
1.25G
1.25G
1.25G 1.25G
20KM
60KM
80KM
120KM
160KM
CWDM
CWDM
DWDM
DWDM
DWDM
LC
LC
LC LC
LC
SM
SM
SM
SM
SM
DDM
DDM
DDM
DDM
DDM
COM: 0°C ~70°C
EXT: -20°C ~85°C
IND: -40°C ~85°C

COM: 0°C ~70°C
EXT: -20°C ~85°C
IND: -40°C ~85°C

COM: 0°C ~70°C
EXT: -20°C ~85°C
IND: -40°C ~85°C

COM: 0°C ~70°C
EXT: -20°C ~85°C
IND: -40°C ~85°C

COM: 0°C ~70°C
EXT: -20°C ~85°C
IND: -40°C ~85°C



FAQ:


Q1: What is a 1.25G SFP transceiver?‌

A1: 1.25G SFP (Small Form-factor Pluggable) is a compact, hot-swappable optic module supporting 1.25Gbps speeds for fiber or copper networks, commonly used in Gigabit Ethernet and Fiber Channel applications.

Q2: What are the typical applications of 1.25G SFP?‌
A2: Gigabit Ethernet (1000BASE-SX/LX/ZX)‌
Fiber Channel (1G/2G/4G)‌
SDH/SONET networks‌

Q3: What is the maximum distance for 1.25G SFP LX?‌
A3: The ‌1000BASE-LX‌ variant supports up to ‌10km‌ over single-mode fiber (SMF), while ‌1000BASE-SX‌ reaches ‌550m‌ over multimode fiber (MMF).

Q4: What wavelengths do 1.25G SFP modules use?‌
A4: SX‌: 850nm (MMF); LX/ZX‌: 1310nm/1550nm (SMF)

Q5: How does a BIDI SFP differ from a standard SFP?‌
A5: Standard SFPs require ‌two fibers‌ (one for TX, one for RX), while BIDI SFPs use ‌one fiber‌ with wavelength-division duplexing (WDM).

Q6: How far can a 1.25G SFP ZX module transmit data?‌
A6: The ‌ZX variant‌ supports extended distances up to ‌80km over single-mode fiber‌, ideal for long-haul applications like telecom backbones.

Q7: Are 1.25G SFP modules compatible with industrial temperature ranges?‌
A7: Yes, many industrial-grade modules operate in ‌extreme temperatures from -40°C to 85°C‌, ensuring reliability in harsh environments like outdoor networks.

Q8: What is the role of Digital Diagnostics Monitoring (DDM/DOM) in 1.25G SFP?‌
A8: DDM/DOM provides real-time tracking of parameters like temperature and optical power, enabling proactive maintenance and fault detection for network stability.

Q9: Can 1.25G SFP modules connect to CWDM or DWDM systems?‌
A9: Yes, specialized ‌CWDM and DWDM variants‌ exist for wavelength division multiplexing, allowing efficient bandwidth usage in metro or data center networks.

Q10: Why choose BIDI over standard SFP for FTTH?‌
A10: BIDI SFPs ‌halve fiber usage‌, reducing infrastructure costs in passive optical networks (PON).


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Supporting 10.3125 Gbps data rates and 40-kilometer transmission distances, this transceiver complies with IEEE 802.3ae and SFP+ MSA standards.

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